[Event "BL2-West 2324"]
[Site "Germany"]
[Date "2024.03.17"]
[Round "10.6"]
[White "Kersten, Uwe"]
[Black "Dzierzenga, Stefan"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2229"]
[BlackElo "2137"]
[PlyCount "48"]
[EventDate "2023.10.21"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Bad Wolfhagen Emstal"]
[BlackTeam "Siegburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. Nf3 c6 4. c3 d6 5. Nbd2 Nf6 6. h3 0-0 7. Be2 a5 8. a4 b6 9. 0-0 Re8 10. Re1 h6 11. Qc2 Qc7 12. Bd3 e5 13. dxe5 dxe5 14. Nc4 Nfd7 15. Be3 Na6 16. Bf1 Ndc5 17. Nfd2 Be6 18. Rab1 Nd7 19. b4 axb4 20. a5 c5 21. axb6 Nxb6 22. Nxb6 Qxb6 23. cxb4 Nxb4 24. Qxc5 Qxc5 1/2-1/2

[Event "BL2-West 2324"]
[Site "Germany"]
[Date "2024.03.16"]
[Round "9.6"]
[White "Dzierzenga, Stefan"]
[Black "Polster, Wolfgang"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2137"]
[BlackElo "2175"]
[PlyCount "64"]
[EventDate "2023.10.21"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Siegburg"]
[BlackTeam "Koblenz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c6 2. Ne2 Qa5 3. Nbc3 e5 4. d4 d6 5. Be3 Nf6 6. f3 Nbd7 7. Qd2 b5 8. Nc1 b4 9. Nd1 d5 10. Nf2 Bd6 11. exd5 Nxd5 12. Ne4 Be7 13. Bf2 0-0 14. Be2 f5 15. Ng3 Qd8 16. 0-0 Bg5 17. Qd3 a5 18. c4 bxc3 19. bxc3 Ba6 20. Qc2 Ne3 21. Bxe3 Bxe3+ 22. Kh1 Qg5 23. Bxa6 Rxa6 24. Re1 c5 25. Qe2 Qxg3 26. Qxe3 Rh6 27. h3 cxd4 28. cxd4 exd4 29. Qb3+ Kh8 30. Ne2 Qf2 31. Qd5 d3 32. Qxd7 dxe2 1/2-1/2

[Event "BL2-West 2324"]
[Site "Germany"]
[Date "2024.02.25"]
[Round "8.5"]
[White "Lemmers, Oscar"]
[Black "Dzierzenga, Stefan"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2355"]
[BlackElo "2137"]
[PlyCount "61"]
[EventDate "2023.10.21"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Aachen"]
[BlackTeam "Siegburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. 0-0 Bd6 11. Nf3 Qc7 12. h3 0-0 13. Be3 Bd7 14. Re1 Rac8 15. Nc3 a6 16. Rc1 b5 17. a4 b4 18. Nb5 axb5 19. axb5 Qb7 20. bxc6 Rxc6 21. Rxc6 Bxc6 22. Ng5 e5 23. dxe5 Bxe5 24. Nxh7 Nxh7 25. Qh5 g5 26. Bc5 Re8 27. Qg6+ Kh8 28. Rxe5 Rxe5 29. Bd4 Qg7 30. Bxe5 Qxe5 31. Qxh7# 1-0

[Event "BL2-West 2324"]
[Site "Germany"]
[Date "2024.02.24"]
[Round "7.5"]
[White "Dzierzenga, Stefan"]
[Black "Berelowitsch, Alexander"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2137"]
[BlackElo "2485"]
[PlyCount "44"]
[EventDate "2023.10.21"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Siegburg"]
[BlackTeam "Duesseldorf"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 d4 5. bxc5 Bxc5 6. Ba3 Qa5 7. Bxc5 Qxc5 8. c3 Nc6 9. cxd4 Nxd4 10. Qa4+ Bd7 11. Qxd4 Qc1+ 12. Ke2 Bb5+ 13. Ke3 Bxf1 14. Qd3 Qc5+ 15. Qd4 Qxd4+ 16. Nxd4 Ba6 17. Nc3 Ne7 18. Rhc1 0-0 19. Ncb5 Rad8 20. Nc7 Nd5+ 21. Ke4 f5+ 22. exf6 Nxf6+ 0-1

[Event "BL2-West 2324"]
[Site "Germany"]
[Date "2024.02.04"]
[Round "6.5"]
[White "Andersen, Hans Christoph"]
[Black "Dzierzenga, Stefan"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "2224"]
[BlackElo "2137"]
[PlyCount "22"]
[EventDate "2023.10.21"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Koeln SF"]
[BlackTeam "Siegburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. e4 Nxe4 5. Bd3 Nf6 6. Bxb5 Qa5+ 7. Nc3 Ba6 8. Bxa6 Qxa6 9. Bf4 g6 10. Qd2 Bg7 11. Qe3 0-0 1/2-1/2

[Event "BL2-West 2324"]
[Site "Germany"]
[Date "2023.10.22"]
[Round "2.6"]
[White "Joachim, Sven"]
[Black "Dzierzenga, Stefan"]
[Result "1-0"]
[ECO "C05"]
[WhiteElo "2387"]
[BlackElo "2137"]
[PlyCount "49"]
[EventDate "2023.10.21"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Werder Bremen II"]
[BlackTeam "Siegburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. Ngf3 Nc6 7. Nb3 cxd4 8. Nbxd4 Bc5 9. c3 0-0 10. Bd3 Nxd4 11. cxd4 Be7 12. 0-0 f5 13. exf6 Bxf6 14. Qc2 h6 15. Qe2 Re8 16. Be3 Nf8 17. g4 g6 18. g5 hxg5 19. fxg5 Bg7 20. Ne5 Bxe5 21. dxe5 Bd7 22. Rf6 d4 23. Bxg6 dxe3 24. Bf7+ Kg7 25. Qh5 1-0

