[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.15"]
[Round "9"]
[White "Petersen, Marcel"]
[Black "Williams, Simon Kim"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2185"]
[BlackElo "2451"]
[PlyCount "223"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 d5 4. exd5 exd5 5. d4 cxd4 6. Nxd4 Nc6 7. Bg2 Bc5 8. c3 Nf6 9. 0-0 0-0 10. Nb3 Bb6 11. N1d2 Bg4 12. Nf3 Qd7 13. Re1 Rfe8 14. Bf4 Qf5 15. Nfd4 Rxe1+ 16. Qxe1 Qh5 17. Qd2 Ne4 18. Qd3 g5 19. Be3 Ne5 20. Qf1 Re8 21. Re1 Bd7 22. f3 Nf6 23. Bxg5 Qxg5 24. f4 Qh5 25. Rxe5 Rxe5 26. fxe5 Ng4 27. h3 Ne3 28. Qf3 Qxe5 29. Qf4 Qxf4 30. gxf4 a5 31. Kh2 Bc7 32. Kg3 Nxg2 33. Kxg2 b6 34. Kg3 Kg7 35. Nc1 Kf6 36. Nd3 Bd6 37. Nf2 h5 38. Nd3 Bc8 39. Nc6 Kf5 40. Kf3 f6 41. Nd4+ Kg6 42. Kg3 Ba6 43. Ne1 h4+ 44. Kg4 f5+ 45. Kf3 Bf1 46. Nec2 Bd3 47. Ke3 Be4 48. Ne1 Bc5 49. Nef3 Kh5 50. Ne1 b5 51. a3 b4 52. axb4 axb4 53. Nd3 bxc3 54. bxc3 Bb6 55. Ne1 Bh1 56. Kd3 Bc7 57. Ke3 Bb6 58. Kd3 Bc5 59. Ke3 Ba3 60. Kd2 Be4 61. Nef3 Be7 62. Ke3 Kg6 63. Nc6 Bf6 64. Nce5+ Kh5 65. Ne1 Bh1 66. Kd3 Bd8 67. Nc6 Bf6 68. Ne5 Kh6 69. Ke3 Kg7 70. Kd3 Bd8 71. Nc6 Bb6 72. Nd4 Kf7 73. Kd2 Kf6 74. Kd3 Bd8 75. Ke3 Ba5 76. Kd2 Bd8 77. Ke3 Be4 78. Nef3 Kf7 79. Ng5+ Kg6 80. Ndf3 Bb6+ 81. Ke2 Kh5 82. Nd4 Bg2 83. Kf2 Be4 84. Ke2 Bc5 85. Ke3 Bh1 86. Ke2 Be7 87. Ndf3 Bf6 88. Kd3 Bg2 89. Kd2 Bh8 90. Nd4 Bxd4 91. cxd4 Bxh3 92. Nxh3 Kg4 93. Nf2+ Kf3 94. Ke1 Kg2 95. Nd1 h3 96. Ne3+ Kf3 97. Nf1 Kg2 98. Ne3+ Kg3 99. Nf1+ Kf3 100. Nh2+ Ke3 101. Nf1+ Kxd4 102. Kf2 Kd3 103. Nh2 d4 104. Nf3 Ke4 105. Kg3 d3 106. Nd2+ Ke3 107. Nc4+ Ke2 108. Kxh3 d2 109. Nxd2 Kxd2 110. Kh2 Ke3 111. Kg3 Ke4 112. Kg2 1/2-1/2

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.14"]
[Round "8"]
[White "Kunin, Vitaly L"]
[Black "Petersen, Marcel"]
[Result "1/2-1/2"]
[ECO "A20"]
[WhiteElo "2522"]
[BlackElo "2185"]
[PlyCount "125"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. g3 e5 2. c4 Nf6 3. Bg2 c6 4. d4 exd4 5. Qxd4 d5 6. cxd5 cxd5 7. Nf3 Nc6 8. Qa4 Bc5 9. 0-0 Qb6 10. Ne5 0-0 11. Nd3 Be7 12. Bg5 Bf5 13. Nc3 Bxd3 14. exd3 Qxb2 15. Rfc1 Qb4 16. Rab1 Qxa4 17. Nxa4 Na5 18. Bxf6 Bxf6 19. Bxd5 Rac8 20. Rxc8 Rxc8 21. Bxb7 Nxb7 22. Rxb7 g6 23. Rxa7 Rc2 24. Rd7 Rxa2 25. Nb6 Kf8 26. Nc4 h5 27. h3 Rc2 28. Kg2 Ke8 29. Rc7 Kf8 30. Rd7 Ke8 31. Rb7 Kf8 32. Ne3 Rd2 33. Rd7 Ke8 34. Rd5 Ke7 35. Nc4 Rc2 36. Kf3 Ke6 37. Rd6+ Ke7 38. Rd5 Ke6 39. Rd6+ Ke7 40. Ra6 Bd4 41. Ne3 Rd2 42. Ke4 Bxe3 43. Kxe3 Rb2 44. h4 Rc2 45. Rb6 Ra2 46. Rb3 Ke6 47. Rb4 Rc2 48. Re4+ Kd6 49. Rc4 Ra2 50. Rc1 Rb2 51. Rd1 Kd5 52. Rd2 Rb7 53. Ra2 Re7+ 54. Kf4 Kd4 55. Kg5 Re5+ 56. Kh6 Rf5 57. Kg7 Kxd3 58. Ra7 Ke2 59. Rxf7 Kxf2 60. Rxf5+ gxf5 61. Kg6 Kxg3 62. Kxf5 Kxh4 63. Kf4 1/2-1/2

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.13"]
[Round "6"]
[White "Benavente, Christian"]
[Black "Petersen, Marcel"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "1938"]
[BlackElo "2185"]
[PlyCount "56"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Bf4 Bb4+ 5. Nbd2 0-0 6. e3 c5 7. dxc5 Bxc5 8. Be2 Nc6 9. 0-0 b6 10. Qc2 Bb7 11. Rfd1 Qe8 12. a3 Rc8 13. Rac1 a5 14. cxd5 Nxd5 15. Ng5 f5 16. Ndf3 Rd8 17. Nxe6 Qxe6 18. Ng5 Qg6 19. Qb3 Nce7 20. Rxc5 bxc5 21. Qxb7 Nxf4 22. exf4 Rxd1+ 23. Bxd1 h6 24. Bb3+ Kh8 25. Nf3 Qd6 26. Ne5 Kh7 27. h4 Rb8 28. Qf3 Ng6 0-1

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.13"]
[Round "7"]
[White "Petersen, Marcel"]
[Black "Thorhallsson, Throstur"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2185"]
[BlackElo "2394"]
[PlyCount "79"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. Qe2 e5 6. 0-0 Be7 7. c3 d6 8. Na3 0-0 9. Nc2 Re8 10. d3 h6 11. Ne3 Bf8 12. Nd2 g6 13. a4 b6 14. f4 exf4 15. gxf4 Bb7 16. Qf2 Bg7 17. Ndc4 Qc7 18. f5 Kh7 19. Qg3 Rad8 20. fxg6+ fxg6 21. Rxf6 Bxf6 22. Nd5 Qf7 23. Qf4 Rf8 24. Qxh6+ Kg8 25. Nxf6+ Qxf6 26. Bg5 Qg7 27. Qxg7+ Kxg7 28. Bxd8 Rxd8 29. Kf2 Ba6 30. b3 Bxc4 31. bxc4 Ne5 32. Ke2 Rh8 33. h3 Rh5 34. a5 Rg5 35. Bf1 Rg3 36. Kf2 Rf3+ 37. Kg2 Re3 38. Kf2 Rf3+ 39. Kg2 Re3 40. Kf2 1/2-1/2

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.12"]
[Round "5"]
[White "Petersen, Marcel"]
[Black "Levin, Anthony"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2185"]
[BlackElo "2016"]
[PlyCount "75"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Nxe5 0-0 5. Nd3 Bxc3 6. dxc3 Nxe4 7. Be3 Re8 8. Qe2 d5 9. 0-0-0 Nd6 10. Qf3 c6 11. g4 Nd7 12. h3 Qa5 13. Kb1 Nc4 14. Bc1 Nf6 15. Nf4 b5 16. Bd3 Bb7 17. Rhe1 Qb6 18. g5 Nd7 19. Nh5 Nf8 20. b3 Ne5 21. Rxe5 Rxe5 22. Nxg7 c5 23. Nh5 c4 24. Nf6+ Kg7 25. Bxh7 Nxh7 26. Qh5 Nxg5 27. Bxg5 Rh8 28. Qg4 Qe6 29. Bh6+ Kxh6 30. Qh4+ Kg7 31. Rg1+ Kf8 32. Qxh8+ Ke7 33. Rg8 Bc6 34. Rc8 Re1+ 35. Kb2 Bd7 36. Qd8+ Kd6 37. Qc7+ Ke7 38. Ng8# 1-0

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.11"]
[Round "4"]
[White "Larkin, Vladislav"]
[Black "Petersen, Marcel"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2449"]
[BlackElo "2185"]
[PlyCount "75"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. d3 Bc5 4. Nf3 Nf6 5. c3 Bb6 6. 0-0 0-0 7. Re1 Re8 8. b4 d6 9. a4 a6 10. h3 h6 11. Na3 Ne7 12. Qb3 Rf8 13. d4 Ng6 14. a5 Ba7 15. b5 Qe7 16. b6 Bb8 17. Nc2 c6 18. Ba3 Nh5 19. Ne3 Nhf4 20. Nf5 Qf6 21. Bf1 exd4 22. g3 Bxf5 23. exf5 Qxf5 24. gxf4 Nxf4 25. cxd4 Nxh3+ 26. Bxh3 Qxh3 27. Re4 g5 28. Nd2 Qf5 29. d5 cxd5 30. Rd4 Re8 31. Qf3 Qg6 32. Qxd5 Qh5 33. Nf3 Qh3 34. Bb4 g4 35. Nh2 Re5 36. Rxg4+ Qxg4+ 37. Nxg4 Rxd5 38. Nf6+ 1-0

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.10"]
[Round "2"]
[White "Niermann, Tristan"]
[Black "Petersen, Marcel"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2427"]
[BlackElo "2185"]
[PlyCount "104"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. Bg2 d4 4. Nf3 c5 5. e3 Nc6 6. d3 Nf6 7. exd4 cxd4 8. 0-0 Bd6 9. Bg5 h6 10. Bxf6 Qxf6 11. Nbd2 Qe7 12. Re1 0-0 13. Nb3 Qd8 14. Nbxd4 Nxd4 15. Nxd4 Bxg3 16. hxg3 Qxd4 17. b3 Rd8 18. Qh5 Rb8 19. Rad1 Bd7 20. Re4 Qb2 21. Rde1 Be8 22. Qa5 Rxd3 23. Qxa7 Rbd8 24. R4e2 Rd2 25. Rxd2 Qxd2 26. Qe3 Qxe3 27. fxe3 b6 28. Kf2 Rd2+ 29. Re2 Rd1 30. Rc2 Kf8 31. Ke2 Rg1 32. Kf2 Ra1 33. Rd2 Ke7 34. Bf3 f6 35. Bd1 Bg6 36. g4 Be4 37. Kg3 f5 38. Kf4 Kf6 39. gxf5 Bxf5 40. e4 g5+ 41. Ke3 Bg6 42. Kd4 h5 43. e5+ Ke7 44. Bf3 g4 45. Bc6 Re1 46. b4 g3 47. b5 h4 48. a4 h3 49. a5 Be4 50. Kc3 g2 51. Rd7+ Kf8 52. axb6 g1Q 0-1

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.10"]
[Round "3"]
[White "Petersen, Marcel"]
[Black "Kilic, Eray"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2185"]
[BlackElo "2473"]
[PlyCount "84"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. 0-0 a6 5. Bxd7+ Bxd7 6. c3 Nf6 7. Re1 Bc6 8. d4 Bxe4 9. Bg5 Bc6 10. Bxf6 gxf6 11. d5 Bd7 12. Nbd2 e5 13. dxe6 Bxe6 14. Nc4 d5 15. Ne3 Qd6 16. Qa4+ Qc6 17. Qf4 0-0-0 18. Qxf6 Rg8 19. Ne5 Qc7 20. Nf5 Kb8 21. b4 cxb4 22. cxb4 Rc8 23. a3 Ka8 24. g3 Re8 25. Rac1 Qb8 26. h4 Bd6 27. Nxd6 Qxd6 28. Rc3 d4 29. Rd3 Qc7 30. Red1 Bc8 31. Nxf7 Ref8 32. Qxd4 Qxf7 33. b5 axb5 34. a4 Rg4 35. Qc5 Rc4 36. Qxb5 Qxf2+ 37. Kh1 Re4 38. Qa5+ Kb8 39. Rc1 Rxh4+ 40. gxh4 Qxh4+ 41. Kg2 Rf2+ 42. Kg1 Qh2# 0-1

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2025.04.09"]
[Round "1"]
[White "Petersen, Marcel"]
[Black "Zhang, Ruijia"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2185"]
[BlackElo "1973"]
[PlyCount "67"]
[EventDate "2025.04.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CB17_2025"]
[SourceDate "2025.04.23"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. Nxd4 Nc6 6. Bb5 Bd7 7. Nxc6 bxc6 8. Bd3 Bd6 9. Qe2 Qc7 10. Nf3 f6 11. c4 Ne7 12. 0-0 0-0 13. h3 dxe4 14. Qxe4 Ng6 15. Re1 f5 16. Qe2 Nf4 17. Bxf4 Bxf4 18. c5 Rae8 19. Bc4 Rf6 20. Rad1 Kf8 21. Ne5 Bxe5 22. Qxe5 Qxe5 23. Rxe5 Ke7 24. f4 h6 25. Re3 g5 26. fxg5 hxg5 27. Rb3 Bc8 28. Rb8 e5 29. Ra8 a6 30. Ra7+ Kf8 31. Rd6 Rxd6 32. Rf7+ Kg8 33. cxd6 Be6 34. Re7 1-0

[Event "Berlin Radtke Memorial"]
[Site "Berlin"]
[Date "2024.10.27"]
[Round "9"]
[White "Petersen, Marcel"]
[Black "Bui, Bao Anh Le"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2147"]
[BlackElo "2221"]
[PlyCount "91"]
[EventDate "2024.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB44_2024"]
[Source "Chessbase"]
[SourceDate "2024.10.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. Qe2 e5 6. 0-0 Be7 7. c3 0-0 8. Rd1 d5 9. exd5 Qxd5 10. d3 Rd8 11. Na3 e4 12. Ne1 Bf5 13. Bf4 exd3 14. Qe3 Qe6 15. Qxe6 fxe6 16. Bxc6 bxc6 17. Nc4 Nh5 18. Be5 Rd5 19. f4 Bg6 20. Rd2 Nf6 21. Ne3 Rd7 22. Rad1 Rad8 23. Bxf6 Bxf6 24. Kf2 Be4 25. Nc4 Bf5 26. Ke3 Bg4 27. Nf3 e5 28. Ncxe5 Bxe5 29. Nxe5 Bxd1 30. Nxd7 Rxd7 31. Rxd1 c4 32. b3 Re7+ 33. Kd4 cxb3 34. axb3 Rd7+ 35. Ke3 c5 36. Rxd3 Rb7 37. c4 Kf7 38. Kd2 Ke6 39. Kc3 h5 40. Rd5 g6 41. Rxc5 Kf6 42. b4 Re7 43. Rd5 Re2 44. Rd2 Re7 45. c5 Kf5 46. Rd5+ 1-0

[Event "Berlin Radtke Memorial"]
[Site "Berlin"]
[Date "2024.10.26"]
[Round "8"]
[White "Fizer, Marek"]
[Black "Petersen, Marcel"]
[Result "0-1"]
[ECO "C70"]
[WhiteElo "2221"]
[BlackElo "2147"]
[PlyCount "84"]
[EventDate "2024.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB44_2024"]
[Source "Chessbase"]
[SourceDate "2024.10.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 g6 5. d4 b5 6. Bb3 exd4 7. a4 b4 8. Nxd4 Na5 9. Ba2 Bg7 10. 0-0 Ne7 11. Qd3 d6 12. Nd2 0-0 13. Nc4 Nxc4 14. Bxc4 Bb7 15. Bg5 h6 16. Bh4 c5 17. Nf3 g5 18. Bg3 d5 19. exd5 Nxd5 20. Qf5 Qc8 21. Qxc8 Raxc8 22. Rad1 Nb6 23. Ba2 Bxb2 24. a5 Na4 25. Rd6 Bxf3 26. gxf3 c4 27. Rxh6 Nc3 28. Bb1 b3 29. cxb3 Nxb1 30. Rxb1 c3 31. Be5 f6 32. Bxc3 Bxc3 33. h4 Rc5 34. b4 Bxb4 35. hxg5 Rxg5+ 36. Kf1 Rb5 37. Ke2 Bxa5 38. Rg1+ Kf7 39. Rh7+ Ke6 40. Ra7 Rb2+ 41. Kd3 Rd8+ 42. Kc4 Rb4+ 0-1

[Event "Berlin Radtke Memorial"]
[Site "Berlin"]
[Date "2024.10.25"]
[Round "7"]
[White "Petersen, Marcel"]
[Black "Knuedel, Torben"]
[Result "1/2-1/2"]
[ECO "B72"]
[WhiteElo "2147"]
[BlackElo "2272"]
[PlyCount "83"]
[EventDate "2024.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB44_2024"]
[Source "Chessbase"]
[SourceDate "2024.10.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. Nc3 Nc6 6. Be3 Nf6 7. Be2 0-0 8. Qd2 d6 9. h3 Nxd4 10. Bxd4 Qa5 11. Bxf6 Bxf6 12. Nd5 Qxd2+ 13. Kxd2 Kg7 14. Nxf6 Kxf6 15. c4 Be6 16. b3 Rfc8 17. a4 a5 18. f4 Rc5 19. Ke3 Bd7 20. g4 Bc6 21. Rhd1 h6 22. h4 g5 23. fxg5+ hxg5 24. h5 Re5 25. Bf3 Kg7 26. Rd4 Rh8 27. Rf1 Rh6 28. Bg2 Bd7 29. Kf3 Bc6 30. Ke3 Bd7 31. Bh3 f5 32. gxf5 Be8 33. Bg4 Bxh5 34. f6+ exf6 35. Bf5 Bg6 36. Bxg6 Rxg6 37. Rxd6 Re7 38. Rd5 Rh6 39. Rxa5 Rh4 40. e5 Rh3+ 41. Ke4 fxe5 42. Rxe5 1/2-1/2