[Event "BL2-West 2324"]
[Site "Germany"]
[Date "2023.10.21"]
[Round "1.6"]
[White "Dzierzenga, Stefan"]
[Black "Essing, Arnold"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2137"]
[BlackElo "2219"]
[PlyCount "24"]
[EventDate "2023.10.21"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Siegburg"]
[BlackTeam "Lieme"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 Nc6 8. Qd2 Be6 9. Be2 Qd7 10. 0-0-0 Bf6 11. Kb1 0-0-0 12. h3 Kb8 1/2-1/2

[Event "BL2-West 2223"]
[Site "Germany"]
[Date "2023.03.19"]
[Round "10.8"]
[White "Dzierzenga, Stefan"]
[Black "Buchinger, Alexis"]
[Result "1/2-1/2"]
[ECO "C72"]
[WhiteElo "2179"]
[BlackElo "1850"]
[PlyCount "29"]
[EventDate "2022.10.22"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Siegburg"]
[BlackTeam "Neuberg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. 0-0 Bg4 6. h3 Bh5 7. c3 Qf6 8. d3 Nge7 9. Be3 h6 10. Nbd2 g5 11. Re1 Bg7 12. b4 0-0 13. b5 axb5 14. Bxb5 Nd8 15. d4 1/2-1/2

[Event "BL2-West 2223"]
[Site "Germany"]
[Date "2023.03.18"]
[Round "9.8"]
[White "Dolzhikova, Kateryna"]
[Black "Dzierzenga, Stefan"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2204"]
[BlackElo "2179"]
[PlyCount "81"]
[EventDate "2022.10.22"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Oberursel"]
[BlackTeam "Siegburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 a5 5. g3 a4 6. Bg2 a3 7. 0-0 axb2 8. Bxb2 Ba3 9. Qc1 Bxb2 10. Qxb2 0-0 11. e5 Nfd7 12. c4 Nb6 13. c5 N6d7 14. Rfc1 Nc6 15. d4 f6 16. Bh3 Qe8 17. exf6 Rxf6 18. Re1 Nf8 19. Re3 h6 20. Rae1 Qh5 21. Bf1 Qf7 22. Ra3 Rxa3 23. Qxa3 Nd7 24. h4 Qf8 25. Bh3 Ndb8 26. h5 Na6 27. Bg4 Qf7 28. Re2 Qf8 29. Qe3 Bd7 30. Nh4 Nab8 31. Ndf3 Bc8 32. Ng6 Qe8 33. Nf4 Qd8 34. Nxe6 Bxe6 35. Bxe6+ Kh8 36. Nh4 Ne7 37. Bxd5 Qxd5 38. Qxe7 Qxd4 39. Qe8+ Kh7 40. Qg6+ Kg8 41. Re8+ 1-0

[Event "BL2-West 2223"]
[Site "Germany"]
[Date "2023.02.05"]
[Round "6.8"]
[White "Agrest, Inna"]
[Black "Dzierzenga, Stefan"]
[Result "1-0"]
[ECO "C15"]
[WhiteElo "2260"]
[BlackElo "2179"]
[PlyCount "69"]
[EventDate "2022.10.22"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Duesseldorf"]
[BlackTeam "Siegburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 dxe4 6. Qg4 Nf6 7. Qxg7 Rg8 8. Qh6 Bd7 9. Nh3 Rg6 10. Qd2 c5 11. a4 Qa5 12. Rb1 cxd4 13. cxd4 Qxd2+ 14. Bxd2 Nc6 15. c3 0-0-0 16. Nf4 Rgg8 17. Rb5 Ne7 18. Rc5+ Kb8 19. Be2 Rc8 20. Rxc8+ Kxc8 21. 0-0 Bc6 22. c4 Ng6 23. Nxg6 hxg6 24. Be3 a6 25. a5 Ne8 26. Rd1 Nc7 27. Bg5 f5 28. h4 Rf8 29. f3 f4 30. fxe4 Bxe4 31. Rf1 e5 32. dxe5 Ne6 33. Bf6 Bf5 34. Bf3 Nc5 35. Be7 1-0

[Event "BL2-West 2223"]
[Site "Germany"]
[Date "2022.11.27"]
[Round "4.8"]
[White "Marcziter, Dmitrii"]
[Black "Dzierzenga, Stefan"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "2262"]
[BlackElo "2179"]
[PlyCount "143"]
[EventDate "2022.10.22"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Koeln Porz"]
[BlackTeam "Siegburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 e6 6. Nc3 exd5 7. Nxd5 Nxd5 8. Qxd5 Nc6 9. Nf3 Rb8 10. e4 Be7 11. Bc4 0-0 12. 0-0 Rxb6 13. Qh5 d6 14. b3 Bf6 15. Bg5 Be6 16. Rac1 h6 17. Be3 Bxc4 18. Rxc4 Qe7 19. Rd1 Qe6 20. Qd5 Qxd5 21. Rxd5 Na5 22. Ra4 Nb7 23. Nd2 Re8 24. Nc4 Rc6 25. f3 Re6 26. Kf1 Be7 27. Ke2 Bf8 28. Kd3 Be7 29. f4 Bf8 30. f5 Re8 31. Bf4 f6 32. g4 Kf7 33. h4 Be7 34. Ke3 Rh8 35. Kf3 Re8 36. Kg3 Rh8 37. Nd2 Rhc8 38. Rc4 a5 39. Ra4 Ra8 40. Nc4 Rca6 41. Bd2 Bd8 42. Bc3 Be7 43. Kf3 R8a7 44. Be1 Ra8 45. Bg3 Ke8 46. Nb2 Nd8 47. Nc4 Nb7 48. Rd1 Rd8 49. Ne3 Rc8 50. Be1 Rca8 51. Nd5 Rc8 52. Bc3 Kf7 53. Rg1 Bd8 54. Bd2 Rac6 55. Rc4 Be7 56. Rg2 Ra8 57. a4 Rb8 58. Nc3 Rd8 59. Nd5 Rb8 60. g5 hxg5 61. hxg5 fxg5 62. Nxe7 Kxe7 63. Rxg5 Kf7 64. Rc1 Rb6 65. Rcg1 Rxb3+ 66. Kf4 Rg8 67. Rg6 c4 68. f6 Nc5 69. Rxg7+ Rxg7 70. fxg7 Ne6+ 71. Kg4 c3 72. Bf4 0-1