[Event "Berlin Radtke Memorial"]
[Site "Berlin"]
[Date "2024.10.24"]
[Round "6"]
[White "Hoffmann, Kay"]
[Black "Petersen, Marcel"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "2028"]
[BlackElo "2147"]
[PlyCount "60"]
[EventDate "2024.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB44_2024"]
[Source "Chessbase"]
[SourceDate "2024.10.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 c6 5. Nbd2 Nbd7 6. Bg2 Bd6 7. 0-0 0-0 8. b3 e5 9. dxe5 Nxe5 10. Bb2 Nxf3+ 11. Bxf3 Bh3 12. Bg2 Bxg2 13. Kxg2 Be7 14. cxd5 Qxd5+ 15. Nf3 Qf5 16. Nh4 Qe4+ 17. f3 Qe6 18. e4 Rad8 19. Qe2 g6 20. Kh1 Nh5 21. Ng2 Nxg3+ 22. hxg3 Qh3+ 23. Kg1 Bc5+ 24. Ne3 Qxg3+ 25. Kh1 Qh4+ 26. Qh2 Qxh2+ 27. Kxh2 Bxe3 28. Rad1 Bg5 29. Bd4 b6 30. f4 Bxf4+ 0-1

[Event "Berlin Radtke Memorial"]
[Site "Berlin"]
[Date "2024.10.24"]
[Round "5"]
[White "Petersen, Marcel"]
[Black "Degenhard, Simon"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2147"]
[BlackElo "2236"]
[PlyCount "98"]
[EventDate "2024.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB44_2024"]
[Source "Chessbase"]
[SourceDate "2024.10.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb6 9. 0-0 0-0 10. Bxc6 bxc6 11. Nc3 c5 12. dxc5 Nxc3 13. bxc3 Bxc5 14. Bg5 Qd7 15. Qd3 Qe6 16. Rfd1 Bb7 17. Bf4 h6 18. Nd4 Qg4 19. Qf5 Bc8 20. Qxg4 Bxg4 21. Re1 Bb6 22. Nc6 Rfe8 23. Nb4 Rad8 24. h3 Bc8 25. a4 c5 26. a5 cxb4 27. axb6 bxc3 28. Rxa7 Be6 29. Rc7 d4 30. Rd1 g5 31. Bg3 Rc8 32. f4 Bb3 33. Rc1 Rxc7 34. bxc7 d3 35. Be1 d2 36. Bxd2 cxd2 37. c8Q Rxc8 38. Rxc8+ Kg7 39. Rd8 d1Q+ 40. Rxd1 Bxd1 41. fxg5 hxg5 42. g4 Kf8 43. Kf2 Ke7 44. Kg3 Ke6 45. h4 gxh4+ 46. Kxh4 Kxe5 47. Kg5 Bc2 48. Kh6 Kf4 49. g5 Bg6 0-1

[Event "Berlin Radtke Memorial"]
[Site "Berlin"]
[Date "2024.10.23"]
[Round "4"]
[White "Prazak, Daniel"]
[Black "Petersen, Marcel"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2290"]
[BlackElo "2147"]
[PlyCount "113"]
[EventDate "2024.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB44_2024"]
[Source "Chessbase"]
[SourceDate "2024.10.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Nbxd2 0-0 11. Bxc6 bxc6 12. 0-0 f6 13. Re1 Bf5 14. Rc1 Nxd2 15. Nxd2 fxe5 16. dxe5 Rb8 17. b3 Qe8 18. Nf1 Rb6 19. Qd2 Qg6 20. Rc3 Re8 21. f4 Rf8 22. Ng3 h5 23. Ne2 h4 24. Nd4 Be4 25. Rf1 a5 26. a3 Bf5 27. Qe3 Bc8 28. e6 c5 29. Rxc5 Bxe6 30. Rxc7 Bf5 31. Nf3 h3 32. g3 Re8 33. Qd4 Rxb3 34. Qxd5+ Be6 35. Qg5 Qxg5 36. Nxg5 Bg4 37. f5 Rb6 38. Ne6 Bxf5 39. Nxg7 Bd3 40. Nxe8 Bxf1 41. Kxf1 Kf8 42. Ng7 Rb1+ 43. Kf2 Rb2+ 44. Kf3 Rxh2 45. Ne6+ Ke8 46. Nf4 Ra2 47. Nxh3 Rxa3+ 48. Kg4 Ra1 49. Nf4 a4 50. Kf5 a3 51. Ra7 a2 52. g4 Kf8 53. g5 Ke8 54. g6 Kd8 55. g7 Rg1 56. Rxa2 Rxg7 57. Ne6+ 1-0

[Event "Berlin Radtke Memorial"]
[Site "Berlin"]
[Date "2024.10.22"]
[Round "3"]
[White "Petersen, Marcel"]
[Black "Polster, Christian"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2147"]
[BlackElo "2265"]
[PlyCount "176"]
[EventDate "2024.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB44_2024"]
[Source "Chessbase"]
[SourceDate "2024.10.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.30"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Be3 e5 5. Bc4 Be7 6. h3 c6 7. a4 Qc7 8. Qd3 0-0 9. Nf3 d5 10. exd5 cxd5 11. Bxd5 Bb4 12. Ng5 h6 13. Bxf7+ Rxf7 14. Nxf7 Kxf7 15. 0-0 Bxc3 16. bxc3 e4 17. Qd2 Nb6 18. f3 Nc4 19. Qf2 exf3 20. Qxf3 Nxe3 21. Qxe3 Bd7 22. Qe5 Qc6 23. d5 Qc5+ 24. Kh1 Qe7 25. Qc7 Be8 26. Qc4 Kg8 27. d6+ Qf7 28. Qb4 Bc6 29. a5 Qh5 30. Kh2 Qe5+ 31. Qf4 Qxf4+ 32. Rxf4 Ne4 33. Rd1 Rd8 34. a6 b6 35. Re1 Nf6 36. Rc4 Rxd6 37. Re7 Bd7 38. Rc7 Kf8 39. Re1 Rc6 40. Rxa7 Rxc3 41. Ra1 Rc8 42. Rb7 Bc6 43. Rxb6 Nd7 44. Rxc6 Rxc6 45. a7 Nb6 46. Ra6 Rc7 47. Rxb6 Rxa7 48. Rc6 Ke7 49. Kg3 Rd7 50. Kf3 Rd2 51. h4 h5 52. g3 Kf7 53. Rc5 g6 54. Kf4 Rg2 55. Rc3 Kf6 56. Ke4 Ke6 57. Rc6+ Kf7 58. Kf4 Kg7 59. c4 Rf2+ 60. Ke3 Rg2 61. Kf3 Rc2 62. Rc8 Rc3+ 63. Kf4 Kf6 64. Rc6+ Kf7 65. c5 Kg7 66. Rc8 Kf6 67. c6 Rc4+ 68. Ke3 Kf5 69. c7 Kg4 70. Rg8 Rxc7 71. Rxg6+ Kh3 72. Kf4 Rf7+ 73. Kg5 Kxg3 74. Kxh5+ Kf4 75. Kh6 Kf5 76. h5 Ra7 77. Rg7 Ra1 78. Kh7 Kf6 79. h6 Rh1 80. Ra7 Rh2 81. Ra6+ Kf7 82. Ra1 Rf2 83. Rb1 Rf3 84. Rb7+ Kf8 85. Kg6 Rg3+ 86. Kf5 Kg8 87. Rg7+ Rxg7 88. hxg7 Kxg7 1/2-1/2

[Event "Berlin Radtke Memorial"]
[Site "Berlin"]
[Date "2024.10.22"]
[Round "2"]
[White "Wu, Yixing"]
[Black "Petersen, Marcel"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2324"]
[BlackElo "2147"]
[PlyCount "49"]
[EventDate "2024.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB44_2024"]
[Source "Chessbase"]
[SourceDate "2024.10.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. 0-0 Bg4 5. d3 Nbd7 6. h3 Bh5 7. Qe1 e5 8. e4 dxe4 9. dxe4 Bc5 10. b4 Bd6 11. Na3 Qe7 12. Rb1 a5 13. Nc4 axb4 14. Nh4 Bg6 15. Nxd6+ Qxd6 16. f4 Bxe4 17. fxe5 Qxe5 18. Bf4 Qe6 19. Bxe4 Nxe4 20. Rxb4 Ndc5 21. Be3 0-0 22. Nf5 Rfe8 23. Bxc5 Nxc5 24. Qc3 Qe5 25. Rg4 1/2-1/2

[Event "Berlin Radtke Memorial"]
[Site "Berlin"]
[Date "2024.10.21"]
[Round "1"]
[White "Petersen, Marcel"]
[Black "Stelmaszyk, Nico"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2147"]
[BlackElo "2369"]
[PlyCount "55"]
[EventDate "2024.10.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CB44_2024"]
[Source "Chessbase"]
[SourceDate "2024.10.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. Qe2 d5 6. exd5 Nxd5 7. 0-0 Be7 8. Rd1 0-0 9. d4 cxd4 10. Nxd4 Nxd4 11. Rxd4 Bf6 12. Rd1 Qc7 13. c4 Nb6 14. Na3 a6 15. Bf4 e5 16. Be3 Be6 17. c5 Nc8 18. Nc4 Ne7 19. Nd6 Nc6 20. Qf3 Rab8 21. Nxb7 e4 22. Qxe4 Qxb7 23. Qxc6 Qxc6 24. Bxc6 Bxb2 25. Bf4 Bxa1 26. Bxb8 Rxb8 27. Rxa1 Rc8 28. Bb7 1/2-1/2

[Event "Oberliga Nord O 2324"]
[Site "Germany"]
[Date "2024.04.28"]
[Round "9.4"]
[White "Petersen, Marcel"]
[Black "Ahlander, Bjorn"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2138"]
[BlackElo "2371"]
[PlyCount "56"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Berlin Mattnetz"]
[BlackTeam "Berlin SF II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. g3 d5 4. exd5 exd5 5. d4 cxd4 6. Nxd4 Nc6 7. Bg2 Bc5 8. Nb3 Bb6 9. 0-0 Nf6 10. Nc3 d4 11. Na4 0-0 12. Nxb6 axb6 13. c3 Bg4 14. f3 Be6 15. cxd4 Re8 16. Kh1 Bc4 17. Rg1 Qd5 18. Nd2 Be2 19. Qb3 Nxd4 20. Qxd5 Nxd5 21. a3 Rac8 22. f4 Ne3 23. h3 Nxg2 24. Kxg2 Bd3 25. g4 Nc2 26. Ra2 Ne1+ 27. Kf2 Re2+ 28. Kg3 Rxc1 0-1

[Event "Oberliga Nord O 2324"]
[Site "Germany"]
[Date "2024.04.14"]
[Round "8.3"]
[White "Petersen, Marcel"]
[Black "Jagodzinski, Piotr"]
[Result "1-0"]
[ECO "D42"]
[WhiteElo "2138"]
[BlackElo "2176"]
[PlyCount "75"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Berlin Mattnetz"]
[BlackTeam "Forst"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. cxd5 Nxd5 8. Bd3 Nc6 9. 0-0 0-0 10. Re1 a6 11. a3 Nf6 12. Bg5 h6 13. Be3 b5 14. Qd2 Re8 15. Rad1 Bf8 16. b4 Ne7 17. Ne4 Nxe4 18. Bxe4 Nd5 19. Ne5 Bb7 20. Rc1 f5 21. Bf3 Qf6 22. Nd7 Qf7 23. Nxf8 Rxf8 24. Bf4 Rfd8 25. Be5 Rac8 26. Bxd5 Bxd5 27. Re3 Kh7 28. Rg3 g5 29. h4 gxh4 30. Rgc3 Rc4 31. Rxc4 bxc4 32. a4 Qb7 33. Bf4 Bxg2 34. Rxc4 Rd7 35. Qc3 Bh3 36. Rc6 Qa8 37. d5 Rxd5 38. Rc7+ 1-0

[Event "Berlin-ch"]
[Site "Berlin"]
[Date "2024.04.06"]
[Round "8"]
[White "Thiede, Lars"]
[Black "Petersen, Marcel"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "2388"]
[BlackElo "2133"]
[PlyCount "81"]
[EventDate "2024.03.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. Nf3 g6 2. c4 Bg7 3. g3 e5 4. Nc3 Ne7 5. Bg2 0-0 6. 0-0 Nbc6 7. Rb1 a5 8. d3 d6 9. a3 Nd4 10. Bg5 h6 11. Bxe7 Qxe7 12. b4 axb4 13. axb4 c6 14. b5 Bg4 15. e3 Nxf3+ 16. Bxf3 Bxf3 17. Qxf3 Qd7 18. Rb3 f5 19. Rfb1 Ra7 20. Kg2 Kh7 21. h3 Rd8 22. e4 Rc8 23. h4 h5 24. exf5 Qxf5 25. Qe3 Raa8 26. bxc6 bxc6 27. Rb7 Rf8 28. Rc7 Rac8 29. Ra7 Rf7 30. Ne4 Rd7 31. Rbb7 Rxb7 32. Rxb7 Rd8 33. Qa7 Rg8 34. Rf7 Qc8 35. Nxd6 Qd8 36. Ne4 Kh8 37. Rd7 Qf8 38. Qc7 Qf5 39. Rf7 Qe6 40. Ng5 Qe8 41. Qd6 1-0

[Event "Berlin-ch"]
[Site "Berlin"]
[Date "2024.04.02"]
[Round "4"]
[White "Klenburg, Mikhail"]
[Black "Petersen, Marcel"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2328"]
[BlackElo "2133"]
[PlyCount "93"]
[EventDate "2024.03.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 g6 3. Nf3 Bg7 4. 0-0 e5 5. d3 Ne7 6. Nbd2 0-0 7. e4 a5 8. a4 Nbc6 9. c3 h6 10. exd5 Nxd5 11. Re1 Bf5 12. Nb3 Re8 13. d4 exd4 14. Rxe8+ Qxe8 15. Nfxd4 Nxd4 16. Nxd4 Rd8 17. Qf1 Bc8 18. Bd2 c6 19. Nb3 b6 20. Nd4 Qd7 21. Re1 Bb7 22. Qe2 c5 23. Nb5 Nf6 24. Bxb7 Qxd2 25. Bf3 Qg5 26. Rd1 Rxd1+ 27. Qxd1 Kh7 28. Nd6 Nd7 29. Nxf7 Qe7 30. Nd6 Ne5 31. Be4 Qd7 32. Bd5 Qh3 33. f3 Bf8 34. Ne4 c4 35. Qe2 Qf5 36. Kg2 Nd3 37. Bxc4 Nc5 38. Nf2 Nxa4 39. Bd3 Qf7 40. h4 Nc5 41. Bc2 h5 42. Qe5 Kg8 43. Nh3 Qe7 44. Qd5+ Qf7 45. Qc6 Qe6 46. Qxe6+ Nxe6 47. Bb3 1-0

[Event "Berlin-ch"]
[Site "Berlin"]
[Date "2024.03.31"]
[Round "2"]
[White "Baldauf, Marco"]
[Black "Petersen, Marcel"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "2481"]
[BlackElo "2133"]
[PlyCount "161"]
[EventDate "2024.03.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. g3 Nc6 4. Bg2 e6 5. 0-0 Be7 6. d4 cxd4 7. Nxd4 0-0 8. Nc3 d5 9. cxd5 exd5 10. Be3 Be6 11. Qa4 Qd7 12. Rfd1 Rfd8 13. Nb3 Rac8 14. Nc5 Bxc5 15. Bxc5 b6 16. Be3 Na5 17. Qh4 Rc4 18. Rd4 Ng4 19. Rxc4 Nxc4 20. Bd4 f6 21. h3 Nge5 22. b3 Ng6 23. Qh5 Nce5 24. e3 Nc6 25. Rd1 Nge7 26. g4 Bf7 27. Qh4 Nxd4 28. Rxd4 Qc7 29. Ne2 Qc2 30. Bf1 Qxa2 31. Ra4 Qxb3 32. Rxa7 Nc6 33. Rc7 Ne5 34. Nd4 Qd1 35. Kg2 Nd3 36. g5 Ne1+ 37. Kg3 fxg5 38. Qxg5 Rf8 39. Be2 Qa1 40. Kh2 h6 41. Qg1 b5 42. Nxb5 Bg6 43. Nd4 Rf7 44. Rxf7 Kxf7 45. Qg4 Qb1 46. Qe6+ Kf8 47. Qxd5 Qe4 48. Qd8+ Be8 49. Qd6+ Kg8 50. Bc4+ Bf7 51. Bxf7+ Kxf7 52. Qd7+ Kg8 53. Qe6+ Qxe6 54. Nxe6 Kf7 55. Nd4 Kf6 56. Kg3 Nd3 57. f3 Ne5 58. f4 Nc4 59. e4 g5 60. e5+ Kg7 61. h4 gxf4+ 62. Kxf4 Kg6 63. Nf5 Nb6 64. Ng3 h5 65. Ke4 Nc4 66. Kd5 Ne3+ 67. Kd6 Nc4+ 68. Ke6 Nb6 69. Ne2 Kg7 70. Nf4 Nc4 71. Nxh5+ Kf8 72. Nf6 Kg7 73. Nh5+ Kf8 74. Nf4 Kg7 75. Kd5 Ne3+ 76. Ke6 Nc4 77. h5 Kf8 78. Kf6 Nb6 79. e6 Nc8 80. Ng6+ Kg8 81. Ne7+ 1-0

[Event "Berlin-ch"]
[Site "Berlin"]
[Date "2024.03.30"]
[Round "1"]
[White "Petersen, Marcel"]
[Black "Poltorak, Sebastian"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2133"]
[BlackElo "2392"]
[PlyCount "80"]
[EventDate "2024.03.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. Qe2 e5 6. 0-0 Be7 7. c3 d6 8. h3 0-0 9. Rd1 Qb6 10. Na3 Ne8 11. d4 cxd4 12. cxd4 exd4 13. Nc4 Qa6 14. Nxd4 Nxd4 15. Rxd4 Be6 16. Bf1 Rc8 17. Ne3 Qxe2 18. Bxe2 Nf6 19. b3 Bd8 20. Bf3 Bxh3 21. Rxd6 Bc7 22. Rd1 Rfe8 23. Nd5 Nxd5 24. Rxd5 f5 25. Bb2 fxe4 26. Bg2 Bxg2 27. Kxg2 Bb6 28. Rc1 Rxc1 29. Bxc1 Rc8 30. Be3 Bxe3 31. fxe3 Rc7 32. Kh3 Kf7 33. Kg4 g6 34. Kf4 Re7 35. g4 h6 36. Rd6 Kg7 37. a4 Kf7 38. a5 a6 39. Rb6 Kg7 40. Rd6 Kf7 1/2-1/2

[Event "Oberliga Nord O 2324"]
[Site "Germany"]
[Date "2024.03.17"]
[Round "7.4"]
[White "Petersen, Marcel"]
[Black "Zhou, Lepu Coco"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2138"]
[BlackElo "1980"]
[PlyCount "117"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Berlin Mattnetz"]
[BlackTeam "Berlin Weisse Dame"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nge7 5. 0-0 d5 6. exd5 Nxd5 7. d4 cxd4 8. Nxd4 Bc5 9. Nxc6 bxc6 10. c4 Ne7 11. Qxd8+ Kxd8 12. Rd1+ Ke8 13. Bf4 Ba6 14. Nc3 Bb6 15. b3 f6 16. Bd6 Rc8 17. Bh3 Nf5 18. c5 Ba5 19. Ne4 Be2 20. Rdc1 Nd4 21. Bf4 Bc7 22. Nd6+ Bxd6 23. cxd6 Bf3 24. Kf1 Rd8 25. Be3 Rxd6 26. Bxd4 Rxd4 27. Bxe6 Ke7 28. Re1 Kd6 29. Bc4 Rd8 30. Re3 Bd5 31. Bxd5 cxd5 32. Rc1 Rd2 33. Re2 Rxe2 34. Kxe2 Rd7 35. Kd3 Re7 36. Rc8 g6 37. Rf8 f5 38. f4 Kc5 39. Rg8 Kc6 40. a4 Re1 41. Rc8+ Kd6 42. Rh8 Re7 43. Rb8 Kc7 44. Rb5 Kc6 45. Ra5 Rb7 46. Kc3 Re7 47. Ra6+ Kb7 48. Rd6 Re3+ 49. Kb4 Kc7 50. Rxd5 Re2 51. h4 Re3 52. Rc5+ Kd6 53. Rc3 Re4+ 54. Kb5 Re7 55. Rd3+ Kc7 56. Ka6 Kc6 57. b4 Re4 58. Rb3 Re7 59. a5 1-0

[Event "Oberliga Nord O 2324"]
[Site "Germany"]
[Date "2024.02.25"]
[Round "6.3"]
[White "Petersen, Marcel"]
[Black "Schoene, Ralf"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2138"]
[BlackElo "2238"]
[PlyCount "108"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Berlin Mattnetz"]
[BlackTeam "Potsdam Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 c6 4. e3 Bf5 5. f3 e6 6. g4 Bg6 7. h4 h5 8. g5 Nfd7 9. Nge2 Bb4 10. Kf2 Qe7 11. Bh3 0-0 12. Bxb8 Raxb8 13. Nf4 Bxc3 14. bxc3 e5 15. Nxg6 fxg6 16. Bxd7 Qxd7 17. Kg2 Rbe8 18. Qe2 Rf7 19. Rhf1 Rfe7 20. Rae1 Qd6 21. Qd2 Re6 22. a4 a5 23. Rf2 b5 24. dxe5 Rxe5 25. c4 bxc4 26. Qxa5 d4 27. Qa6 Qb4 28. Rd1 dxe3 29. Re2 c3 30. Kg3 Rf8 31. Qxc6 Qf4+ 32. Kh3 Qxf3+ 33. Qxf3 Rxf3+ 34. Kg2 Rf4 35. Rd3 Rxh4 36. Rexe3 Rxg5+ 37. Rg3 Rxg3+ 38. Rxg3 Rxa4 39. Rxc3 Kh7 40. Rc8 g5 41. c4 Ra3 42. Rc5 Kh6 43. Rd5 h4 44. c5 Rc3 45. Kf2 g4 46. Rd6+ Kh5 47. c6 h3 48. Kg1 g3 49. Rd1 Rxc6 50. Rb1 g5 51. Ra1 Kh4 52. Rb1 g4 53. Ra1 Rf6 54. Ra8 h2+ 0-1

[Event "Oberliga Nord O 2324"]
[Site "Germany"]
[Date "2024.01.14"]
[Round "4.4"]
[White "Moritz, Aron"]
[Black "Petersen, Marcel"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2204"]
[BlackElo "2138"]
[PlyCount "80"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Kreuzberg"]
[BlackTeam "Berlin Mattnetz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nd2 a6 4. Bd3 c5 5. dxc5 Bxc5 6. Ngf3 Nf6 7. Qe2 0-0 8. e5 Nfd7 9. Nb3 Be7 10. h4 f5 11. Bf4 Nc6 12. c3 Nc5 13. Nxc5 Bxc5 14. 0-0-0 b5 15. Kb1 Bd7 16. Rdg1 d4 17. cxd4 Nxd4 18. Nxd4 Bxd4 19. g4 Bc6 20. Rh3 Ra7 21. gxf5 exf5 22. h5 Bd5 23. Be3 Be6 24. Bc2 Qd5 25. Bxd4 Qxa2+ 26. Kc1 Qa1+ 27. Kd2 Qxg1 28. Bxa7 Bc4 29. Qe3 Rd8+ 30. Bd4 Qg4 31. f4 Qg2+ 32. Kc1 Qf1+ 33. Kd2 Qg2+ 34. Kc1 Qf1+ 35. Bd1 Rc8 36. Kd2 Qg2+ 37. Ke1 Qf1+ 38. Kd2 Qg2+ 39. Ke1 Qf1+ 40. Kd2 Qg2+ 1/2-1/2

[Event "Basel Christmas op"]
[Site "Basel"]
[Date "2023.12.30"]
[Round "9"]
[White "Krivenko, Dion"]
[Black "Petersen, Marcel"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2220"]
[BlackElo "2097"]
[PlyCount "87"]
[EventDate "2023.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. Nc3 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Bg5 Bb4 6. Nxc6 bxc6 7. Qd4 Qe7 8. Bxf6 Bxc3+ 9. Qxc3 Qxf6 10. Qxf6 gxf6 11. e4 a5 12. 0-0-0 Ba6 13. Rd4 Rg8 14. g3 Bxf1 15. Rxf1 Ke7 16. Rfd1 d6 17. R1d3 Rab8 18. Rc4 Rb6 19. h4 Rgb8 20. b3 R8b7 21. Rdc3 Kd7 22. a3 Ra7 23. Kd2 a4 24. Rxa4 Rxa4 25. bxa4 Ra6 26. Rc4 c5 27. Ke3 Ke7 28. Kf4 Kf8 29. Kf5 Ke7 30. f4 Ra5 31. h5 h6 32. g4 c6 33. g5 fxg5 34. fxg5 hxg5 35. h6 Ra8 36. e5 dxe5 37. Rxc5 Rxa4 38. Rxc6 Rxa3 39. Rc7+ Kd6 40. Rxf7 Rf3+ 41. Kg6 g4 42. h7 Rh3 43. Kg7 g3 44. h8Q 1-0

[Event "Basel Christmas op"]
[Site "Basel"]
[Date "2023.12.30"]
[Round "8"]
[White "Petersen, Marcel"]
[Black "Degardin, Sylvain"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "2097"]
[BlackElo "2250"]
[PlyCount "49"]
[EventDate "2023.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nf6 6. Nc3 g6 7. 0-0 Bg7 8. d4 cxd4 9. Nxd4 0-0 10. f3 Nc6 11. Be3 Rfc8 12. b3 a6 13. Nxc6 Rxc6 14. Qd3 b5 15. cxb5 Rxc3 16. Qxc3 Nd5 17. Qd2 Nxe3 18. Qxe3 Bxa1 19. Rxa1 axb5 20. Qd4 Qe6 21. Qd5 Qxd5 22. exd5 b4 23. Re1 Rxa2 24. Rxe7 Rb2 25. Rd7 1/2-1/2

[Event "Basel Christmas op"]
[Site "Basel"]
[Date "2023.12.28"]
[Round "4"]
[White "Cina, Vittorio"]
[Black "Petersen, Marcel"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2262"]
[BlackElo "2097"]
[PlyCount "72"]
[EventDate "2023.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Bc5 3. Nc3 d6 4. Nf3 Nc6 5. d3 Nf6 6. h3 Na5 7. Bb3 c6 8. 0-0 0-0 9. Ne2 Nxb3 10. axb3 Re8 11. Ng3 d5 12. exd5 cxd5 13. Nxe5 Rxe5 14. d4 Ne4 15. dxc5 Nxg3 16. fxg3 Qe7 17. b4 Bf5 18. Bf4 Re2 19. Re1 Rxe1+ 20. Qxe1 Be4 21. Qf2 Qd7 22. Be3 a6 23. Bd4 Re8 24. c3 h6 25. Re1 Bg6 26. g4 Rxe1+ 27. Qxe1 Qe6 28. Qg3 Qe2 29. g5 hxg5 30. Qxg5 Qh5 31. Qd8+ Kh7 32. Qf8 Qh6 33. Qe7 Qc1+ 34. Kh2 Qf4+ 35. Kg1 Qc1+ 36. Kh2 Qf4+ 1/2-1/2

[Event "Basel Christmas op"]
[Site "Basel"]
[Date "2023.12.27"]
[Round "2"]
[White "Zuferi, Enis"]
[Black "Petersen, Marcel"]
[Result "1-0"]
[ECO "E29"]
[WhiteElo "2373"]
[BlackElo "2097"]
[PlyCount "75"]
[EventDate "2023.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 Nc6 8. Rb1 b6 9. e4 Ne8 10. dxc5 bxc5 11. f4 f5 12. e5 Ba6 13. Nf3 Rb8 14. Rxb8 Qxb8 15. Qa4 Qb6 16. Be3 Nc7 17. 0-0 Qa5 18. Qxa5 Nxa5 19. Bxc5 Rc8 20. Rd1 Bxc4 21. Bb4 Bxd3 22. Rxd3 Nc4 23. Rxd7 a5 24. Bd6 Nd5 25. g3 Nce3 26. Ng5 h6 27. Nxe6 Rxc3 28. Rd8+ Kf7 29. Nd4 Rd3 30. e6+ Kf6 31. e7 Rd1+ 32. Kf2 Ng4+ 33. Kf3 Rd3+ 34. Ke2 Re3+ 35. Kd2 Nxe7 36. h3 Rxg3 37. hxg4 Ng6 38. gxf5 1-0

[Event "Basel Christmas op"]
[Site "Basel"]
[Date "2023.12.26"]
[Round "1"]
[White "Petersen, Marcel"]
[Black "Lekic, Dusan"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2097"]
[BlackElo "2335"]
[PlyCount "73"]
[EventDate "2023.12.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nf6 6. Nc3 g6 7. 0-0 Bg7 8. d4 cxd4 9. Nxd4 0-0 10. f3 Rc8 11. Qd3 Nc6 12. Nxc6 Qxc6 13. b3 a6 14. Bd2 b5 15. cxb5 Qc5+ 16. Kh1 axb5 17. Rac1 Qb6 18. Be3 Qb7 19. Qxb5 Qxb5 20. Nxb5 Rxc1 21. Rxc1 Rxa2 22. Rb1 Nd7 23. b4 f5 24. exf5 gxf5 25. Na7 Kf7 26. b5 d5 27. Nc6 Ke6 28. Bf4 Bc3 29. h4 d4 30. b6 d3 31. b7 d2 32. Rd1 Kd5 33. Nxe7+ Kc4 34. Nc6 Kd3 35. Bxd2 Rxd2 36. Rxd2+ Bxd2 37. Ne5+ 1-0

[Event "Oberliga Nord O 2324"]
[Site "Germany"]
[Date "2023.12.03"]
[Round "3.3"]
[White "Petersen, Marcel"]
[Black "Rabiega, Robert"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2138"]
[BlackElo "2464"]
[PlyCount "26"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Berlin Mattnetz"]
[BlackTeam "Koenig Tegel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 d6 5. d3 h6 6. Be3 Bb6 7. a4 Nf6 8. 0-0 0-0 9. Re1 Re8 10. b4 Bxe3 11. fxe3 a6 12. Nbd2 Ne7 13. Ba2 Ng6 1/2-1/2

[Event "Oberliga Nord O 2324"]
[Site "Germany"]
[Date "2023.11.19"]
[Round "2.4"]
[White "Petersen, Marcel"]
[Black "Foerster, Jonas"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2138"]
[BlackElo "2252"]
[PlyCount "49"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Berlin Mattnetz"]
[BlackTeam "Berlin Empor"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 Nbd7 6. Nf3 b5 7. e5 b4 8. exf6 bxc3 9. Qxc3 Nxf6 10. Qxc6+ Bd7 11. Qa6 Bg7 12. Be2 Qc7 13. Rc1 Rb8 14. b3 Nd5 15. Bd2 Nb4 16. Qc4 Qxc4 17. Bxc4 Nxa2 18. Ra1 Nb4 19. Bxb4 Rxb4 20. Rxa7 e6 21. d5 Bf6 22. 0-0 e5 23. Nd2 Bf5 24. g4 Bxg4 25. Ne4 1-0

[Event "Berlin Radtke Memorial op"]
[Site "Berlin"]
[Date "2023.10.29"]
[Round "9"]
[White "Fishchuk, Vladyslav"]
[Black "Petersen, Marcel"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2182"]
[BlackElo "2043"]
[PlyCount "66"]
[EventDate "2023.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 a5 6. Bg2 dxc4 7. a3 Bxd2+ 8. Nbxd2 b5 9. b3 cxb3 10. Qxb3 Ba6 11. 0-0 0-0 12. Qb2 c6 13. Rfc1 Qd6 14. Ne5 Rc8 15. Nb3 a4 16. Nc5 Nd5 17. e4 Nb6 18. Qb4 Rd8 19. Rd1 Bc8 20. Rac1 f6 21. Nf3 Na6 22. Qe1 Nc4 23. e5 Qe7 24. exf6 gxf6 25. Nxa4 Nc7 26. Nc5 Rxa3 27. Nh4 Nd5 28. Qe4 Nc3 29. Nf5 Qa7 30. Rxc3 Rxc3 31. Nxe6 Re8 32. Qxc6 Bd7 33. Nh6+ Kh8 1/2-1/2

[Event "Berlin Radtke Memorial op"]
[Site "Berlin"]
[Date "2023.10.28"]
[Round "8"]
[White "Petersen, Marcel"]
[Black "Rieper, Julian"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2043"]
[BlackElo "2110"]
[PlyCount "145"]
[EventDate "2023.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. a4 a5 7. 0-0 Bb6 8. Re1 0-0 9. Nbd2 Ne7 10. Nf1 Ng6 11. Ng3 h6 12. h3 Re8 13. Qb3 Be6 14. Bxe6 Rxe6 15. Nf5 d5 16. Qc2 Nh5 17. g3 c6 18. Kh2 Qd7 19. Be3 Bxe3 20. Rxe3 c5 21. Ree1 d4 22. cxd4 cxd4 23. Rec1 Rc6 24. Qb3 Rac8 25. Qb5 Qc7 26. Rxc6 bxc6 27. Qc5 Kh7 28. Nd6 Qe7 29. Rc1 Rc7 30. Nb5 Rc8 31. Na7 Qf6 32. Nxc8 Qxf3 33. Qc2 Nhf4 34. Rg1 Nxd3 35. Qd1 Qxe4 36. Nd6 Qd5 37. Qxd3 Qxd6 38. Qe4 Kg8 39. Rc1 Ne7 40. f4 exf4 41. Qxf4 Qb4 42. Rf1 Qc4 43. Rf2 Ng6 44. Qe4 Qxa4 45. Qe8+ Kh7 46. Qxf7 d3 47. Qf5 Qd1 48. h4 h5 49. Rf3 Qe2+ 50. Kh3 Qe5 51. Qxd3 Qxb2 52. Rf5 Qc1 53. Rxh5+ Kg8 54. Qxg6 Qh1+ 55. Kg4 Qd1+ 56. Kf4 Qd2+ 57. Kf3 Qd1+ 58. Ke3 Qg1+ 59. Kd2 Qf2+ 60. Kc3 Qe1+ 61. Kd4 Qb4+ 62. Ke5 Qb8+ 63. Ke6 Qc8+ 64. Kd6 Qb8+ 65. Kxc6 Qc8+ 66. Kb5 Qb8+ 67. Kxa5 Qa8+ 68. Qa6 Qd8+ 69. Qb6 Qa8+ 70. Kb4 Qe4+ 71. Ka3 Qe7+ 72. Qb4 Qa7+ 73. Ra5 1-0

[Event "Berlin Radtke Memorial op"]
[Site "Berlin"]
[Date "2023.10.27"]
[Round "7"]
[White "Mierins, Emils Janis"]
[Black "Petersen, Marcel"]
[Result "1-0"]
[ECO "C60"]
[WhiteElo "2205"]
[BlackElo "2043"]
[PlyCount "91"]
[EventDate "2023.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 g6 5. 0-0 Nge7 6. c3 b5 7. Bc2 Bg7 8. d4 exd4 9. cxd4 0-0 10. Bg5 h6 11. Be3 d6 12. h3 Na5 13. Nbd2 c5 14. dxc5 dxc5 15. Bxc5 Bxb2 16. Rb1 Bg7 17. Nb3 Qxd1 18. Rfxd1 Nac6 19. Nbd4 Re8 20. a4 Nxd4 21. Nxd4 Bxd4 22. Rxd4 Be6 23. axb5 Rac8 24. Bxe7 axb5 25. Bf6 Rxc2 26. Rxb5 Rc4 27. Rxc4 Bxc4 28. Rc5 Bb3 29. f3 h5 30. Kf2 Kh7 31. g4 Re6 32. e5 Re8 33. Kg3 Be6 34. Kh4 Rc8 35. Ra5 hxg4 36. hxg4 Kg8 37. Kg5 Kf8 38. Ra3 Ke8 39. Rd3 Bd7 40. f4 Rc1 41. e6 fxe6 42. Kxg6 Rc4 43. Be5 Bc6 44. Kf6 Bd5 45. Rh3 Be4 46. Kxe6 1-0