[Event "BL2-West 2223"]
[Site "Germany"]
[Date "2022.10.23"]
[Round "2.7"]
[White "Polster, Wolfgang"]
[Black "Dzierzenga, Stefan"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "2252"]
[BlackElo "2179"]
[PlyCount "82"]
[EventDate "2022.10.22"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Koblenz"]
[BlackTeam "Siegburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d3 d5 3. Nd2 g6 4. g3 Bg7 5. Bg2 Ne7 6. Ngf3 0-0 7. 0-0 c5 8. Re1 Nbc6 9. c3 h6 10. Qe2 b6 11. Nf1 Ba6 12. e5 b5 13. h4 b4 14. Bf4 bxc3 15. bxc3 Rb8 16. Qd2 Kh7 17. N1h2 Rb6 18. Ng4 Ng8 19. Rac1 Qe7 20. Bf1 Rc8 21. Be2 Nb8 22. Kg2 Qb7 23. Rh1 Rb2 24. Rc2 Rxc2 25. Qxc2 d4 26. Rb1 Qd7 27. Nf6+ Bxf6 28. exf6 Nc6 29. Qa4 Bb7 30. Qb5 Ba8 31. c4 e5 32. Bd2 Rb8 33. Qxb8 Nxb8 34. Rxb8 Bb7 35. Kf1 Nxf6 36. Ba5 Bxf3 37. Bxf3 Qf5 38. Ke2 e4 39. dxe4 Nxe4 40. Re8 Nd6 41. Re7 d3+ 0-1

[Event "Oberliga NRW 2122"]
[Site "Germany"]
[Date "2022.05.29"]
[Round "6.8"]
[White "Seref, Erdogan"]
[Black "Dzierzenga, Stefan"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "1976"]
[BlackElo "2200"]
[PlyCount "109"]
[EventDate "2021.10.31"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Brackel"]
[BlackTeam "Siegburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nc3 e5 6. Rb1 Nge7 7. a3 0-0 8. 0-0 d5 9. cxd5 Nxd5 10. Ng5 Nxc3 11. dxc3 Qc7 12. Qa4 Bf5 13. Ne4 Rac8 14. Be3 b6 15. Rbd1 Ne7 16. Bg5 f6 17. Be3 Be6 18. Rd6 Bf5 19. Qc4+ Kh8 20. Rfd1 Rcd8 21. R6d2 Rxd2 22. Nxd2 Qd7 23. Re1 Be6 24. Qa6 Nf5 25. Nf1 Rd8 26. Bc1 Qf7 27. e4 Bc4 28. Qa4 Nd6 29. Qc2 Bb3 30. Qe2 Nb7 31. Nd2 Be6 32. Bf1 Na5 33. b4 cxb4 34. axb4 Nc6 35. Qb5 Rc8 36. Nc4 Bf8 37. Ne3 Nb8 38. Bb2 Bd7 39. Qd5 Be6 40. Qb5 Bd7 41. Bc4 Qe8 42. Qd5 Bh6 43. Bb3 Bc6 44. Qd3 Ba4 45. Bd5 Bxe3 46. Qxe3 Bb5 47. Ra1 Qe7 48. Qf3 Kg7 49. Qg4 Bd7 50. Rxa7 h5 51. Qf3 Qd6 52. Qe3 b5 53. Bc1 Rh8 54. h4 f5 55. Rb7 1-0

[Event "Oberliga NRW 2122"]
[Site "Germany"]
[Date "2022.04.10"]
[Round "8.8"]
[White "Bee, Marcus"]
[Black "Dzierzenga, Stefan"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "2219"]
[BlackElo "2201"]
[PlyCount "32"]
[EventDate "2021.10.31"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Essen Katernberg"]
[BlackTeam "Siegburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 c5 2. c4 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nc3 e5 6. a3 Nge7 7. b4 d6 8. Rb1 0-0 9. 0-0 Rb8 10. Ne1 Be6 11. Nd5 cxb4 12. axb4 b5 13. Nxe7+ Nxe7 14. cxb5 Rxb5 15. Qa4 Qb8 16. d3 a5 1/2-1/2

[Event "Oberliga NRW 2122"]
[Site "Germany"]
[Date "2022.04.03"]
[Round "5.7"]
[White "Schmidt, Kevin"]
[Black "Dzierzenga, Stefan"]
[Result "1/2-1/2"]
[ECO "A08"]
[WhiteElo "1930"]
[BlackElo "2201"]
[PlyCount "28"]
[EventDate "2021.10.31"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Muelheim Nord II"]
[BlackTeam "Siegburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d3 d5 3. Qe2 Ne7 4. Nf3 c5 5. g3 Nbc6 6. c3 g6 7. Bg2 Bg7 8. 0-0 0-0 9. Re1 b6 10. h4 h6 11. Nbd2 a5 12. Nf1 dxe4 13. dxe4 Ba6 14. Qe3 Qd3 1/2-1/2

[Event "Oberliga NRW 2122"]
[Site "Germany"]
[Date "2022.03.13"]
[Round "7.6"]
[White "Dzierzenga, Stefan"]
[Black "Langers, Alexander"]
[Result "1/2-1/2"]
[ECO "B24"]
[WhiteElo "2201"]
[BlackElo "2259"]
[PlyCount "29"]
[EventDate "2021.10.31"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Siegburg"]
[BlackTeam "Erkenschwick"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 d6 5. Nh3 e5 6. 0-0 Be7 7. d3 h6 8. f4 Bg4 9. Qd2 Nd4 10. Nf2 Bf3 11. Nfd1 Bxg2 12. Qxg2 Qd7 13. Ne3 0-0-0 14. Ncd5 exf4 15. Rxf4 1/2-1/2