[Event "Berlin Radtke Memorial op"]
[Site "Berlin"]
[Date "2023.10.26"]
[Round "5"]
[White "Engel, Robert"]
[Black "Petersen, Marcel"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2123"]
[BlackElo "2043"]
[PlyCount "50"]
[EventDate "2023.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. 0-0 h6 7. Re1 0-0 8. b4 Bb6 9. h3 Ne7 10. Nbd2 Ng6 11. Nf1 c6 12. Ng3 Bc7 13. Bb3 d5 14. Bb2 dxe4 15. dxe4 Nf4 16. Qc2 Qd3 17. Red1 Nxh3+ 18. gxh3 Qxf3 19. Kh2 Bb6 20. Rd2 Bxh3 21. Kxh3 Nh5 22. Rg1 Nf4+ 23. Kh2 Qg4 24. Rg2 Qh3+ 25. Kg1 Qxg2# 0-1

[Event "Berlin Radtke Memorial op"]
[Site "Berlin"]
[Date "2023.10.26"]
[Round "6"]
[White "Petersen, Marcel"]
[Black "Garbuz, Vitaliy"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2043"]
[BlackElo "2164"]
[PlyCount "77"]
[EventDate "2023.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. h3 Nf6 7. Qc2 h6 8. Nf3 Bd7 9. Be3 Rc8 10. a3 e6 11. Nbd2 Bd6 12. Rc1 0-0 13. 0-0 Qb8 14. Rfe1 Nh5 15. Nf1 Nf4 16. Bxf4 Bxf4 17. Rcd1 a5 18. Qe2 Bd6 19. Bb1 b5 20. Ne5 Nxe5 21. dxe5 Bc5 22. Qd3 g6 23. Ng3 Rfd8 24. h4 Qa7 25. Rd2 h5 26. b4 Be7 27. Nxh5 Qc7 28. Qe3 Kh7 29. Qf4 Be8 30. Re3 axb4 31. axb4 Qc4 32. Nf6+ Bxf6 33. Qxf6 Qb3 34. Bc2 Qa3 35. h5 Rxc3 36. hxg6+ fxg6 37. Rxc3 Qa1+ 38. Kh2 Qxc3 39. Rd3 1-0

[Event "Berlin Radtke Memorial op"]
[Site "Berlin"]
[Date "2023.10.25"]
[Round "4"]
[White "Petersen, Marcel"]
[Black "Baur, Philipp"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2043"]
[BlackElo "1937"]
[PlyCount "91"]
[EventDate "2023.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. 0-0 Ngf6 6. Qe2 Rc8 7. d4 cxd4 8. Nxd4 g6 9. c4 Bg7 10. Rd1 0-0 11. Nc3 a6 12. Na4 Qc7 13. b3 Nc5 14. Nc3 e6 15. Bb2 Rfd8 16. Rac1 Qa5 17. a3 Qb6 18. b4 Ncd7 19. Nb3 Qc7 20. Na4 Qc6 21. Na5 Qxa4 22. Nxb7 Rf8 23. Nxd6 Rb8 24. c5 Qc6 25. Nc4 Ne8 26. Na5 Qc7 27. Bxg7 Nxg7 28. Qxa6 Ne5 29. Qd6 Rfc8 30. f4 Nc6 31. Qxc7 Rxc7 32. Nxc6 Rxc6 33. Rd6 Rcc8 34. Rd4 Ne8 35. a4 Nc7 36. b5 Kf8 37. c6 Ke8 38. Rb1 Rb6 39. Rd7 Kf8 40. Kf2 Na8 41. a5 Rbb8 42. Rb7 Ke8 43. Rd1 Nc7 44. Rxb8 Rxb8 45. b6 Nb5 46. c7 1-0

[Event "Berlin Radtke Memorial op"]
[Site "Berlin"]
[Date "2023.10.24"]
[Round "3"]
[White "Korchynskyi, Mykola"]
[Black "Petersen, Marcel"]
[Result "1-0"]
[ECO "E34"]
[WhiteElo "2152"]
[BlackElo "2043"]
[PlyCount "87"]
[EventDate "2023.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. Bg5 h6 6. Bh4 c5 7. e3 cxd4 8. exd4 Nc6 9. Rd1 g5 10. Bg3 Qa5 11. a3 Bxc3+ 12. bxc3 Ne4 13. Ne2 Qxa3 14. f3 Nd6 15. Bxd6 Qxd6 16. c5 Qc7 17. Ng3 b6 18. cxb6 Qxb6 19. Rb1 Qa5 20. Bb5 Bd7 21. 0-0 Rc8 22. Bxc6 Bxc6 23. Rbc1 Bb5 24. Rf2 h5 25. f4 gxf4 26. Rxf4 Qd8 27. Re1 Qd7 28. Qf5 Kd8 29. Qe5 Rf8 30. Qg7 Kc7 31. Nxh5 a5 32. Nf6 Qd6 33. Rf2 Bd3 34. Ng4 Kb6 35. Ne5 Bf5 36. Qf6 Be4 37. c4 Qd8 38. c5+ Ka7 39. Qxd8 Rfxd8 40. Nxf7 Rf8 41. Nd6 Rb8 42. Ra2 Rb4 43. Rxa5+ Kb8 44. Rea1 1-0

[Event "Berlin Radtke Memorial op"]
[Site "Berlin"]
[Date "2023.10.24"]
[Round "2"]
[White "Petersen, Marcel"]
[Black "Gloeckler, Christian"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2043"]
[BlackElo "2334"]
[PlyCount "144"]
[EventDate "2023.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. a4 Ngf6 5. Nc3 g6 6. 0-0 Bg7 7. Re1 0-0 8. d4 cxd4 9. Nxd4 a6 10. Bf1 e6 11. a5 b5 12. axb6 Nxb6 13. Nb3 Qc7 14. Be3 Rd8 15. Nb5 axb5 16. Bxb6 Rxa1 17. Bxc7 Rxd1 18. Rxd1 Rd7 19. Ba5 Nxe4 20. Bxb5 Ra7 21. f3 Nc5 22. Rxd6 Nb7 23. Ra6 Rxa6 24. Bxa6 Nxa5 25. Bxc8 Nc4 26. Ba6 Nxb2 27. c4 Nd3 28. c5 Nb4 29. Bb7 Kf8 30. Kf2 Ke7 31. f4 Kd7 32. Ke3 h5 33. g3 Kc7 34. Bf3 Nd5+ 35. Bxd5 exd5 36. f5 g5 37. h3 Kc6 38. g4 h4 39. Kd3 Be5 40. Nd2 Kxc5 41. Nb3+ Kd6 42. Nd2 Bf6 43. Nf3 Kc5 44. Nd2 Be5 45. Nb3+ Kc6 46. Nd2 f6 47. Nf3 Kc5 48. Nd2 Bb2 49. Nf3 d4 50. Nd2 Kd5 51. Nc4 Bc1 52. Nb6+ Kc6 53. Nc4 Kc5 54. Na5 Bb2 55. Nc4 Bc3 56. Na3 Kd5 57. Nc4 Bb4 58. Nb6+ Kc6 59. Kc4 d3 60. Nd5 d2 61. Ne3 Bc5 62. Nd1 Bb6 63. Kd3 Ba5 64. Nb2 Kd5 65. Ke2 Ke4 66. Na4 Kf4 67. Nc5 Kg3 68. Ne4+ Kxh3 69. Nxf6 Kg2 70. Nd5 h3 71. f6 h2 72. f7 d1Q+ 0-1

[Event "Berlin Radtke Memorial op"]
[Site "Berlin"]
[Date "2023.10.23"]
[Round "1"]
[White "Hesse, Henrik"]
[Black "Petersen, Marcel"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2310"]
[BlackElo "2043"]
[PlyCount "103"]
[EventDate "2023.10.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. 0-0 0-0 6. d4 c5 7. cxd5 Nxd5 8. e4 Nf6 9. Nc3 cxd4 10. Nxd4 Nc6 11. Nxc6 bxc6 12. Bf4 Ba6 13. Re1 Qxd1 14. Rexd1 Rfd8 15. Bc7 Rd3 16. Bf1 Rxd1 17. Rxd1 Bxf1 18. Kxf1 Rc8 19. Bf4 h6 20. f3 Kf8 21. Ke2 Ke8 22. Na4 Nd7 23. Be3 e5 24. Bxa7 Nf8 25. Be3 Ra8 26. b3 Ne6 27. f4 f6 28. f5 Nc7 29. Rc1 Ra6 30. Rc2 Nb5 31. Kd3 Kd7 32. Nc5+ Bxc5 33. Bxc5 Ra8 34. a4 Nc7 35. Kc4 Ne8 36. Ra2 Kc7 37. a5 Kb7 38. b4 Rd8 39. a6+ Ka8 40. a7 Nd6+ 41. Bxd6 Rxd6 42. Kc5 Rd4 43. Ra6 Rxe4 44. Rxc6 Kxa7 45. Rc7+ Kb8 46. Rxg7 Re1 47. Kd6 Rh1 48. Ke6 Rxh2 49. Kxf6 h5 50. Kxe5 h4 51. gxh4 Rxh4 52. f6 1-0

[Event "Oberliga Nord O 2324"]
[Site "Germany"]
[Date "2023.10.22"]
[Round "1.4"]
[White "Raitza, Olaf"]
[Black "Petersen, Marcel"]
[Result "0-1"]
[ECO "C70"]
[WhiteElo "2057"]
[BlackElo "2138"]
[PlyCount "80"]
[EventDate "2023.10.22"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Oberschoeneweide"]
[BlackTeam "Berlin Mattnetz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 g6 5. d4 exd4 6. Nxd4 Bg7 7. Be3 Nge7 8. Nc3 b5 9. Bb3 Na5 10. Qf3 0-0 11. Nde2 Nec6 12. 0-0 Ne5 13. Qg3 Nec4 14. Bg5 f6 15. Bf4 d6 16. Rad1 Bb7 17. Bxc4+ Nxc4 18. b3 Nb6 19. Be3 Nc8 20. Nd4 Re8 21. Qg4 c5 22. Nde2 Qe7 23. Bxc5 f5 24. exf5 dxc5 25. f6 Qxf6 26. Qd7 Qc6 27. Qxc6 Bxc6 28. Rfe1 b4 29. Na4 Bxa4 30. bxa4 Nb6 31. Nf4 Bc3 32. Re3 Rad8 33. Rxd8 Rxd8 34. g3 Bd2 35. Re6 Bxf4 36. Rxb6 Be5 37. Rxa6 Rd2 38. Rc6 Rxc2 39. a5 Bd4 40. a6 Rxf2 0-1

[Event "Munich Pfingst op-A 1st"]
[Site "Munich"]
[Date "2023.06.01"]
[Round "2"]
[White "Peyrer, Konstantin"]
[Black "Petersen, Marcel"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2405"]
[BlackElo "2037"]
[PlyCount "65"]
[EventDate "2023.05.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d4 d6 6. c3 Nbd7 7. Nbd2 e5 8. e4 Qe7 9. Re1 Nb6 10. a4 a5 11. b3 Nfd7 12. Ba3 Re8 13. Rc1 Qe6 14. Bf1 f5 15. Bd3 f4 16. Nc4 Bh6 17. Rc2 Qg4 18. Be2 Qh3 19. Bf1 Qh5 20. Nfd2 Qxd1 21. Rxd1 fxg3 22. hxg3 Nxc4 23. Bxc4+ Kh8 24. Bb5 c6 25. Bd3 d5 26. exd5 cxd5 27. Bb5 Re6 28. c4 Nf6 29. dxe5 Rxe5 30. Bb2 Rf5 31. cxd5 Bg7 32. Rdc1 Bd7 33. Bxf6 1-0

[Event "Munich Pfingst op-A 1st"]
[Site "Munich"]
[Date "2023.05.31"]
[Round "1"]
[White "Petersen, Marcel"]
[Black "Fedorovsky, Michael"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2037"]
[BlackElo "2387"]
[PlyCount "71"]
[EventDate "2023.05.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 e5 6. c3 Nge7 7. d4 cxd4 8. cxd4 Nxd4 9. Nxd4 exd4 10. Bf4 Qb6 11. Qb3 0-0 12. Nd2 a6 13. Bc4 Qxb3 14. Bxb3 b5 15. Bd6 Re8 16. Nf3 h6 17. Ne5 Bxe5 18. Bxe5 Bb7 19. Bxd4 d5 20. exd5 Nxd5 21. Be5 Nb4 22. Rad1 Rad8 23. Rxd8 Rxd8 24. Bf6 Rc8 25. Bc3 Nd5 26. Bd2 h5 27. h4 Rd8 28. Bg5 Rd7 29. Re8+ Kg7 30. Bd2 f6 31. Rb8 Ne7 32. Bc3 Bd5 33. Rb6 Bxb3 34. Bxf6+ Kf7 35. Bxe7 Rxe7 36. axb3 1/2-1/2

[Event "GER CupT"]
[Site "Germany"]
[Date "2023.01.29"]
[Round "2.3"]
[White "Petersen, Marcel"]
[Black "Engel, Bruno"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "1990"]
[BlackElo "1884"]
[PlyCount "97"]
[EventDate "2023.01.28"]
[EventType "team-k.o."]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Oranienburg"]
[BlackTeam "Greifswald"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e5 4. 0-0 Bd6 5. Re1 Nge7 6. c3 0-0 7. a4 Bc7 8. d4 cxd4 9. cxd4 Nxd4 10. Nxd4 exd4 11. Qxd4 Nc6 12. Qd1 a6 13. Bf1 d6 14. Nc3 Be6 15. Nd5 Bxd5 16. Qxd5 Qf6 17. Ra3 Qe5 18. g3 Qxd5 19. exd5 Nb4 20. Rb3 a5 21. Bd2 Bb6 22. Re7 Bc5 23. Rxb7 Nxd5 24. Bc4 Nb4 25. Rf3 d5 26. Bxb4 Bxb4 27. Bxd5 Rad8 28. Rfxf7 Rxf7 29. Bxf7+ Kh8 30. h4 g6 31. Bc4 Rd1+ 32. Kg2 Re1 33. f4 Re7 34. Rb5 Kg7 35. Kf3 Be1 36. h5 gxh5 37. Rxh5 h6 38. Rd5 Bb4 39. g4 Rc7 40. b3 Re7 41. g5 hxg5 42. Rxg5+ Kf6 43. Rb5 Bd2 44. Rb6+ Kg7 45. f5 Re3+ 46. Kf2 Rh3 47. f6+ Kg6 48. f7+ Kg7 49. Rb8 1-0

[Event "GER CupT"]
[Site "Germany"]
[Date "2023.01.28"]
[Round "1.3"]
[White "Ellenberg, Ekkehard"]
[Black "Petersen, Marcel"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "2080"]
[BlackElo "1990"]
[PlyCount "78"]
[EventDate "2023.01.28"]
[EventType "team-k.o."]
[EventRounds "4"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Oranienburg"]
[BlackTeam "Berlin Mattnetz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 e5 4. d3 d5 5. 0-0 Ne7 6. c3 0-0 7. e4 c6 8. Nbd2 Nd7 9. Qc2 h6 10. d4 dxe4 11. Nxe5 Nxe5 12. dxe5 e3 13. fxe3 Bxe5 14. Nf3 Bg7 15. e4 Qb6+ 16. Kh1 Be6 17. Re1 c5 18. Be3 Qa5 19. Rac1 Nc6 20. b3 Rad8 21. Bf4 g5 22. Be3 Ne5 23. Nxe5 Bxe5 24. Bf3 Rd6 25. Kg2 Rfd8 26. Be2 f6 27. Red1 Rxd1 28. Bxd1 c4 29. Be2 b5 30. b4 Qa3 31. Bd2 Bf7 32. Be1 Bg6 33. Rd1 Re8 34. Bg4 Qa6 35. Bf3 Qc6 36. Kf2 Bc7 37. Bg2 Bxe4 38. Bxe4 Rxe4 39. Kg1 Rxe1+ 0-1

[Event "Pardubice Czech op-A 32nd"]
[Site "Pardubice"]
[Date "2021.07.31"]
[Round "9"]
[White "Koziorowicz, Michal"]
[Black "Petersen, Marcel"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2231"]
[BlackElo "1922"]
[PlyCount "85"]
[EventDate "2021.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 e6 3. Bg2 d5 4. 0-0 Bd6 5. d3 0-0 6. Nbd2 e5 7. e4 dxe4 8. dxe4 Bg4 9. Re1 Bc5 10. h3 Bxf3 11. Qxf3 c6 12. Nc4 Qc7 13. h4 b5 14. Ne3 Bxe3 15. Bxe3 Nbd7 16. Bf1 Rfd8 17. a4 a6 18. b3 Nf8 19. h5 Ne8 20. h6 g6 21. c4 bxa4 22. Rxa4 c5 23. b4 Ne6 24. Rea1 cxb4 25. Rxb4 Nd4 26. Bxd4 Rxd4 27. Rab1 Qe7 28. Rb7 Rd7 29. Rxd7 Qxd7 30. c5 Rc8 31. Bxa6 Ra8 32. Bc4 Rc8 33. Bd5 Kf8 34. Rb7 Rc7 35. c6 Qe7 36. Kg2 f6 37. Rb8 Qd6 38. Ra8 Ke7 39. Qb3 Kf8 40. Qb8 Qe7 41. f3 f5 42. g4 f4 43. Kh3 1-0

[Event "Pardubice Czech op-A 32nd"]
[Site "Pardubice"]
[Date "2021.07.29"]
[Round "7"]
[White "Kruse, Janik"]
[Black "Petersen, Marcel"]
[Result "1-0"]
[ECO "E46"]
[WhiteElo "2220"]
[BlackElo "1922"]
[PlyCount "65"]
[EventDate "2021.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nge2 Re8 6. a3 Bf8 7. Ng3 d5 8. cxd5 exd5 9. Bd3 c6 10. 0-0 Na6 11. b4 Nc7 12. b5 c5 13. dxc5 Bxc5 14. Bb2 Ng4 15. h3 Ne5 16. Rc1 Nxd3 17. Qxd3 Bf8 18. Rfd1 Be6 19. a4 Qg5 20. Nce2 Rec8 21. f4 Qh4 22. f5 Qxa4 23. fxe6 fxe6 24. Nd4 e5 25. Ndf5 e4 26. Qc3 Nxb5 27. Qe5 Rxc1 28. Rxc1 Qb3 29. Nh5 d4 30. Nhxg7 Kf7 31. Rf1 Qxb2 32. Nh6+ Kg6 33. Qf6# 1-0

[Event "Pardubice Czech op-A 32nd"]
[Site "Pardubice"]
[Date "2021.07.27"]
[Round "5"]
[White "Shpanko, Nadiia"]
[Black "Petersen, Marcel"]
[Result "1-0"]
[ECO "C60"]
[WhiteElo "2203"]
[BlackElo "1922"]
[PlyCount "87"]
[EventDate "2021.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 g6 5. 0-0 Bg7 6. c3 Nge7 7. d4 exd4 8. cxd4 b5 9. Bb3 0-0 10. Bg5 h6 11. Bh4 g5 12. Bxg5 hxg5 13. Nxg5 Bf6 14. Qh5 Bxg5 15. Qxg5+ Kh7 16. d5 Nd4 17. Qh5+ Kg8 18. d6 cxd6 19. f4 Nxb3 20. f5 f6 21. Rf3 Rf7 22. Rh3 Qb6+ 23. Kh1 Kf8 24. Qh8+ Ng8 25. Rg3 Bb7 26. axb3 Qf2 27. Nc3 Ke7 28. Nd5+ Bxd5 29. exd5 Re8 30. Rxg8 Rxg8 31. Qxg8 a5 32. h3 Rf8 33. Qg7+ Rf7 34. Qg6 Rf8 35. Rb1 b4 36. Qg7+ Rf7 37. Qh6 Rf8 38. Rc1 Rf7 39. Kh2 Qxf5 40. Re1+ Kd8 41. Qh8+ Kc7 42. Rc1+ Kb6 43. Qb8+ Ka6 44. Qxd6+ 1-0

[Event "Pardubice Czech op-A 32nd"]
[Site "Pardubice"]
[Date "2021.07.26"]
[Round "4"]
[White "Ciolek, Andreas"]
[Black "Petersen, Marcel"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2247"]
[BlackElo "1922"]
[PlyCount "158"]
[EventDate "2021.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd2 Nf6 6. b3 g6 7. Bb2 Bg7 8. 0-0-0 Bd7 9. Nd5 Nh5 10. Be2 Bxb2+ 11. Kxb2 Ng7 12. h4 h5 13. Nf3 Rc8 14. Ng5 Ne6 15. g4 Qa5 16. Qxa5 Nxa5 17. gxh5 gxh5 18. Nxe6 Bxe6 19. Nf4 Bg4 20. Bxg4 hxg4 21. Rdg1 Nc6 22. Rxg4 Rh7 23. Rg8+ Kd7 24. Rxc8 Kxc8 25. Nd5 Rh5 26. Kc3 Kd8 27. Nf4 Rh6 28. Kd2 Nd4 29. Ng2 Rg6 30. Ne1 Ke8 31. c3 Nc6 32. h5 Rh6 33. f4 Nb8 34. Nf3 Nd7 35. e5 dxe5 36. fxe5 e6 37. Ke3 f6 38. Kf4 Kf7 39. exf6 Nxf6 40. Kg5 Kg7 41. Rh4 Nh7+ 42. Kf4 Nf6 43. Ke5 Kf7 44. Kd6 Ke8 45. Kxe6 Nxh5+ 46. Ke5 Rc6 47. c4 Nf6 48. Nd4 Ra6 49. a4 Nd7+ 50. Kd5 Nf6+ 51. Kc5 Nd7+ 52. Kb4 Rb6+ 53. Nb5 a6 54. a5 Rf6 55. Nc7+ Kd8 56. Nd5 Rf8 57. Rh7 Kc8 58. Kc3 Rd8 59. b4 Kb8 60. Kd4 Ka7 61. Re7 Nb8 62. b5 axb5 63. cxb5 Nd7 64. Re3 Rh8 65. Re7 Rh4+ 66. Kc3 Rh3+ 67. Ne3 Nf6 68. Kd4 Rh4+ 69. Kd3 Rh5 70. Kc4 Rh4+ 71. Kb3 Re4 72. Rxe4 Nxe4 73. Kc4 b6 74. a6 Nc5 75. Kd5 Nxa6 76. Kc6 Nc5 77. Nd5 Nb3 78. Nxb6 Nd4+ 79. Kc5 Nxb5 1/2-1/2

[Event "Pardubice Czech op-A 32nd"]
[Site "Pardubice"]
[Date "2021.07.25"]
[Round "3"]
[White "Petersen, Marcel"]
[Black "Hesse, Henrik"]
[Result "1/2-1/2"]
[ECO "B02"]
[WhiteElo "1922"]
[BlackElo "2225"]
[PlyCount "27"]
[EventDate "2021.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. Nc3 Nb6 4. d4 d6 5. exd6 cxd6 6. Nf3 g6 7. Be3 Bg7 8. Be2 Bf5 9. Qd2 h5 10. 0-0 0-0 11. Bh6 N8d7 12. Bxg7 Kxg7 13. Nh4 e6 14. Nxf5+ 1/2-1/2

[Event "Pardubice Czech op-A 32nd"]
[Site "Pardubice"]
[Date "2021.07.24"]
[Round "2"]
[White "Kusa, Jakub"]
[Black "Petersen, Marcel"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2315"]
[BlackElo "1922"]
[PlyCount "59"]
[EventDate "2021.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. a4 Ngf6 5. Nc3 g6 6. a5 Bg7 7. 0-0 0-0 8. Re1 a6 9. Bf1 e5 10. d3 h6 11. Nd2 Nb8 12. Nd5 Nc6 13. Nb6 Rb8 14. Nxc8 Qxc8 15. Nc4 Qe6 16. g3 Ne8 17. Bg2 Nc7 18. f4 Rbd8 19. f5 Qe7 20. Ne3 Kh7 21. Rf1 Bf6 22. c3 Bg5 23. h4 Bxe3+ 24. Bxe3 Nb5 25. Qd2 h5 26. Rf2 Rg8 27. Raf1 f6 28. Qe2 Qf7 29. fxg6+ Rxg6 30. Bg5 1-0

[Event "Berlin Lichtenrade op 15th"]
[Site "Berlin"]
[Date "2019.10.20"]
[Round "9"]
[White "Schnabel, Ralf"]
[Black "Petersen, Marcel"]
[Result "1-0"]
[ECO "B85"]
[WhiteElo "2235"]
[BlackElo "1818"]
[PlyCount "77"]
[EventDate "2019.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Be2 Be7 8. 0-0 0-0 9. f4 e5 10. fxe5 dxe5 11. Nf5 Bxf5 12. Rxf5 Nc6 13. Bd3 b5 14. a3 Rc8 15. Kh1 g6 16. Rf2 Nd4 17. Bh6 Re8 18. h3 Nh5 19. Qg4 Bh4 20. Rd2 Bf6 21. Nd5 Bg7 22. Bg5 f6 23. Be3 Ne6 24. Rf1 Qd6 25. Nb6 Qe7 26. Nxc8 Rxc8 27. c3 Rd8 28. Rfd1 Kf8 29. Bb1 Rxd2 30. Rxd2 Nhf4 31. Kh2 h5 32. Qd1 f5 33. exf5 gxf5 34. Bxf5 Bh6 35. g3 Qf6 36. Bxe6 Nxe6 37. Rf2 Nf4 38. gxf4 exf4 39. Bc5+ 1-0

[Event "Berlin Lichtenrade op 15th"]
[Site "Berlin"]
[Date "2019.10.19"]
[Round "8"]
[White "Petersen, Marcel"]
[Black "Verbitzky, Jaroslaw"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1818"]
[BlackElo "1853"]
[PlyCount "61"]
[EventDate "2019.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bf4 Bg4 7. f3 Bf5 8. g4 Be6 9. c5 g6 10. Bb5 Bg7 11. Nge2 0-0 12. a3 Ne8 13. b4 Nc7 14. Bxc6 bxc6 15. Qd2 f5 16. g5 Bf7 17. Bxc7 Qxc7 18. f4 Rfb8 19. 0-0 a5 20. Na4 axb4 21. axb4 Rb7 22. Ra2 Rba7 23. Rfa1 Qb7 24. Nb6 Rxa2 25. Rxa2 Ra6 26. Ra5 Rxa5 27. bxa5 Qa6 28. Kf2 Be6 29. Ke3 Bc8 30. Nxc8 Qxc8 31. Qd3 1-0

[Event "Berlin Lichtenrade op 15th"]
[Site "Berlin"]
[Date "2019.10.18"]
[Round "7"]
[White "Polatel, Ali"]
[Black "Petersen, Marcel"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2235"]
[BlackElo "1818"]
[PlyCount "81"]
[EventDate "2019.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. Nf3 b6 2. e4 c5 3. c3 Bb7 4. d3 g6 5. g3 Bg7 6. Bg2 d6 7. 0-0 e6 8. Nh4 Bf6 9. Nf3 h5 10. h4 Qc7 11. Na3 a6 12. Re1 Nd7 13. d4 0-0-0 14. Qe2 e5 15. dxe5 dxe5 16. Bg5 b5 17. b4 c4 18. Rad1 Nf8 19. Nc2 Bxg5 20. hxg5 Ne7 21. Rxd8+ Kxd8 22. a4 Nc8 23. axb5 axb5 24. Qe3 Ne6 25. Ra1 Ke7 26. Ra5 Bc6 27. Na3 Qb8 28. Bh3 Rd8 29. Bxe6 Kxe6 30. Ne1 Rd7 31. Qf3 Ra7 32. Qf6+ Kd7 33. Nf3 Qd6 34. Rxa7+ Nxa7 35. Qxf7+ Kc8 36. Qxa7 Bxe4 37. Qe3 Bc6 38. Nc2 Qd3 39. Nce1 Qd1 40. Nxe5 Bb7 41. Nxg6 1-0

[Event "Berlin Lichtenrade op 15th"]
[Site "Berlin"]
[Date "2019.10.17"]
[Round "6"]
[White "Petersen, Marcel"]
[Black "Federau, Juergen"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "1818"]
[BlackElo "2083"]
[PlyCount "105"]
[EventDate "2019.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. f4 Nc6 10. f5 b5 11. a3 Bb7 12. Be3 Rc8 13. Bf3 Na5 14. Nxa5 Qxa5 15. Qd3 Qc7 16. g4 h6 17. Rac1 Qc4 18. h3 Rfe8 19. Rfe1 Qxd3 20. cxd3 Nd7 21. b4 Bg5 22. Bxg5 hxg5 23. Bd1 Rc7 24. Bb3 Rec8 25. Ne2 Rxc1 26. Rxc1 Rxc1+ 27. Nxc1 Nf6 28. Ne2 d5 29. exd5 Bxd5 30. Bc2 Kf8 31. Nc3 Ke7 32. Kf2 Kd6 33. Kg3 Nd7 34. Bd1 f6 35. h4 gxh4+ 36. Kxh4 Nb6 37. Kg3 Bc6 38. Bb3 Bb7 39. Kh4 Nc8 40. a4 bxa4 41. Nxa4 Bc6 42. Nc3 Ne7 43. Bc4 Bb7 44. Kh5 Bf3 45. Ne4+ Bxe4 46. dxe4 Nc6 47. Kg6 Nxb4 48. Kxg7 a5 49. Kxf6 a4 50. g5 a3 51. g6 Nc6 52. g7 Ne7 53. g8Q 1-0

[Event "Berlin Lichtenrade op 15th"]
[Site "Berlin"]
[Date "2019.10.16"]
[Round "5"]
[White "Jaeger, Andre"]
[Black "Petersen, Marcel"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "1865"]
[BlackElo "1818"]
[PlyCount "50"]
[EventDate "2019.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 f5 2. Bg5 h6 3. Bh4 g5 4. Bg3 Nf6 5. e3 d6 6. Nc3 Bg7 7. h4 g4 8. h5 0-0 9. Nge2 Re8 10. Nf4 Kh7 11. d5 c6 12. Ne6 Bxe6 13. dxe6 Qc8 14. Qd3 Qxe6 15. 0-0-0 Na6 16. f3 Nb4 17. Qc4 Qxe3+ 18. Kb1 Nfd5 19. Bd3 Nxc3+ 20. bxc3 Nxd3 21. Rxd3 Qg5 22. f4 Qf6 23. Bh4 d5 24. Qc5 Qd6 25. Bxe7 Qxe7 0-1

[Event "Berlin Lichtenrade op 15th"]
[Site "Berlin"]
[Date "2019.10.15"]
[Round "4"]
[White "Petersen, Marcel"]
[Black "Bergmann, Jens"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1818"]
[BlackElo "1856"]
[PlyCount "49"]
[EventDate "2019.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 e5 3. dxe5 dxe5 4. Qxd8+ Kxd8 5. f4 Nc6 6. c3 Bd6 7. fxe5 Nxe5 8. Nf3 Nf6 9. Bg5 Ke7 10. Nbd2 h6 11. Bh4 Rd8 12. Nxe5 Bxe5 13. Nf3 g5 14. Nxe5 gxh4 15. Bc4 Be6 16. 0-0 Rd2 17. Bxe6 Kxe6 18. Nc4 Re2 19. Rae1 Rxe1 20. Rxe1 Rd8 21. e5 Nh7 22. a4 a6 23. a5 Ng5 24. h3 Rd3 25. Re2 1/2-1/2

[Event "Berlin Lichtenrade op 15th"]
[Site "Berlin"]
[Date "2019.10.14"]
[Round "3"]
[White "Starostits, Ilmars"]
[Black "Petersen, Marcel"]
[Result "1-0"]
[ECO "C90"]
[WhiteElo "2479"]
[BlackElo "1818"]
[PlyCount "141"]
[EventDate "2019.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. 0-0 Be7 6. c3 0-0 7. Re1 Bg4 8. h3 Bh5 9. Nbd2 a6 10. Ba4 b5 11. Bb3 Nb8 12. Nf1 c6 13. g4 Bg6 14. Ng3 Nbd7 15. h4 h5 16. g5 Ng4 17. Nh2 Nxh2 18. Kxh2 Nc5 19. Nxh5 Nxb3 20. axb3 f6 21. gxf6 Bxf6 22. Rg1 Bxh5 23. Qxh5 Bxh4 24. Rxg7+ Kxg7 25. Bh6+ Kf6 26. Qxh4+ Ke6 27. Qh3+ Ke7 28. Bg5+ Rf6 29. Bxf6+ Kxf6 30. Rxa6 Qc8 31. Qxc8 Rxc8 32. Kg3 Ke6 33. b4 d5 34. Kf3 Kd6 35. b3 Rh8 36. exd5 Kxd5 37. Ke3 Kd6 38. c4 Kc7 39. Ke4 Rh2 40. Kxe5 Rxf2 41. Kd4 Kb7 42. Ra1 Kb6 43. Rh1 Rf6 44. Rh7 Rd6+ 45. Kc3 Rg6 46. Rd7 Ka6 47. Kd4 Rg5 48. Rd6 Kb7 49. Rh6 Kb6 50. Ke4 Rg4+ 51. Ke5 Rg3 52. Kd4 Rg5 53. Rh3 Rg1 54. Rh5 Rg4+ 55. Kc3 Rg6 56. Rc5 Rg3 57. Kd4 Rg4+ 58. Kc3 Rg3 59. Re5 Rg6 60. Re3 Rg5 61. d4 Rh5 62. Rd3 Kc7 63. d5 Kd7 64. dxc6+ Kxc6 65. Rg3 Rh6 66. Rg5 Rh3+ 67. Kb2 Rh2+ 68. Ka3 bxc4 69. bxc4 Rc2 70. b5+ Kb6 71. Rg6+ 1-0

[Event "Berlin Lichtenrade op 15th"]
[Site "Berlin"]
[Date "2019.10.13"]
[Round "2"]
[White "Petersen, Marcel"]
[Black "Tham, Minh"]
[Result "1-0"]
[ECO "C28"]
[WhiteElo "1818"]
[BlackElo "1856"]
[PlyCount "51"]
[EventDate "2019.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. Nc3 Nf6 4. d3 Bc5 5. Bg5 Na5 6. Nd5 Nxc4 7. Bxf6 gxf6 8. dxc4 c6 9. Ne3 d6 10. Qd3 Be6 11. 0-0-0 Qd7 12. Ne2 0-0-0 13. Ng3 Rhg8 14. Rhg1 Kb8 15. a3 Bxe3+ 16. fxe3 d5 17. cxd5 cxd5 18. exd5 Qxd5 19. Qxd5 Bxd5 20. Nh5 Kc8 21. Nxf6 Rxg2 22. Nxd5 Rxg1 23. Ne7+ Kc7 24. Rxg1 Kd6 25. Nf5+ Ke6 26. e4 1-0

[Event "Pardubice Czech op-C 30th"]
[Site "Pardubice"]
[Date "2019.07.27"]
[Round "9"]
[White "Zurkowski, Andrzej"]
[Black "Petersen, Marcel"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2065"]
[BlackElo "1616"]
[PlyCount "39"]
[EventDate "2019.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 f5 2. g4 fxg4 3. h3 d5 4. Qd3 Nf6 5. Nc3 Nc6 6. Bf4 a6 7. 0-0-0 Nb4 8. Qd2 Bf5 9. a3 Nc6 10. hxg4 Nxg4 11. Bg3 e6 12. f3 Nf6 13. Bg2 Qd7 14. e4 Bg6 15. Nge2 0-0-0 16. Nf4 Be7 17. exd5 exd5 18. Nd3 Nxd4 19. Ne5 Qf5 20. Bh3 1-0

[Event "Pardubice Czech op-C 30th"]
[Site "Pardubice"]
[Date "2019.07.26"]
[Round "8"]
[White "Petersen, Marcel"]
[Black "Avetisyan, Aleksey"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1616"]
[BlackElo "2008"]
[PlyCount "73"]
[EventDate "2019.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 Be6 7. c5 g6 8. Bb5 Bg7 9. Ne5 Bd7 10. 0-0 0-0 11. Bxc6 bxc6 12. f3 Qc8 13. Re1 Re8 14. Qa4 Qb7 15. b4 a6 16. Bd2 Rec8 17. Qb3 Ne8 18. Na4 f6 19. Nxd7 Qxd7 20. Nb6 Qc7 21. Re6 Ra7 22. Rxe7 Qxe7 23. Nxc8 Qe2 24. Nxa7 Qxd2 25. Nxc6 Nc7 26. Rd1 Qe2 27. a4 Bh6 28. Qd3 Qa2 29. a5 Qa4 30. Nb8 Qxb4 31. Nxa6 Qxa5 32. Nxc7 Qxc7 33. Re1 Bf8 34. Qa6 Kg7 35. g3 Qb8 36. c6 Qb4 37. Qb7+ 1-0