[Event "Oberliga NRW 2122"]
[Site "Germany"]
[Date "2021.10.31"]
[Round "1.6"]
[White "Schmidt, Martin"]
[Black "Dzierzenga, Stefan"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "2153"]
[BlackElo "2201"]
[PlyCount "34"]
[EventDate "2021.10.31"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Koeln SF"]
[BlackTeam "Siegburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 Bd7 7. dxc5 Bxc5 8. 0-0 f6 9. b4 Be7 10. b5 Na5 11. Nbd2 Rc8 12. Nb3 Nxb3 13. axb3 Rxc3 14. Be3 Bc5 15. Qd2 Rxd3 16. Qxd3 Bxb5 17. Qc3 Bxe3 1/2-1/2

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2021.05.04"]
[Round "5"]
[White "Dzierzenga, Stefan"]
[Black "Eilenberg, Jonas"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1874"]
[BlackElo "2090"]
[PlyCount "33"]
[EventDate "2021.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Bxf6 gxf6 9. Na3 f5 10. Bd3 b5 11. Nd5 Be6 12. c4 bxc4 13. Nxc4 Bxd5 14. exd5 Ne7 15. Qa4+ Qd7 16. Nxd6+ Kd8 17. Nxf7+ 1-0

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2021.05.04"]
[Round "4"]
[White "Dzierzenga, Stefan"]
[Black "Faerber, David"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "1874"]
[BlackElo "2197"]
[PlyCount "83"]
[EventDate "2021.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. Qd2 Nf6 8. 0-0-0 Bb4 9. f3 b5 10. Kb1 Rb8 11. g4 d6 12. a3 Ba5 13. Nxc6 Qxc6 14. Qxd6 Qxd6 15. Rxd6 Bxc3 16. bxc3 0-0 17. Be2 Bb7 18. Rhd1 Rfc8 19. Kb2 h6 20. Bf4 Ra8 21. Rb6 Bc6 22. Rd6 Be8 23. Rxa6 Rab8 24. Rab6 Rxb6 25. Rxb6 Nd7 26. Rxb5 Nc5 27. c4 Bxb5 28. cxb5 f6 29. c4 Kf7 30. Kc3 Ke7 31. Be3 Kd6 32. Kb4 Nd7 33. a4 Kc7 34. c5 Nb8 35. Bc4 e5 36. Bd5 Kd7 37. c6+ Kd6 38. Bc5+ Kc7 39. b6+ Kd8 40. c7+ Kd7 41. cxb8Q Rxb8 42. a5 1-0

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2021.05.04"]
[Round "2"]
[White "Dzierzenga, Stefan"]
[Black "Langrock, Hannes"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1874"]
[BlackElo "2239"]
[PlyCount "102"]
[EventDate "2021.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be3 Bb4 7. Bd3 d5 8. exd5 Nxd5 9. Nxc6 bxc6 10. Bd2 Nxc3 11. bxc3 Bc5 12. 0-0 g6 13. Bh6 Bf8 14. Bxf8 Kxf8 15. Qf3 Kg7 16. Qxc6 Bd7 17. Qe4 Qc7 18. c4 Qc5 19. Rab1 Bc6 20. Qe2 Rad8 21. h3 Rd4 22. Rb3 Rhd8 23. Qe3 a5 24. Re1 a4 25. Rbb1 Qa5 26. Qe5+ Qxe5 27. Rxe5 Kf6 28. Rc5 Be4 29. Ra5 Bxd3 30. cxd3 Rxd3 31. Rxa4 Rd2 32. Ra3 Rc2 33. Rf3+ Kg7 34. Rb7 Rf8 35. Rc7 Rxa2 36. c5 Rc2 37. c6 Rc5 38. g4 h5 39. Kg2 hxg4 40. hxg4 g5 41. Kg3 Kg6 42. Re3 Rd8 43. Rf3 f6 44. Re3 Rd6 45. f4 gxf4+ 46. Kxf4 Rcxc6 47. Rxc6 Rxc6 48. Re4 e5+ 49. Kg3 Kg5 50. Re3 Rc4 51. Kh3 Rxg4 0-1

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2021.05.04"]
[Round "9"]
[White "Dzierzenga, Stefan"]
[Black "Meyer, Irmin"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1874"]
[BlackElo "1639"]
[PlyCount "57"]
[EventDate "2021.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 c6 2. Ne2 d6 3. d4 Nd7 4. Nbc3 e5 5. Be3 Ngf6 6. f3 Be7 7. Qd2 0-0 8. g4 b5 9. g5 Ne8 10. 0-0-0 b4 11. Na4 Qa5 12. b3 Ba6 13. Kb1 Nb6 14. Nb2 Nc7 15. Ng3 Bxf1 16. Rhxf1 Nb5 17. a4 Nc3+ 18. Ka1 Nxd1 19. Rxd1 Rad8 20. Nf5 Rfe8 21. dxe5 Qxe5 22. Bd4 Qa5 23. Bxg7 Qc5 24. Bd4 Qa5 25. Nxe7+ Rxe7 26. Bf6 Red7 27. Bxd8 Rxd8 28. f4 c5 29. Qd3 1-0

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2021.05.04"]
[Round "11"]
[White "Dzierzenga, Stefan"]
[Black "Mueller, Sebastian1"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1874"]
[BlackElo "1695"]
[PlyCount "25"]
[EventDate "2021.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Bxf6 gxf6 9. Na3 Bg7 10. Qh5 b5 11. Nd5 Ne7 12. Nxe7 Qd7 13. Nf5 1-0