[Event "Pardubice Czech op-C 30th"]
[Site "Pardubice"]
[Date "2019.07.25"]
[Round "7"]
[White "Leshchyshak, Igor"]
[Black "Petersen, Marcel"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "2041"]
[BlackElo "1616"]
[PlyCount "62"]
[EventDate "2019.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. c3 d3 6. Qxd3 d6 7. b4 Bb6 8. a4 a5 9. b5 Nce7 10. 0-0 h6 11. Be3 Bxe3 12. Qxe3 Nf6 13. Rd1 c6 14. Qd4 d5 15. e5 Ne4 16. Nbd2 Nf5 17. Qd3 Nc5 18. Qe2 dxc4 19. Nxc4 Qe7 20. g4 Nh4 21. Nd6+ Kf8 22. Nd4 Ng6 23. Qc4 Ne6 24. N4f5 Qg5 25. bxc6 Nxe5 26. cxb7 Bxb7 27. Qb5 Qxg4+ 28. Ng3 Nf3+ 29. Kh1 Qh3 30. Nf1 Nxh2+ 31. Qxb7 Nf3+ 0-1

[Event "Pardubice Czech op-C 30th"]
[Site "Pardubice"]
[Date "2019.07.24"]
[Round "6"]
[White "Petersen, Marcel"]
[Black "Borovicka, Bohumil"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1616"]
[BlackElo "1960"]
[PlyCount "51"]
[EventDate "2019.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 c6 6. Bc4 Bg4 7. Bxf7+ Kxf7 8. Ng5+ Kg8 9. f3 Bh5 10. Qd3 Bg6 11. Qc4+ Nd5 12. 0-0 h6 13. Nge4 Qb4 14. Qd3 Nd7 15. Bd2 Qb6 16. f4 e6 17. Rae1 c5 18. f5 Bf7 19. fxe6 Bxe6 20. dxc5 Bxc5+ 21. Nxc5 Qxc5+ 22. Kh1 Nc7 23. Rxe6 Nxe6 24. Qxd7 Nf8 25. Qf7+ Kh7 26. Ne4 1-0

[Event "Pardubice Czech op-C 30th"]
[Site "Pardubice"]
[Date "2019.07.23"]
[Round "5"]
[White "Khudovekov, Stanislav"]
[Black "Petersen, Marcel"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "2027"]
[BlackElo "1616"]
[PlyCount "81"]
[EventDate "2019.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 g6 4. h4 Bg7 5. h5 Nxh5 6. e4 e6 7. exf5 exf5 8. Rxh5 Qe7+ 9. Be3 gxh5 10. Nd5 Qf7 11. Nxc7+ Kd8 12. Nxa8 f4 13. Bd2 b6 14. Qf3 Nc6 15. Bxf4 Qe7+ 16. Ne2 Bb7 17. 0-0-0 Bxa8 18. d5 Qf6 19. Nc3 Nb4 20. Kb1 Rf8 21. g3 Bh6 22. a3 Na6 23. Qxh5 Bxf4 24. gxf4 Qxf4 25. Qxh7 Nc5 26. b4 Qe5 27. Qc2 Rf3 28. Rc1 Nb7 29. Bg2 Rf8 30. Ne4 Nd6 31. Nxd6 Qxd6 32. Be4 Qe5 33. f3 d6 34. Qb2 Qg5 35. Qd4 Rg8 36. c5 bxc5 37. bxc5 Ke7 38. cxd6+ Kxd6 39. Qc5+ Ke5 40. Qc7+ Kf6 41. Qd6+ 1-0

[Event "Pardubice Czech op-C 30th"]
[Site "Pardubice"]
[Date "2019.07.22"]
[Round "4"]
[White "Lhotsky, Frantisek"]
[Black "Petersen, Marcel"]
[Result "0-1"]
[ECO "A81"]
[WhiteElo "1913"]
[BlackElo "1616"]
[PlyCount "58"]
[EventDate "2019.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. 0-0 0-0 6. b3 c5 7. e3 Ne4 8. Bb2 d5 9. Nbd2 Nc6 10. c4 e6 11. cxd5 exd5 12. a3 cxd4 13. Nxd4 Nxd4 14. Bxd4 Bxd4 15. exd4 Bd7 16. a4 Rc8 17. Rc1 Qb6 18. Re1 Rxc1 19. Qxc1 Qxd4 20. Nxe4 fxe4 21. Re2 Rc8 22. Qe1 Bg4 23. Rd2 Qb4 24. h3 Rc2 25. Re2 Qxe1+ 26. Rxe1 Be2 27. Bf1 Bf3 28. Bg2 Bxg2 29. Kxg2 Kf7 0-1

[Event "Pardubice Czech op-C 30th"]
[Site "Pardubice"]
[Date "2019.07.22"]
[Round "3"]
[White "Petersen, Marcel"]
[Black "Soural, Karel"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1616"]
[BlackElo "1935"]
[PlyCount "143"]
[EventDate "2019.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nc3 d6 5. Nf3 Na5 6. Bb3 Nxb3 7. axb3 Be7 8. h3 0-0 9. 0-0 c5 10. Bg5 Be6 11. Qd2 Nh5 12. Ne2 f6 13. Be3 g5 14. g4 Ng7 15. c4 h5 16. Nh2 hxg4 17. hxg4 Kf7 18. f3 Rh8 19. Rf2 a5 20. Nc3 b6 21. Qe2 Rh3 22. Nf1 Qh8 23. Rh2 Qh6 24. Qg2 Rh8 25. Rxh3 Qxh3 26. Qxh3 Rxh3 27. Kg2 Rh8 28. Ng3 Ne8 29. Na4 Bd8 30. Bd2 Ng7 31. Nf1 Bd7 32. Ne3 Bc6 33. Nc3 Ne6 34. Nf5 Bc7 35. Be3 Ng7 36. Ng3 Bd8 37. Nce2 Bc7 38. Nc3 Bd8 39. Rh1 Rxh1 40. Kxh1 Bd7 41. Nge2 Ne6 42. Nd5 Nd4 43. Bxd4 cxd4 44. Kg2 b5 45. Kf2 bxc4 46. bxc4 Ba4 47. Ke1 Ke6 48. Nc1 Kd7 49. b3 Bc6 50. Kd2 Kc8 51. Kc2 Kb7 52. Ne2 Bxd5 53. exd5 Kb6 54. Kb2 Be7 55. Ng3 Kc5 56. Ka3 Kb6 57. Ne4 Ka6 58. c5 dxc5 59. d6 Bf8 60. Nxc5+ Kb5 61. Ne4 Ka6 62. Ka4 Kb6 63. Nxf6 Bxd6 64. Ne4 Be7 65. Nd2 Bb4 66. Nc4+ Ka6 67. Nxe5 Bd2 68. Nd7 Bb4 69. Nf6 Be7 70. Nd5 Bd6 71. Nf6 Be7 72. Ne8 1-0

[Event "JBLN Ost 1819"]
[Site "Germany"]
[Date "2019.03.03"]
[Round "9.5"]
[White "Petersen, Marcel"]
[Black "Boettcher, Tim"]
[Result "1-0"]
[ECO "C25"]
[WhiteElo "1616"]
[BlackElo "1307"]
[PlyCount "101"]
[EventDate "2018.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]
[WhiteTeam "Berlin Mattnetz"]
[BlackTeam "Falkensee Caissa"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Bc4 Nc6 3. Nc3 Bc5 4. Qg4 g6 5. Qg3 d6 6. d3 Nd4 7. Bb3 Be6 8. Kd1 Qe7 9. Nge2 Nxe2 10. Nxe2 0-0-0 11. Bxe6+ Qxe6 12. Be3 Bxe3 13. Qxe3 b6 14. c4 Nf6 15. f3 c5 16. Kd2 Nd7 17. Nc3 Nb8 18. a3 Nc6 19. b4 Nd4 20. Rhb1 Kc7 21. Nd5+ Kb7 22. a4 Ra8 23. a5 f5 24. bxc5 dxc5 25. exf5 gxf5 26. axb6 axb6 27. Rxa8 Rxa8 28. Rxb6+ Qxb6 29. Nxb6 Kxb6 30. Qxe5 Ra2+ 31. Kc1 Rxg2 32. Qd6+ Kb7 33. Qe7+ Kb6 34. Qxh7 f4 35. Qh5 Kc6 36. Kd1 Rg1+ 37. Kd2 Rh1 38. h3 Rh2+ 39. Ke1 Nc2+ 40. Kf1 Ne3+ 41. Kg1 Ra2 42. Qh6+ Kb7 43. Qxf4 Nc2 44. Qf7+ Kb6 45. Qf8 Ra5 46. Qd8+ Ka6 47. h4 Nd4 48. Kg2 Ra2+ 49. Kg3 Nf5+ 50. Kf4 Nd4 51. Qa8+ 1-0

[Event "JBLN Ost 1819"]
[Site "Germany"]
[Date "2019.01.12"]
[Round "5.6"]
[White "Petersen, Marcel"]
[Black "Moebius, Fabian"]
[Result "1-0"]
[ECO "C27"]
[WhiteElo "1797"]
[BlackElo "1518"]
[PlyCount "59"]
[EventDate "2018.09.29"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]
[WhiteTeam "Berlin Mattnetz"]
[BlackTeam "Anhalt"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Nc3 d6 5. Bg5 c6 6. a3 0-0 7. Nf3 Bg4 8. h3 Be6 9. Qe2 Bxc4 10. dxc4 Nbd7 11. 0-0 a5 12. Rfd1 Qb8 13. a4 Qd8 14. b3 Qe7 15. Na2 Qe6 16. c3 Bb6 17. Rab1 Nc5 18. Bxf6 Qxf6 19. Nc1 Rfd8 20. Nd3 Ne6 21. Rd2 Nf4 22. Nxf4 Qxf4 23. Rbd1 Bc5 24. Ne1 Qf6 25. Nd3 Bb6 26. Nb2 Bc5 27. Rd3 Qg6 28. Rf3 Rd7 29. Nd3 Bb6 30. Nxe5 1-0

[Event "GER-chT U16"]
[Site "Neumarkt in der Oberpfalz"]
[Date "2016.12.30"]
[Round "7.4"]
[White "Kokshenyev, Michael"]
[Black "Petersen, Marcel"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1363"]
[BlackElo "1775"]
[PlyCount "154"]
[EventDate "2016.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Karlsruhe SF"]
[BlackTeam "Berlin Mattnetz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 d5 9. exd5 Nxd5 10. 0-0 0-0 11. Re1 Be6 12. h3 Re8 13. Nb3 Qf6 14. Nc5 Na5 15. Bxd5 Bxd5 16. Rxe8+ Rxe8 17. Qa4 Nc6 18. Ne5 Re7 19. Nxc6 Bxc6 20. Qxa7 Qxd4 21. Qa3 Qd5 22. f3 Qd4+ 23. Kh1 b6 24. Nd3 Re3 25. Re1 Rxe1+ 26. Nxe1 Qd2 27. Qc3 Qxc3 28. bxc3 f6 29. Kg1 Kf7 30. Kf2 Ke6 31. Ke3 Bd5 32. a3 c5 33. f4 b5 34. g3 Kd6 35. Kd2 Be4 36. h4 f5 37. Nc2 Bxc2 38. Kxc2 Kd5 39. Kd3 g6 40. c4+ Kc6 41. cxb5+ Kxb5 42. Kc3 Ka4 43. Kc4 Kxa3 44. Kxc5 Kb3 45. Kd4 Kc2 46. Ke5 Kd3 47. Kf6 Ke3 48. Kg7 Kf3 49. Kxh7 Kxg3 50. Kxg6 Kxf4 51. h5 Kg4 52. h6 f4 53. h7 f3 54. h8Q f2 55. Qd4+ Kg3 56. Qe5+ Kg2 57. Qe2 Kg1 58. Qg4+ Kh1 59. Qf3+ Kg1 60. Qe3 Kg2 61. Qg5+ Kh1 62. Qh4+ Kg1 63. Qg3+ Kh1 64. Qf3+ Kg1 65. Qe3 Kh1 66. Qc1+ Kg2 67. Qd2 Kh1 68. Qd1+ Kg2 69. Qe2 Kg1 70. Qg4+ Kh1 71. Qe4+ Kg1 72. Qb1+ Kg2 73. Qc2 Kg1 74. Qc5 Kg2 75. Qc2 Kg1 76. Qc5 Kg2 77. Qc2 Kg1 1/2-1/2

[Event "GER-chT U16"]
[Site "Neumarkt in der Oberpfalz"]
[Date "2016.12.29"]
[Round "6.4"]
[White "Petersen, Marcel"]
[Black "Hoffmann, Lennard"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "1775"]
[BlackElo "1877"]
[PlyCount "90"]
[EventDate "2016.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Berlin Mattnetz"]
[BlackTeam "Magdeburg Aufbau Elbe"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. Nc3 e6 6. Be3 a6 7. a3 Nf6 8. Be2 Be7 9. Qd2 b5 10. Bf3 Bb7 11. 0-0 Ne5 12. Bf4 d6 13. Bxe5 dxe5 14. Nb3 0-0 15. Qe2 Rfd8 16. Rfd1 Ne8 17. Qe3 Rdc8 18. g3 Nd6 19. Be2 h6 20. h4 f5 21. f3 Nc4 22. Qc1 f4 23. Kh2 Qb6 24. Rf1 Ne3 25. Rg1 Qd8 26. Kh3 Rc6 27. Bd3 Rac8 28. Nd2 fxg3 29. Ndb1 Nc4 30. Bxc4 bxc4 31. Rxg3 Bxh4 32. Rg2 Bg5 33. Qe1 Qe8 34. Rg1 Qh5+ 35. Kg2 Rf8 36. Qg3 Rf6 37. Rh1 Qf7 38. Kf2 Rd6 39. Rh3 Qc7 40. Kg2 Qb6 41. Na4 Qe3 42. Rh1 Bf4 43. Qg4 Qe2+ 44. Kh3 Be3 45. Kg3 Qf2+ 0-1

[Event "GER-chT U16"]
[Site "Neumarkt in der Oberpfalz"]
[Date "2016.12.29"]
[Round "5.4"]
[White "Petersen, Marcel"]
[Black "Scholz, Sebastian"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "1775"]
[BlackElo "1676"]
[PlyCount "108"]
[EventDate "2016.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Berlin Mattnetz"]
[BlackTeam "Halver Schalksmuehle"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Bd3 c4 9. Bf1 Bd7 10. Qg4 g6 11. Qd1 Qa5 12. Ne2 Ba4 13. Bg5 h6 14. Bh4 Nc6 15. f4 Nge7 16. g4 Kd7 17. Bg2 Rhg8 18. Qd2 Raf8 19. h3 a6 20. 0-0 Na7 21. Rf3 Nb5 22. Ra2 Nc6 23. Ra1 Nc7 24. f5 g5 25. Bg3 Qb6 26. Raf1 Ke7 27. fxe6 fxe6 28. Rf6 Rxf6 29. exf6+ Kf7 30. h4 Ne8 31. Nc1 Rg6 32. Kh2 Qd8 33. hxg5 hxg5 34. Be5 Nxe5 35. dxe5 Qc7 36. Qe2 Rxf6 37. Rxf6+ Nxf6 38. Kh1 Nd7 39. Qf2+ Ke7 40. Ne2 Qxe5 41. Nd4 Nf6 42. Bf3 Ne4 43. Bxe4 Qxe4+ 44. Qg2 Qe1+ 45. Kh2 Qxc3 46. Qf2 Qxa3 47. Qe2 Qd6+ 48. Kh3 Kd7 49. Qe3 Qe7 50. Qc3 Qh7+ 51. Kg3 Qe4 52. Qb2 b5 53. Nf3 Qf4+ 54. Kf2 e5 0-1

[Event "GER-chT U16"]
[Site "Neumarkt in der Oberpfalz"]
[Date "2016.12.28"]
[Round "4.4"]
[White "Bruell, Elias"]
[Black "Petersen, Marcel"]
[Result "1/2-1/2"]
[ECO "B76"]
[WhiteElo "1551"]
[BlackElo "1775"]
[PlyCount "95"]
[EventDate "2016.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Regensburg Bavaria"]
[BlackTeam "Berlin Mattnetz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Bc4 Bd7 9. Qd2 h5 10. 0-0-0 Nc6 11. Kb1 a6 12. h4 Ne5 13. Bb3 b5 14. Rdg1 Rc8 15. Bh6 Nc4 16. Bxc4 Rxc4 17. Bxg7 Kxg7 18. g4 Rh8 19. gxh5 Rxh5 20. Rg5 Rc5 21. Nd5 Nxd5 22. Rxd5 Rcxd5 23. exd5 Rxd5 24. h5 Qh8 25. h6+ Kh7 26. Qf4 Qf6 27. Qxf6 exf6 28. Ne2 Rh5 29. Rd1 Bc6 30. Rxd6 Bxf3 31. Nc1 a5 32. Rxf6 Bd5 33. b3 Kxh6 34. Nd3 Kg5 35. Ra6 Be4 36. Rxa5 Bxd3 37. cxd3 Kf4 38. Kc2 b4 39. Ra4 Rb5 40. a3 g5 41. Rxb4+ Rxb4 42. axb4 Ke5 43. Kd2 Kd4 44. Ke2 g4 45. Kf2 f5 46. Kg3 Kd5 47. Kf4 Kc6 48. d4 1/2-1/2

[Event "GER-chT U16"]
[Site "Neumarkt in der Oberpfalz"]
[Date "2016.12.28"]
[Round "3.4"]
[White "Petersen, Marcel"]
[Black "Knuepfer, Tim"]
[Result "0-1"]
[ECO "B77"]
[WhiteElo "1775"]
[BlackElo "1606"]
[PlyCount "90"]
[EventDate "2016.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Berlin Mattnetz"]
[BlackTeam "Leipzig SG"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Bc4 0-0 8. Bb3 Nc6 9. f3 Bd7 10. Qd2 Rb8 11. Nxc6 bxc6 12. Bxa7 Ra8 13. Be3 Qc7 14. Bh6 c5 15. Bxg7 Kxg7 16. Nd5 Nxd5 17. Bxd5 Ra7 18. g4 Bb5 19. h4 e6 20. Qc3+ Kg8 21. Bc4 Bxc4 22. Qxc4 d5 23. Qe2 Rb8 24. c3 dxe4 25. fxe4 Qg3+ 26. Kf1 Rab7 27. Rb1 Rd7 28. Rh2 Rbd8 29. Ra1 Rd3 30. g5 Re3 31. Qg2 Qf4+ 32. Kg1 Rg3 33. Rf1 Rxg2+ 34. Rxg2 Qxe4 35. a3 Qe3+ 36. Kh2 Rd2 37. Rfg1 Rd3 38. Rg3 Qf2+ 39. R1g2 Qf4 40. Kh3 c4 41. b4 Rxg3+ 42. Rxg3 e5 43. a4 e4 44. Kg2 e3 45. Rf3 Qe4 0-1