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2021.05.04"]
[Round "7"]
[White "Dzierzenga, Stefan"]
[Black "Schulz, Karsten"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1874"]
[BlackElo "2262"]
[PlyCount "134"]
[EventDate "2021.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. Qd2 Nd7 6. 0-0-0 b5 7. h4 h5 8. Nh3 Bb7 9. f3 Rc8 10. d5 c5 11. dxc6 Bxc6 12. Nd5 Ngf6 13. Nxf6+ Nxf6 14. Kb1 Qc7 15. Be2 0-0 16. Nf4 Rfd8 17. Nd5 Nxd5 18. exd5 Bxd5 19. Bd3 Bc4 20. g4 Bxd3 21. Qxd3 hxg4 22. fxg4 Qc4 23. Qd2 Qe6 24. h5 Qe5 25. c3 b4 26. Bd4 Qe4+ 27. Ka1 bxc3 28. bxc3 Bxd4 29. cxd4 Rc2 30. Qa5 Rb8 31. hxg6 Qxg6 32. Rb1 Rcc8 33. Rxb8 Rxb8 34. Qc7 Re8 35. Qd7 f6 36. Qe6+ Kg7 37. a4 f5 38. gxf5 Qxe6 39. fxe6 Kf6 40. Re1 Rc8 41. d5 Rc4 42. Kb2 Rxa4 43. Kb3 Ra5 44. Kc4 Rc5+ 45. Kd4 Rc7 46. Rf1+ Kg6 47. Rg1+ Kf5 48. Rf1+ Kg4 49. Ra1 Ra7 50. Ra3 a5 51. Ke4 a4 52. Ke3 Kf5 53. Kd4 Kf4 54. Kc4 Ke4 55. Ra1 a3 56. Re1+ Kf3 57. Rf1+ Ke2 58. Ra1 a2 59. Kb5 Kd3 60. Kb6 Ra3 61. Kc7 Kd4 62. Kd8 Ra7 63. Rd1+ Kc4 64. Ke8 a1Q 65. Rxa1 Rxa1 66. Kxe7 Kxd5 67. Kd7 Ra7+ 0-1

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2021.05.04"]
[Round "3"]
[White "Heerde, Thomas"]
[Black "Dzierzenga, Stefan"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1663"]
[BlackElo "1874"]
[PlyCount "62"]
[EventDate "2021.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Ne7 4. g3 g6 5. Bg2 Bg7 6. f4 0-0 7. Ngf3 c5 8. 0-0 Nbc6 9. c3 b5 10. a4 b4 11. e5 bxc3 12. bxc3 Ba6 13. Qc2 Rb8 14. Ba3 Qa5 15. Rfb1 Rfc8 16. Nb3 Rxb3 17. Rxb3 Bxd3 18. Qb2 c4 19. Rb7 Nf5 20. Ng5 Nd8 21. Rd7 h6 22. Nf3 Qxa4 23. Rxd8+ Rxd8 24. Be7 Qd7 25. Bxd8 Qxd8 26. Rxa7 Bf8 27. Ra1 Bc5+ 28. Kh1 Ne3 29. Bh3 Be4 30. Bg2 g5 31. fxg5 hxg5 0-1

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2021.05.04"]
[Round "6"]
[White "Heinig, Wolfram"]
[Black "Dzierzenga, Stefan"]
[Result "1-0"]
[ECO "A31"]
[WhiteElo "2104"]
[BlackElo "1874"]
[PlyCount "143"]
[EventDate "2021.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e5 5. Nb5 d5 6. cxd5 Bc5 7. a3 0-0 8. b4 Bb6 9. N5c3 e4 10. e3 Bg4 11. Qb3 Qe7 12. Nd2 Rd8 13. Bb2 Nbd7 14. h3 Bh5 15. g4 Bg6 16. Bg2 h6 17. Nc4 Bc7 18. Rd1 Ne5 19. Nxe5 Bxe5 20. 0-0 a6 21. Na4 Bxb2 22. Nxb2 Qe5 23. Nc4 Qe7 24. d6 Qe6 25. Rd4 b5 26. Nd2 Rxd6 27. Qxe6 Rxe6 28. Rc1 Rae8 29. Rc7 R8e7 30. Rc8+ Re8 31. Rdd8 Kf8 32. Nb3 Rxd8 33. Rxd8+ Ke7 34. Ra8 Rd6 35. Nc5 Rd1+ 36. Kh2 Rd2 37. Kg3 Nd7 38. Rxa6 Nxc5 39. bxc5 Rc2 40. c6 Kd6 41. Rb6 Rxc6 42. Rxb5 Ra6 43. Rb3 Ke5 44. Rc3 Ra5 45. h4 h5 46. g5 Bf5 47. Rb3 Be6 48. Rb4 Rxa3 49. Rxe4+ Kd6 50. Rb4 Ra7 51. Bf3 g6 52. Kf4 Ra2 53. Kg3 Ra3 54. Be4 Ke5 55. f4+ Kd6 56. Rb6+ Kc5 57. Rc6+ Kb5 58. Rxe6 fxe6 59. Kf3 e5 60. Bxg6 exf4 61. Kxf4 Kc5 62. e4 Kd6 63. Bxh5 Ke6 64. Bg4+ Kf7 65. Bf5 Ra1 66. h5 Rh1 67. h6 Rf1+ 68. Ke5 Rg1 69. g6+ Ke7 70. g7 Kf7 71. Be6+ Ke7 72. g8Q 1-0

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2021.05.04"]
[Round "8"]
[White "Ochs, Daniel Elias"]
[Black "Dzierzenga, Stefan"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2179"]
[BlackElo "1874"]
[PlyCount "81"]
[EventDate "2021.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. e3 g6 4. Nf3 Bg7 5. Nc3 0-0 6. Bd2 cxd4 7. exd4 d5 8. c5 Nc6 9. Bb5 Bg4 10. Bxc6 bxc6 11. 0-0 Rb8 12. b3 Ne4 13. h3 Bxf3 14. gxf3 Nxd2 15. Qxd2 e5 16. dxe5 Bxe5 17. Rad1 Qf6 18. Ne2 Qxf3 19. Qd3 Qxd3 20. Rxd3 Rfe8 21. Kg2 Bg7 22. Ng3 f5 23. Rc1 Re6 24. a3 Rbe8 25. b4 a6 26. Nf1 Bh6 27. Rb1 Re2 28. h4 R8e4 29. Ng3 Rg4 30. a4 Ra2 31. b5 axb5 32. axb5 cxb5 33. Rxb5 Bf4 34. Kf3 Bxg3 35. fxg3 d4 36. Rb8+ Kg7 37. Rb7+ Kg8 38. c6 Rc2 39. c7 Rxc7 40. Rxc7 h6 41. Rd7 1-0

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2021.05.04"]
[Round "1"]
[White "Sondermann, Dirk"]
[Black "Dzierzenga, Stefan"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1578"]
[BlackElo "1874"]
[PlyCount "24"]
[EventDate "2021.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. c4 Bb7 5. Qc2 bxc4 6. e4 e6 7. dxe6 fxe6 8. Nc3 d5 9. e5 Nfd7 10. Bf4 Be7 11. Be2 0-0 12. 0-0 Rxf4 0-1

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2021.05.04"]
[Round "10"]
[White "Volkmer, Andreas"]
[Black "Dzierzenga, Stefan"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2067"]
[BlackElo "1874"]
[PlyCount "116"]
[EventDate "2021.05.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. Nc3 Nf6 2. e4 d6 3. Nf3 e5 4. h3 Be7 5. Bc4 0-0 6. a3 c6 7. 0-0 b5 8. Ba2 Na6 9. d3 Nc7 10. Ne2 Be6 11. Ng3 Bxa2 12. Rxa2 g6 13. Ra1 Ne6 14. Ng5 Nxg5 15. Bxg5 Nd7 16. Bh6 Re8 17. Bd2 Bg5 18. f4 exf4 19. Bxf4 Bxf4 20. Rxf4 Ne5 21. Ne2 Qg5 22. Qf1 Re7 23. Qf2 c5 24. Nc3 a6 25. Nd5 Rb7 26. Rf1 Rf8 27. Rh4 h5 28. Rf4 Kg7 29. h4 Qd8 30. Qg3 a5 31. c3 b4 32. d4 Ng4 33. Nf6 Nxf6 34. Rxf6 bxc3 35. bxc3 cxd4 36. Rxd6 Rd7 37. Rxd7 Qxd7 38. Qe5+ f6 39. Qxd4 Qxd4+ 40. cxd4 Rb8 41. d5 Rb3 42. Rc1 Rxa3 43. Rc7+ Kf8 44. Kf2 a4 45. Ra7 f5 46. e5 Rd3 47. d6 Rd5 48. Kf3 Rxe5 49. Rxa4 Rd5 50. Ra6 Kf7 51. Kf4 Rd4+ 52. Ke5 Rxh4 53. Ra7+ Ke8 54. Ke6 Re4+ 55. Kf6 Rg4 56. Ke6 Re4+ 57. Kf6 Rg4 58. Ke6 Re4+ 1/2-1/2

[Event "DSOL 01 Liga Gr-A 1st"]
[Site "Playchess.com INT"]
[Date "2020.08.13"]
[Round "2.3"]
[White "Zippert, Georg"]
[Black "Dzierzenga, Stefan"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1796"]
[BlackElo "2107"]
[PlyCount "164"]
[EventDate "2020.06.22"]
[EventType "team-tourn (rapid)"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Hamburg SF"]
[BlackTeam "Koeln Lasker"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd2 Ne7 6. Nf3 Bf5 7. a3 Bd6 8. Be2 0-0 9. 0-0 c6 10. Bg5 f6 11. Be3 Ng6 12. Bd3 Qd7 13. Ne2 Na6 14. b4 Nc7 15. Ng3 Be6 16. Qd2 Ne8 17. Bxg6 hxg6 18. Bf4 g5 19. Bxd6 Nxd6 20. Qd3 Bf5 21. Nxf5 Qxf5 22. Qxf5 Nxf5 23. h3 Rfe8 24. Rfe1 Re4 25. c3 Nd6 26. Nd2 Ree8 27. a4 Kf7 28. Kf1 Rxe1+ 29. Rxe1 a5 30. Rb1 b5 31. axb5 Nxb5 32. Ra1 a4 33. Nb1 a3 34. Ra2 Re8 35. Nd2 Nxc3 36. Rxa3 Nb5 37. Rd3 Ra8 38. Nf3 Ra1+ 39. Ke2 Rb1 40. Ke3 Rxb4 41. Nd2 f5 42. g3 f4+ 43. gxf4 gxf4+ 44. Kxf4 Rxd4+ 45. Rxd4 Nxd4 46. Ke5 Nb5 47. f4 Ke7 48. f5 Nd6 49. Nb3 Nf7+ 50. Kf4 Kf6 51. Nc5 Nd6 52. Nd7+ Ke7 53. Nc5 Nf7 54. h4 Nd8 55. Ke5 Nf7+ 56. Kf4 Kd6 57. Ne6 c5 58. Nxg7 c4 59. Ne6 c3 60. Nd4 Kc5 61. Nc2 Kc4 62. Ke3 Nh6 63. f6 Ng4+ 64. Kf4 Nxf6 65. Ke5 Nd7+ 66. Ke6 Nc5+ 67. Ke5 Nd7+ 68. Ke6 Nf8+ 69. Kf7 Nh7 70. Kg7 d4 71. Kxh7 d3 72. Ne3+ Kd4 73. Nf1 c2 74. h5 c1Q 75. h6 Qxf1 76. Kg7 Qg2+ 77. Kh8 Qa8+ 78. Kg7 Qb7+ 79. Kg8 Qc8+ 80. Kg7 Qd7+ 81. Kg8 Qe6+ 82. Kg7 Qxh6+ 0-1