[Event "GER-chT U16"]
[Site "Neumarkt in der Oberpfalz"]
[Date "2016.12.27"]
[Round "1.4"]
[White "Petersen, Marcel"]
[Black "Greitmann, Niklas"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "1775"]
[BlackElo "1435"]
[PlyCount "117"]
[EventDate "2016.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Berlin Mattnetz"]
[BlackTeam "Bebenhausen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. 0-0 0-0 9. Bb3 d6 10. f3 Bd7 11. Qd2 Rac8 12. Nxc6 Bxc6 13. Bh6 Rfd8 14. Bxg7 Kxg7 15. Rad1 Qc7 16. Rf2 Re8 17. Nd5 Bxd5 18. exd5 Qc5 19. Kh1 Rc7 20. Re2 b5 21. Rde1 a6 22. Re3 Qa7 23. a4 Qb7 24. axb5 axb5 25. Ra1 Rc5 26. Rd3 Rec8 27. c3 Nd7 28. Rd4 Nb6 29. Kg1 Nc4 30. Bxc4 Rxc4 31. Qe3 Qb6 32. Rad1 R8c7 33. Kf2 Qb7 34. Ra1 R7c5 35. Rad1 Qa8 36. Qxe7 Rxd4 37. Rxd4 Rxd5 38. Qe4 Qa2 39. Qxd5 Qxb2+ 40. Rd2 Qxc3 41. Qd4+ Qxd4+ 42. Rxd4 b4 43. Rxd6 b3 44. Rb6 b2 45. Rxb2 Kf6 46. Rb5 h5 47. h4 Kg7 48. Ke3 Kf6 49. Kf4 Kg7 50. Rb6 f6 51. Ke4 Kf7 52. f4 Ke7 53. Kd5 Kf7 54. Rb7+ Kg8 55. Ke6 Kf8 56. Kxf6 Kg8 57. Kxg6 Kf8 58. Kf6 Ke8 59. Rh7 1-0

[Event "GER-chT U16"]
[Site "Neumarkt in der Oberpfalz"]
[Date "2016.12.27"]
[Round "2.4"]
[White "Scheidt, Mike Niklas"]
[Black "Petersen, Marcel"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1620"]
[BlackElo "1775"]
[PlyCount "42"]
[EventDate "2016.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Hagen"]
[BlackTeam "Berlin Mattnetz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Bf4 e6 3. Nf3 Bd6 4. e3 Bxf4 5. exf4 f5 6. Ne5 Nf6 7. Nd2 0-0 8. Be2 Ne4 9. Ndf3 Nd7 10. c3 c5 11. 0-0 c4 12. Re1 b5 13. a4 Qb6 14. Qc2 a5 15. Ra2 b4 16. Rb1 b3 17. Qc1 bxa2 18. Ra1 Rb8 19. Rxa2 Qb3 20. Ra1 Qxb2 21. Qd1 Nxc3 0-1

[Event "GER-chT U16"]
[Site "Lingen"]
[Date "2015.12.30"]
[Round "7.4"]
[White "Petersen, Marcel"]
[Black "Oberhofer, Marie"]
[Result "1/2-1/2"]
[ECO "B78"]
[WhiteElo "1632"]
[BlackElo "1553"]
[PlyCount "99"]
[EventDate "2015.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Berlin Mattnetz"]
[BlackTeam "Regensburg Bavaria"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Bc4 Nc6 9. Qd2 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. Kb1 a6 13. Bh6 b5 14. h4 Rc5 15. Bxg7 Kxg7 16. h5 Rh8 17. hxg6 hxg6 18. Qc1 Rxh1 19. Rxh1 Ng8 20. Qf4 Nc4 21. Bxc4 bxc4 22. Qg3 Nf6 23. f4 Rh5 24. Rxh5 Nxh5 25. Qe3 Qh8 26. e5 Kf8 27. exd6 exd6 28. Nd5 Kg7 29. a3 Qe8 30. Qxe8 Bxe8 31. f5 Bd7 32. fxg6 Kxg6 33. Nb6 Nf6 34. Nxc4 Ne4 35. Kc1 Kg5 36. Kd1 Kg4 37. Ke1 Kg3 38. Kf1 Bc8 39. Kg1 Be6 40. Ne3 Kf4 41. Nd1 Nd2 42. Nf2 Bd5 43. b3 Nb1 44. c4 Bb7 45. a4 Nd2 46. c5 dxc5 47. Nd3+ Ke4 48. Nxc5+ Kxd4 49. Nxb7 Nxb3 50. Nd6 1/2-1/2

[Event "GER-chT U16"]
[Site "Lingen"]
[Date "2015.12.29"]
[Round "5.4"]
[White "Petersen, Marcel"]
[Black "Schmitz, Fabian"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "1632"]
[BlackElo "1634"]
[PlyCount "48"]
[EventDate "2015.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Berlin Mattnetz"]
[BlackTeam "Duesseldorf Sued"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 c5 7. c3 Be7 8. 0-0 0-0 9. Bf4 cxd4 10. cxd4 Nxe4 11. Bxe4 Nf6 12. Bd3 b6 13. Rc1 Bb7 14. Be5 Rc8 15. Rxc8 Qxc8 16. Qe2 h6 17. h3 a6 18. Qe3 Nd5 19. Qd2 Nb4 20. Rc1 Qa8 21. a3 Bxf3 22. gxf3 Nxd3 23. Qxd3 Rc8 24. Rc3 Rxc3 1/2-1/2

[Event "GER-chT U16"]
[Site "Lingen"]
[Date "2015.12.28"]
[Round "4.4"]
[White "Knuepfer, Tim"]
[Black "Petersen, Marcel"]
[Result "1-0"]
[ECO "C51"]
[WhiteElo "1592"]
[BlackElo "1632"]
[PlyCount "59"]
[EventDate "2015.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Leipzig SG"]
[BlackTeam "Berlin Mattnetz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. a4 a5 6. b5 Nce7 7. Nxe5 d5 8. exd5 Nxd5 9. 0-0 Ngf6 10. Ba3 Be6 11. c3 Nf4 12. Bxe6 Nxe6 13. d4 Qd5 14. Nd2 Nxd4 15. cxd4 Bxd4 16. Nef3 Bxa1 17. Re1+ Kd8 18. Qxa1 Re8 19. Rc1 Kd7 20. Nf1 Kc8 21. Ne3 Qe6 22. Qc3 Qd7 23. Ne5 Ne4 24. Qb2 Qe6 25. N5c4 f6 26. Qc2 Kb8 27. Nd2 Ka7 28. Nxe4 Qxe4 29. Qxc7 Qe6 30. Bc5+ 1-0

[Event "GER-chT U16"]
[Site "Lingen"]
[Date "2015.12.27"]
[Round "1.4"]
[White "Petersen, Marcel"]
[Black "Karabueguel, Okan"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "1632"]
[BlackElo "1541"]
[PlyCount "99"]
[EventDate "2015.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Berlin Mattnetz"]
[BlackTeam "Horst Emscher"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 4. Bg5 d5 5. Bxd5 Bxf2+ 6. Kf1 Nxd5 7. exd5 Qxg5 8. Kxf2 Qf4+ 9. Nf3 Bg4 10. Qd2 Qf6 11. Qe3 Bxf3 12. gxf3 Nd7 13. Re1 0-0 14. Nc3 Rfe8 15. Ne4 Qb6 16. Qxb6 Nxb6 17. c4 Nd7 18. b4 a5 19. a3 Ra6 20. Rg1 Rh6 21. Rg2 Ra8 22. Rag1 Rg6 23. Rxg6 hxg6 24. Rb1 axb4 25. Rxb4 f5 26. Ng5 Nc5 27. Ke2 Rxa3 28. Rb5 Ra2+ 29. Kf1 b6 30. d6 cxd6 31. Rxb6 Kf8 32. Rxd6 Rd2 33. Rd5 Nb3 34. c5 Rc2 35. Rxe5 Nxc5 36. Rxc5 Rxh2 37. Re5 Rd2 38. Re3 Rd1+ 39. Ke2 Rg1 40. f4 Rg2+ 41. Kd1 Rg1+ 42. Kd2 Ra1 43. Re5 Ra2+ 44. Ke3 Ra3 45. Re6 Ra1 46. d4 Ra3+ 47. Kd2 Ra2+ 48. Kc3 Rf2 49. Rxg6 Rf1 50. d5 1-0

[Event "GER-chT U14"]
[Site "Regensburg"]
[Date "2014.12.30"]
[Round "7.3"]
[White "Bruell, Elias"]
[Black "Petersen, Marcel"]
[Result "1-0"]
[ECO "B78"]
[WhiteElo "1685"]
[BlackElo "1591"]
[PlyCount "81"]
[EventDate "2014.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Regensburg Bavaria"]
[BlackTeam "Treptow"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Bd7 8. Qd2 Nc6 9. Bc4 Rc8 10. Bb3 0-0 11. 0-0-0 h5 12. Kb1 a6 13. Bh6 Ne5 14. Bxg7 Kxg7 15. h4 b5 16. g4 Rh8 17. g5 Ne8 18. f4 Nc4 19. Bxc4 Rxc4 20. f5 Rf8 21. Nd5 e6 22. f6+ Kh7 23. b3 Rc5 24. Ne7 Qa8 25. Qd3 b4 26. Ne2 Bb5 27. Qe3 Bxe2 28. Qxe2 Re5 29. Rd4 d5 30. Rxb4 dxe4 31. Rd1 Nc7 32. Rd7 Nb5 33. Kb2 e3 34. a4 Na7 35. Rbb7 Nc8 36. Nxc8 Qxc8 37. Rxf7+ Rxf7 38. Rxf7+ Kh8 39. Ra7 Qd8 40. Qxa6 Rc5 41. Ra8 1-0

[Event "GER-chT U14"]
[Site "Regensburg"]
[Date "2014.12.29"]
[Round "6.3"]
[White "Keyser, Philipp"]
[Black "Petersen, Marcel"]
[Result "1/2-1/2"]
[ECO "B76"]
[WhiteElo "1571"]
[BlackElo "1591"]
[PlyCount "90"]
[EventDate "2014.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Eppendorf Johanneum"]
[BlackTeam "Treptow"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Bd7 8. Qd2 Nc6 9. 0-0-0 0-0 10. Nd5 Rc8 11. Nxc6 Bxc6 12. Nxf6+ Bxf6 13. Bd4 Bxd4 14. Qxd4 Qa5 15. Kb1 Ba4 16. Bd3 Rfd8 17. g4 d5 18. e5 Be8 19. h4 Qc5 20. Qxc5 Rxc5 21. g5 e6 22. Rh2 Bb5 23. Bxb5 Rxb5 24. Rd4 Rc5 25. c3 Rdc8 26. Rc2 Rc4 27. a3 Kf8 28. Rcd2 Ke7 29. Rxc4 Rxc4 30. Rd4 b5 31. Rxc4 dxc4 32. Kc2 Kd7 33. Kd2 Kc6 34. Ke3 Kd5 35. f4 a5 36. Kf3 Kc5 37. Ke3 b4 38. axb4+ axb4 39. Ke4 bxc3 40. bxc3 Kc6 41. Ke3 Kb6 42. Kd2 Kb5 43. Kc1 Kb6 44. Kb2 Kc6 45. Ka3 Kb5 1/2-1/2

[Event "GER-chT U14"]
[Site "Regensburg"]
[Date "2014.12.29"]
[Round "5.3"]
[White "Petersen, Marcel"]
[Black "Liebelt, Jonas"]
[Result "1-0"]
[ECO "B77"]
[WhiteElo "1591"]
[BlackElo "1326"]
[PlyCount "89"]
[EventDate "2014.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Treptow"]
[BlackTeam "Porta Westfalica"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. Bc4 0-0 9. f3 d6 10. Qd2 Bd7 11. 0-0 Qc7 12. Bb3 Rac8 13. Rad1 Rfd8 14. Qf2 c5 15. Bd5 Bc6 16. Bxc6 Qxc6 17. e5 Nd7 18. Nd5 Re8 19. exd6 exd6 20. b3 Nb6 21. c4 Nxd5 22. Rxd5 Re6 23. Rfd1 Rce8 24. R5d3 R8e7 25. Kf1 Be5 26. h3 f5 27. Bg5 Rf7 28. f4 Bg7 29. Re1 Re4 30. Qd2 Rd7 31. Rd5 Bd4 32. Rxe4 fxe4 33. Qc2 e3 34. Qe4 Rf7 35. Rxd4 e2+ 36. Kxe2 Qxe4+ 37. Rxe4 Kg7 38. Re7 a6 39. Rxf7+ Kxf7 40. Ke3 Ke6 41. Ke4 Kd7 42. Kd5 Kc7 43. Be7 Kb6 44. Bxd6 Ka5 45. Kxc5 1-0

[Event "GER-chT U14"]
[Site "Regensburg"]
[Date "2014.12.28"]
[Round "4.3"]
[White "Lehne, Arwin Hugo"]
[Black "Petersen, Marcel"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1454"]
[BlackElo "1591"]
[PlyCount "154"]
[EventDate "2014.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Coswig TuS"]
[BlackTeam "Treptow"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Nf3 e6 3. Bf4 Bd6 4. Bg3 f5 5. e3 Nf6 6. Bd3 0-0 7. 0-0 Ne4 8. Bxe4 fxe4 9. Ne5 Nd7 10. Nxd7 Bxd7 11. Bxd6 cxd6 12. Nd2 Qg5 13. Qe2 a6 14. b3 b5 15. c4 dxc4 16. bxc4 bxc4 17. Nxe4 Qd5 18. Nc3 Qa5 19. Rfc1 d5 20. Qc2 Rab8 21. Rab1 Bb5 22. h3 Rfc8 23. Rb2 Be8 24. Qd2 Bg6 25. f3 Bd3 26. g4 Qa3 27. Rxb8 Rxb8 28. Qe1 Rb2 29. Qh4 Rb8 30. Qe1 Rb2 31. Qh4 h6 32. Qe1 Qd6 33. f4 Qa3 34. Kh1 Rc2 35. Rxc2 Bxc2 36. Kg1 Be4 37. Qd2 Qb4 38. Qc1 a5 39. a4 Kf8 40. Kf2 Ke8 41. Kg3 g5 42. Kf2 Kd7 43. Kg3 Kc6 44. Kf2 Qb3 45. Kg3 Bc2 46. Qa1 Qb4 47. Kf2 Qe7 48. Kg3 Qf6 49. Qb2 Bb3 50. Qd2 Qg6 51. Kf2 h5 52. Qe2 h4 53. Qd2 Qf6 54. Kf3 Qf8 55. Qb2 Kd7 56. Qc1 Ke8 57. Qb1 Qf7 58. Qc1 Qf6 59. Qd2 Kf7 60. Ke2 Kg6 61. Kf3 Qf7 62. Ke2 Qe8 63. fxg5 Bxa4 64. e4 Bc6 65. e5 Qf7 66. Nb1 Bb5 67. Qxa5 Qb7 68. Nc3 Ba6 69. Qa1 Kxg5 70. Qc1+ Kg6 71. Qc2+ Kg7 72. Qc1 Qe7 73. Qf4 Bc8 74. g5 Qb7 75. Qf6+ Kg8 76. Kf2 Qc6 77. Qg6+ Kf8 1/2-1/2

[Event "GER-chT U14"]
[Site "Regensburg"]
[Date "2014.12.28"]
[Round "3.3"]
[White "Petersen, Marcel"]
[Black "De Rentiis, Davide Luca"]
[Result "1/2-1/2"]
[ECO "B77"]
[WhiteElo "1591"]
[BlackElo "1226"]
[PlyCount "111"]
[EventDate "2014.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Treptow"]
[BlackTeam "Bebenhausen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 d6 9. f3 Bd7 10. Qd2 Rc8 11. g4 Ne5 12. h4 a5 13. h5 a4 14. Bd5 Nxd5 15. Nxd5 Nc4 16. Qf2 Nxe3 17. Qxe3 e6 18. Nc3 Qb6 19. 0-0-0 Rc4 20. Nf5 Qxe3+ 21. Nxe3 Bh6 22. Rd3 Rb4 23. a3 Rb6 24. Kb1 Bg7 25. Rhd1 Bxc3 26. Rxc3 Rd8 27. Nc4 Rc6 28. Rxd6 Rxd6 29. Nxd6 Bc6 30. Rd3 Kg7 31. h6+ Kf6 32. g5+ Ke7 33. e5 Ra8 34. f4 Ra5 35. Nc8+ Ke8 36. Nb6 Be4 37. Rc3 Kd8 38. Rc8+ Ke7 39. Rc7+ Ke8 40. Nc4 Rd5 41. Nd6+ Kd8 42. Rxf7 Rd1+ 43. Ka2 Bd5+ 44. c4 Bf3 45. Rxh7 Be2 46. Rxb7 Bd3 47. b4 Rd2+ 48. Ka1 Rc2 49. Rb8+ Kd7 50. c5 Rc1+ 51. Kb2 Rc2+ 52. Kb1 Rc3+ 53. Kb2 Rc2+ 54. Ka1 Rc1+ 55. Ka2 Rc2+ 56. Kb1 1/2-1/2

[Event "GER-chT U14"]
[Site "Regensburg"]
[Date "2014.12.27"]
[Round "2.3"]
[White "Kagan, Dennis"]
[Black "Petersen, Marcel"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1826"]
[BlackElo "1591"]
[PlyCount "102"]
[EventDate "2014.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Porz SG"]
[BlackTeam "Treptow"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 h6 6. Nbd2 0-0 7. 0-0 d6 8. Bb3 Be6 9. h3 d5 10. exd5 Bxd5 11. Re1 Re8 12. Qc2 Bb6 13. Bxd5 Qxd5 14. Ne4 Nxe4 15. dxe4 Qe6 16. Be3 Rad8 17. b3 Rd7 18. Bxb6 axb6 19. Rad1 Red8 20. Rxd7 Qxd7 21. Kf1 Qd3+ 22. Qxd3 Rxd3 23. Rc1 f6 24. Ke2 Rd6 25. Rc2 Ne7 26. Rd2 Nc8 27. Rd3 Rxd3 28. Kxd3 Nd6 29. Nd2 Kf7 30. Nc4 Ke6 31. Nxd6 Kxd6 32. Kc4 c6 33. a4 Kc7 34. h4 g5 35. hxg5 hxg5 36. Kd3 Kd6 37. Ke3 Ke6 38. c4 c5 39. Kf3 Kf7 40. Kg4 Ke6 41. g3 Ke7 42. Kf5 Kf7 43. g4 Ke7 44. Kg6 Ke6 45. f3 b5 46. cxb5 b6 47. Kh6 Kd6 48. Kh5 Ke7 49. Kg6 Ke6 50. Kh7 Kd7 51. Kg6 Ke6 1/2-1/2