[Event "DSOL 01 Liga Gr-A 1st"]
[Site "Playchess.com INT"]
[Date "2020.07.16"]
[Round "4.3"]
[White "Aldag, Thomas"]
[Black "Dzierzenga, Stefan"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1869"]
[BlackElo "2107"]
[PlyCount "18"]
[EventDate "2020.06.22"]
[EventType "team-tourn (rapid)"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Rinteln"]
[BlackTeam "Koeln Lasker"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. d4 d5 3. Bd3 Nf6 4. e5 Nfd7 5. c3 c5 6. Nf3 b6 7. 0-0 Ba6 8. Bxa6 Nxa6 9. Re1 Be7 1/2-1/2

[Event "DSOL 01 Liga Gr-A 1st"]
[Site "Playchess.com INT"]
[Date "2020.06.24"]
[Round "1.4"]
[White "Dzierzenga, Stefan"]
[Black "Uhl, Heinz"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "2107"]
[BlackElo "2124"]
[PlyCount "66"]
[EventDate "2020.06.22"]
[EventType "team-tourn (rapid)"]
[EventCountry "GER"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]
[WhiteTeam "Koeln Lasker"]
[BlackTeam "Weisse Dame"]
[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 d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Bd4 e5 13. Bc5 Be6 14. Ne4 Rb8 15. c4 Nb6 16. Bxf8 Qxf8 17. Qd6 Nxc4 18. Qxf8+ Kxf8 19. Bxc4 Bxc4 20. b3 Bd5 21. Nc3 Be6 22. Rd6 Rc8 23. Rhd1 Ke7 24. g4 Bd5 25. R6xd5 cxd5 26. Kd2 Ke6 27. Nb5 a6 28. Na3 Bf8 29. Nc2 Bh6+ 30. Kd3 e4+ 31. fxe4 dxe4+ 32. Kxe4 Rxc2 33. Rd8 Rxh2 0-1

[Event "GER-ch Net blitz qual5"]
[Site "Playchess.com INT"]
[Date "2020.03.28"]
[Round "7"]
[White "Ahlberg, Matthias"]
[Black "Dzierzenga, Stefan"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2207"]
[BlackElo "2194"]
[PlyCount "82"]
[EventDate "2020.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. Qe2 Ne7 3. b3 d5 4. e5 c5 5. Bb2 Nbc6 6. f4 a6 7. Nf3 b5 8. d4 cxd4 9. Nxd4 Nxd4 10. Bxd4 Nc6 11. c3 Nxd4 12. cxd4 Bb4+ 13. Kf2 0-0 14. a3 Be7 15. Nd2 f6 16. Nf3 fxe5 17. fxe5 Qb6 18. Qd2 Bd7 19. Bd3 Qxd4+ 20. Kg3 Rxf3+ 21. gxf3 Qxe5+ 22. Kg2 Qf6 23. Rhg1 Rf8 24. Raf1 Bxa3 25. Kh1 Bd6 26. Rg2 Bf4 27. Qc2 h6 28. Rg6 Qh4 29. Rfg1 Rf7 30. R6g4 Qf6 31. Bh7+ Kh8 32. Bg6 Rf8 33. Bd3 Be3 34. R1g2 Qxf3 35. Rxg7 Rf5 36. Rg8+ Kh7 37. Bxf5+ exf5 38. R8g7+ Kh8 39. Qb2 d4 40. h4 Bc6 41. Qc2 Qh3# 0-1

[Event "GER-ch Net blitz qual5"]
[Site "Playchess.com INT"]
[Date "2020.03.28"]
[Round "8"]
[White "Dzierzenga, Stefan"]
[Black "Foerster, Erik"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2194"]
[BlackElo "2064"]
[PlyCount "74"]
[EventDate "2020.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 Bd7 5. bxc5 Bxc5 6. d4 Bb6 7. Bd3 Ne7 8. 0-0 a6 9. c3 Bb5 10. Bxb5+ axb5 11. Qb3 Qd7 12. Na3 0-0 13. Nxb5 Rc8 14. Nd6 Rc6 15. Bd2 Nc8 16. Nb5 Na7 17. Nd6 Nc8 18. Nxc8 Qxc8 19. a4 Ba5 20. Rfb1 b6 21. h4 Ra7 22. Ra3 Rac7 23. Qc2 Rc4 24. Ng5 g6 25. Qd3 Qe8 26. h5 Rxa4 27. Rxa4 Qxa4 28. hxg6 hxg6 29. Qh3 Qc2 30. Qh7+ Kf8 31. Qh8+ Ke7 32. Qf6+ Ke8 33. Qh8+ Kd7 34. Nxf7 Qxb1+ 35. Kh2 Qf5 36. Nd6 Qh5+ 37. Qxh5 gxh5 0-1

[Event "GER-ch Net blitz qual5"]
[Site "Playchess.com INT"]
[Date "2020.03.28"]
[Round "5"]
[White "Dzierzenga, Stefan"]
[Black "Kornitzky, Tino"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2194"]
[BlackElo "2137"]
[PlyCount "32"]
[EventDate "2020.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 d5 2. Nf3 dxe4 3. Ng5 Nf6 4. Qe2 Bf5 5. Qb5+ Bd7 6. Qxb7 Nc6 7. Bb5 Rb8 8. Qa6 Rb6 9. Qa4 a6 10. Bxc6 Bxc6 11. Qa5 h6 12. Nh3 e6 13. Nc3 Nd5 14. 0-0 Bb4 15. Nxd5 Bxa5 16. Nxb6 Bxb6 0-1