[Event "GER-chT U14"]
[Site "Regensburg"]
[Date "2014.12.27"]
[Round "1.2"]
[White "Kandler, Philipp"]
[Black "Petersen, Marcel"]
[Result "0-1"]
[ECO "B72"]
[WhiteElo "1353"]
[BlackElo "1591"]
[PlyCount "62"]
[EventDate "2014.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Guetersloh"]
[BlackTeam "Treptow"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. h3 Bd7 8. Bc4 Nc6 9. Nde2 a6 10. Qc1 b5 11. Bb3 b4 12. Nd5 Nxe4 13. Bb6 Qc8 14. Nc7+ Kf8 15. Nxa8 Qxa8 16. Be3 h5 17. Bd5 Nf6 18. Bf3 Qc8 19. Nd4 Ne5 20. Be2 Nd5 21. Rb1 Nc6 22. Nxc6 Bxc6 23. Rg1 Ba4 24. b3 Bd7 25. Bd2 Bf5 26. Bd3 Bc3 27. Kf1 Bxd3+ 28. cxd3 Qf5 29. Qc2 Bd4 30. Be1 Ne3+ 31. Ke2 Nxc2 0-1

[Event "GER-chT North U14"]
[Site "Magdeburg"]
[Date "2014.09.14"]
[Round "7.3"]
[White "Petersen, Marcel"]
[Black "Hausdorf, Lars"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1668"]
[BlackElo "1440"]
[PlyCount "39"]
[EventDate "2014.09.11"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Treptow"]
[BlackTeam "Potsdam USV"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a4 cxd4 7. cxd4 Be7 8. Nc3 f6 9. Bb5 Bd7 10. Bxc6 bxc6 11. Qe2 c5 12. a5 Qc7 13. Bf4 Qb7 14. 0-0 g5 15. exf6 Bxf6 16. a6 Qc8 17. Nxg5 Bxg5 18. Qh5+ Kf8 19. Qxg5 Ne7 20. Qf6+ 1-0

[Event "GER-chT North U14"]
[Site "Magdeburg"]
[Date "2014.09.13"]
[Round "6.3"]
[White "Hoppe, Andreas"]
[Black "Petersen, Marcel"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1724"]
[BlackElo "1668"]
[PlyCount "75"]
[EventDate "2014.09.11"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Hagen"]
[BlackTeam "Treptow"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Nc3 e6 3. Bf4 f5 4. e3 Nf6 5. Be2 Bd6 6. Bxd6 Qxd6 7. f3 c6 8. Qd2 0-0 9. Bd3 Bd7 10. 0-0-0 b5 11. Nge2 a5 12. e4 fxe4 13. fxe4 b4 14. e5 bxc3 15. Nxc3 Qe7 16. exf6 Rxf6 17. Rhf1 Na6 18. a3 Nc7 19. Na4 Nb5 20. Bxb5 cxb5 21. Nc5 Rxf1 22. Rxf1 b4 23. a4 Rf8 24. Rxf8+ Kxf8 25. Qf4+ Ke8 26. Qb8+ Kf7 27. Qc7 Ke8 28. Qb8+ Kf7 29. Qb7 Ke8 30. Qa8+ Kf7 31. Qxa5 Qf6 32. Qxb4 Qf1+ 33. Kd2 Qxg2+ 34. Kc3 Qh3+ 35. Nd3 Qxh2 36. Ne5+ Ke8 37. Qb8+ Ke7 38. Ng6+ 1-0

[Event "GER-chT North U14"]
[Site "Magdeburg"]
[Date "2014.09.13"]
[Round "5.3"]
[White "Petersen, Marcel"]
[Black "Kummer, Birte"]
[Result "1/2-1/2"]
[ECO "C28"]
[WhiteElo "1668"]
[BlackElo "1271"]
[PlyCount "70"]
[EventDate "2014.09.11"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Treptow"]
[BlackTeam "Schwerin"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nc3 Bc5 5. Bg5 h6 6. Bh4 Be7 7. Bg3 d6 8. h3 Na5 9. Bb3 Nxb3 10. axb3 0-0 11. Nf3 Bd7 12. 0-0 Re8 13. d4 exd4 14. Qxd4 a6 15. Rad1 Bc6 16. Qe3 Nd7 17. Nd4 Bf6 18. Nxc6 bxc6 19. f4 d5 20. e5 Be7 21. Qf3 Bc5+ 22. Bf2 f6 23. Bxc5 Nxc5 24. Rfe1 fxe5 25. fxe5 Qg5 26. Qe2 Re6 27. Na4 Nd7 28. c4 Rxe5 29. Qf3 Rxe1+ 30. Rxe1 Rf8 31. Qe3 Qxe3+ 32. Rxe3 Kf7 33. Kf2 Re8 34. Rc3 Re6 35. cxd5 cxd5 1/2-1/2

[Event "GER-chT North U14"]
[Site "Magdeburg"]
[Date "2014.09.12"]
[Round "4.3"]
[White "Petersen, Marcel"]
[Black "Cejda, Cecilia"]
[Result "1-0"]
[ECO "B87"]
[WhiteElo "1668"]
[BlackElo "1621"]
[PlyCount "91"]
[EventDate "2014.09.11"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Treptow"]
[BlackTeam "Magdeburg Aufbau Elbe"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 b5 7. Bb3 e6 8. 0-0 Bb7 9. f3 Nc6 10. Be3 Nxd4 11. Qxd4 Be7 12. Rad1 0-0 13. e5 dxe5 14. Qxe5 Qb8 15. Bf4 Qxe5 16. Bxe5 Rad8 17. Ne2 Rxd1 18. Rxd1 Rd8 19. Rxd8+ Bxd8 20. Nf4 Kf8 21. Kf2 Bb6+ 22. Ke2 Ne8 23. Kd3 f6 24. Nxe6+ Ke7 25. Bd4 Bxd4 26. Kxd4 Bc8 27. Nf4 Kd6 28. c4 bxc4 29. Bxc4 g5 30. Nd5 Be6 31. Nc3 Bc8 32. Ne4+ Ke7 33. Nc5 Nc7 34. a4 Kd6 35. b4 Kc6 36. Bxa6 Bxa6 37. Nxa6 Nxa6 38. b5+ Kb6 39. bxa6 Kxa6 40. Ke4 Ka5 41. Kf5 h5 42. Kxf6 g4 43. fxg4 hxg4 44. Kg5 Kxa4 45. Kxg4 Kb5 46. Kf5 1-0

[Event "GER-chT North U14"]
[Site "Magdeburg"]
[Date "2014.09.12"]
[Round "3.15"]
[White "Petersen, Marcel"]
[Black "Hammann, Moritz"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "1668"]
[BlackElo "1501"]
[PlyCount "68"]
[EventDate "2014.09.11"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Treptow"]
[BlackTeam "Stade"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Bf4 e6 3. Nf3 f5 4. e3 Nf6 5. Be2 Bd6 6. Bxd6 Qxd6 7. Nbd2 Nbd7 8. c3 0-0 9. 0-0 Ne4 10. c4 c6 11. Rc1 b6 12. a3 Bb7 13. b4 c5 14. Qb3 Rab8 15. b5 Rf6 16. Rc2 Rg6 17. Nh4 Rh6 18. g3 Rf8 19. f4 g5 20. Nxe4 dxc4 21. Bxc4 Bxe4 22. fxg5 Bxc2 23. Qxc2 Rxh4 24. gxh4 Kg7 25. Qd3 Rc8 26. Rf4 Kg6 27. h3 Rd8 28. Kf2 Nf8 29. Ke2 Kg7 30. dxc5 bxc5 31. Qxd6 Rxd6 32. h5 Nd7 33. a4 Ne5 34. Ba2 Kf7 1/2-1/2

[Event "GER-chT North U14"]
[Site "Magdeburg"]
[Date "2014.09.11"]
[Round "1.2"]
[White "Petersen, Marcel"]
[Black "Weihrauch, Jakob"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "1668"]
[BlackElo "1475"]
[PlyCount "133"]
[EventDate "2014.09.11"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]
[WhiteTeam "Treptow"]
[BlackTeam "Hamburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be7 8. Bc4 Be6 9. Bb3 0-0 10. Qd2 Qc7 11. Bg5 Nbd7 12. 0-0 Rac8 13. Rac1 Rfd8 14. Rfe1 Nb6 15. Bxf6 Bxf6 16. Nd5 Nxd5 17. Bxd5 Bxd5 18. Qxd5 Qc6 19. c4 b6 20. h3 Qa4 21. a3 Rc5 22. Qd3 Be7 23. Red1 Rdc8 24. b3 Qc6 25. Rd2 b5 26. Rdc2 Qc7 27. Nh2 Bg5 28. Rd1 Qb7 29. Nf1 R5c6 30. Ne3 Bxe3 31. fxe3 Qc7 32. Rdc1 Rc5 33. Rd1 Rc6 34. Rcd2 bxc4 35. bxc4 Rd8 36. Qc3 h6 37. Rc2 Rc8 38. Rdc1 Qd8 39. Qb3 Rb8 40. Qa2 Qb6 41. Rc3 Qb2 42. R3c2 Qxa2 43. Rxa2 Rb3 44. Kf2 Kf8 45. Ke2 Ke7 46. Kd2 Rc5 47. Rc3 Rb6 48. Kc2 Rc7 49. Rb2 Rxb2+ 50. Kxb2 Rb7+ 51. Rb3 Rxb3+ 52. Kxb3 Kd7 53. Kb4 Kc6 54. Ka5 Kb7 55. g4 g5 56. a4 f6 57. Kb4 Kb6 58. a5+ Kc6 59. Kb3 Kc5 60. Kc3 Kc6 61. Kb4 Kb7 62. c5 dxc5+ 63. Kxc5 Kc7 64. Kb4 Kd6 65. Kc4 Kc6 66. Kb4 Kd6 67. Kc4 1/2-1/2

[Event "GER-chT U12"]
[Site "Schney"]
[Date "2013.12.30"]
[Round "7.2"]
[White "Petersen, Marcel"]
[Black "Wachtel, Arthur"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1504"]
[BlackElo "1434"]
[PlyCount "126"]
[EventDate "2013.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Treptow"]
[BlackTeam "Freising"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Nh6 6. Be2 f6 7. Na3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 0-0 11. 0-0 fxe5 12. Nxe5 Nxe5 13. dxe5 Bd7 14. Nc2 Rf7 15. Nd4 Nf5 16. Rac1 Qb6 17. Rfd1 Raf8 18. Bf3 Nh4 19. Rc3 Ng6 20. Re1 Rf4 21. Nb3 Bc6 22. Rd3 Nh4 23. Nd4 Nxf3+ 24. Nxf3 d4 25. Qc1 Bxf3 26. gxf3 Qd8 27. Qc4 Qg5+ 28. Kf1 Qf5 29. Qb3 Rxf3 30. Rxf3 Qxf3 31. Qxf3 Rxf3 32. Rc1 h6 33. Rc7 Rf7 34. Rc8+ Rf8 35. Rc4 Rf5 36. Rxd4 Rxe5 37. Rd8+ Kh7 38. Rd7 Rb5 39. b3 Kg6 40. Ke2 Kf6 41. Ke3 g5 42. Kd4 Ra5 43. a4 b5 44. Kc5 bxa4+ 45. Kb4 Rd5 46. Rxd5 exd5 47. bxa4 d4 48. Kc4 Ke5 49. f3 h5 50. h3 h4 51. a5 a6 52. Kd3 Kd5 53. Kd2 Kc4 54. Ke2 Kc3 55. f4 gxf4 56. Kf3 d3 57. Kxf4 d2 58. Kg4 d1Q+ 59. Kxh4 Qg1 60. Kh5 Kd4 61. h4 Ke5 62. Kh6 Kf6 63. h5 Qg7# 0-1

[Event "GER-chT U12"]
[Site "Schney"]
[Date "2013.12.29"]
[Round "6.2"]
[White "Kunath, Tim"]
[Black "Petersen, Marcel"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1552"]
[BlackElo "1504"]
[PlyCount "76"]
[EventDate "2013.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Coswig"]
[BlackTeam "Treptow"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 Bd7 10. g4 a6 11. h4 h5 12. gxh5 Nxh5 13. Be2 b5 14. f4 b4 15. Nb1 Ng3 16. Rhg1 Nxd4 17. Bxd4 Nxe4 18. Qe3 Nf6 19. h5 Bf5 20. hxg6 fxg6 21. Bc4+ Kh7 22. Rh1+ Bh6 23. Be6 Nh5 24. Bxf5 Rxf5 25. Rdf1 e5 26. Bb6 Qf6 27. Nd2 exf4 28. Qf3 d5 29. Nc4 Ng3 30. Rxh6+ Kxh6 31. Rf2 Re8 32. Rh2+ Nh5 33. Qf2 dxc4 34. Bd4 Qe6 35. Kd2 Kh7 36. c3 bxc3+ 37. Bxc3 Qe3+ 38. Qxe3 fxe3+ 0-1

[Event "GER-chT U12"]
[Site "Schney"]
[Date "2013.12.29"]
[Round "5.2"]
[White "Petersen, Marcel"]
[Black "Meyling, Lennart"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1504"]
[BlackElo "1667"]
[PlyCount "87"]
[EventDate "2013.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Treptow"]
[BlackTeam "Hamburger SK"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 Be7 9. Qd2 Nbd7 10. 0-0-0 b5 11. Kb1 Nb6 12. g4 Nfd7 13. Rg1 Nc4 14. Bxc4 bxc4 15. Nc1 0-0 16. Nd5 Bxd5 17. Qxd5 Re8 18. Ne2 Nb6 19. Qa5 Rb8 20. Nc3 Nd7 21. Qxd8 Rexd8 22. Nd5 Bh4 23. c3 Nf6 24. Ne7+ Kf8 25. Nc6 Rbc8 26. Nxd8 Rxd8 27. g5 Nh5 28. Rg4 Nf4 29. Bxf4 Bf2 30. Bxe5 Bc5 31. Bd4 Bxd4 32. Rxd4 Ke7 33. Rxc4 f5 34. gxf6+ Kxf6 35. Rc6 g5 36. e5+ Kxe5 37. Rxg5+ Kf4 38. Rg7 Ke3 39. Rxa6 Kd3 40. a3 d5 41. Rxh7 Kd2 42. Ra4 Rf8 43. Re7 Kd3 44. Rd4# 1-0

[Event "GER-chT U12"]
[Site "Schney"]
[Date "2013.12.28"]
[Round "4.2"]
[White "Browning, Alex"]
[Black "Petersen, Marcel"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "1517"]
[BlackElo "1504"]
[PlyCount "113"]
[EventDate "2013.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Halver Schalksmuehle"]
[BlackTeam "Treptow"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. c3 d6 4. h3 Nf6 5. d3 g6 6. Be2 Bg7 7. 0-0 0-0 8. Be3 Bd7 9. Nbd2 a6 10. Re1 b5 11. Nf1 b4 12. Ng3 Ne8 13. d4 bxc3 14. bxc3 cxd4 15. cxd4 Qa5 16. Rb1 Qd8 17. Qd2 a5 18. a3 e6 19. Red1 d5 20. e5 f6 21. Bh6 fxe5 22. Bxg7 Nxg7 23. dxe5 Nf5 24. Nxf5 Rxf5 25. Bd3 Rf8 26. Bc2 Qe7 27. Qd3 Rab8 28. h4 Qg7 29. Re1 Rxb1 30. Bxb1 Ne7 31. Kh2 Qh6 32. Rh1 Qf4+ 33. Kh3 Qf5+ 34. Qxf5 Nxf5 35. g4 Ne7 36. Kg3 Nc6 37. Bd3 Rb8 38. Rb1 Rxb1 39. Bxb1 a4 40. Bd3 Na5 41. Nd4 Kf7 42. Kf3 Nc6 43. Nxc6 Bxc6 44. Ke3 h6 45. g5 hxg5 46. hxg5 Be8 47. Kd4 Ke7 48. Kc5 Kd8 49. Kd6 Bf7 50. f3 Ke8 51. Bb5+ Kd8 52. Bxa4 Be8 53. Bxe8 Kxe8 54. Kc5 Kd7 55. f4 Kc7 56. a4 Kb7 57. f5 1-0

[Event "GER-chT U12"]
[Site "Schney"]
[Date "2013.12.28"]
[Round "3.2"]
[White "Shevelko, Alexander"]
[Black "Petersen, Marcel"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1556"]
[BlackElo "1504"]
[PlyCount "89"]
[EventDate "2013.12.27"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]
[WhiteTeam "Potsdam"]
[BlackTeam "Treptow"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 d5 2. Nf3 Nf6 3. g3 Bg4 4. Bg2 e6 5. 0-0 Bd6 6. b3 Nbd7 7. Bb2 Ne4 8. c4 c6 9. Nc3 Nxc3 10. Bxc3 0-0 11. h3 Bxf3 12. Bxf3 f5 13. Qc2 Nf6 14. e3 Ne4 15. Rac1 Rc8 16. Qb2 Qe7 17. Qe2 Qg5 18. h4 Qg6 19. Bg2 Rf6 20. Be1 Qe8 21. Bc3 Rf7 22. Bf3 Rfc7 23. c5 Be7 24. Ba5 Rd7 25. Bg2 Bd8 26. Bxd8 Qxd8 27. b4 b5 28. Qb2 a5 29. a3 axb4 30. axb4 Ra8 31. Ra1 Rda7 32. Kh2 Qc7 33. f4 Ra4 34. Rxa4 Rxa4 35. Bxe4 dxe4 36. Ra1 Qa7 37. Rxa4 Qxa4 38. Qd2 Qb3 39. Kg2 h5 40. Kf2 g6 41. Kg1 Kf7 42. Kf2 Ke7 43. Kg2 Qb1 44. Kf2 Qh1 45. Qe1 1/2-1/2