[Event "GER-ch Net blitz qual5"]
[Site "Playchess.com INT"]
[Date "2020.03.28"]
[Round "9"]
[White "Dzierzenga, Stefan"]
[Black "Ochmann, Reimund"]
[Result "0-1"]
[ECO "C72"]
[WhiteElo "2194"]
[BlackElo "1932"]
[PlyCount "42"]
[EventDate "2020.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. 0-0 Bg4 6. c3 Qf6 7. d3 Nge7 8. Nbd2 Ng6 9. h3 h5 10. Nc4 b5 11. Ne3 Bxf3 12. gxf3 bxa4 13. Nf5 Nge7 14. Qxa4 Kd7 15. d4 Nxf5 16. d5 Nh4 17. Qxc6+ Ke7 18. Qxc7+ Ke8 19. Qc6+ Ke7 20. Qxa8 Qg6+ 21. Kh2 Qg2# 0-1

[Event "GER-ch Net blitz qual5"]
[Site "Playchess.com INT"]
[Date "2020.03.28"]
[Round "11"]
[White "Dzierzenga, Stefan"]
[Black "Perestjuk, Marko"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "2194"]
[BlackElo "2126"]
[PlyCount "64"]
[EventDate "2020.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[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 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 Nxd4 10. Bxd4 Be6 11. Kb1 Qc7 12. g4 Rfc8 13. g5 Nd7 14. Bxg7 Kxg7 15. h4 Qa5 16. Qd4+ Kg8 17. Nd5 Bxd5 18. exd5 Qc5 19. Qd2 Ne5 20. Be2 Rc7 21. h5 Rac8 22. hxg6 fxg6 23. c3 b5 24. f4 Nd7 25. Bg4 Nf8 26. Bxc8 Rxc8 27. Qd4 Qc7 28. Qe4 a5 29. a3 b4 30. axb4 axb4 31. Qxb4 Rb8 32. Qd4 Qa5 0-1

[Event "GER-ch Net blitz qual5"]
[Site "Playchess.com INT"]
[Date "2020.03.28"]
[Round "12"]
[White "Dzierzenga, Stefan"]
[Black "Zhou, Lepu Coco"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2194"]
[BlackElo "1872"]
[PlyCount "157"]
[EventDate "2020.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. d3 b5 7. Bb3 d6 8. a3 0-0 9. Nc3 Na5 10. Ba2 c5 11. h3 Nc6 12. Nd5 Be6 13. Nxf6+ Bxf6 14. Be3 Rc8 15. c3 g6 16. Bd2 Bg7 17. Ng5 Bxa2 18. Rxa2 h6 19. Nf3 f5 20. b4 Qf6 21. a4 Qe6 22. Ra3 cxb4 23. cxb4 fxe4 24. dxe4 Qc4 25. Qb3 Qxb3 26. Rxb3 bxa4 27. Ra3 Nb8 28. Rxa4 Rc4 29. Re1 Rfc8 30. Ra5 Bf6 31. Bxh6 Rxb4 32. Rd5 Be7 33. Bg5 Bxg5 34. Nxg5 Rc6 35. Red1 Rbb6 36. Ne6 Nd7 37. Nd8 Rc8 38. Ne6 Nf6 39. Rxd6 Rxd6 40. Rxd6 Rc1+ 41. Kh2 a5 42. Ra6 Ra1 43. f3 a4 44. Nc5 a3 45. Rxf6 a2 46. Rxg6+ Kf7 47. Ra6 Rc1 48. Nb3 Rb1 49. Nd2 a1Q 50. Rxa1 Rxa1 51. Nc4 Kf6 52. Nd6 Rd1 53. Nb5 Rd2 54. Kg3 Kg5 55. Nc3 Rc2 56. Nd5 Rd2 57. h4+ Kh5 58. Kh3 Rf2 59. g4+ Kg6 60. Kg3 Rf1 61. Ne3 Rg1+ 62. Kf2 Rh1 63. h5+ Kg5 64. Ng2 Ra1 65. Kg3 Ra2 66. Ne3 Ra1 67. Nc4 Rg1+ 68. Kf2 Ra1 69. Nxe5 Ra2+ 70. Kg3 Ra3 71. Nf7+ Kf6 72. Nd6 Kg5 73. Nb5 Rb3 74. Nd4 Ra3 75. Nf5 Rb3 76. h6 Kg6 77. Kf4 Rb5 78. g5 Ra5 79. Nh4+ 1-0

[Event "GER-ch Net blitz qual5"]
[Site "Playchess.com INT"]
[Date "2020.03.28"]
[Round "13"]
[White "Grabow, Carsten"]
[Black "Dzierzenga, Stefan"]
[Result "1-0"]
[ECO "C05"]
[WhiteElo "2067"]
[BlackElo "2194"]
[PlyCount "87"]
[EventDate "2020.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. f4 Nc6 7. Ndf3 cxd4 8. cxd4 Bb4+ 9. Kf2 a5 10. a3 Be7 11. h4 a4 12. Bd2 Nb6 13. Bc3 Na5 14. Bd3 Nb3 15. Rb1 Nc4 16. h5 h6 17. g4 Bd7 18. Bxc4 dxc4 19. Ne2 Bc6 20. Rg1 Be4 21. Ng3 Bxb1 22. Qxb1 Qd5 23. Ne4 b5 24. Qe1 Nc1 25. Qxc1 Qxe4 26. Re1 Qd5 27. Qd2 Rd8 28. Kg2 g6 29. hxg6 fxg6 30. Qc2 Rg8 31. Rh1 h5 32. g5 Kd7 33. Kg3 Rdf8 34. Re1 Rf5 35. Nh4 Rxg5+ 36. fxg5 Bxg5 37. Nxg6 h4+ 38. Kh3 Bh6 39. Rf1 Be3 40. Rf7+ Kd8 41. Ba5+ Kc8 42. Ne7+ Kb8 43. Nxd5 exd5 44. Qf5 1-0

[Event "GER-ch Net blitz qual5"]
[Site "Playchess.com INT"]
[Date "2020.03.28"]
[Round "4"]
[White "Lantzsch, Christian"]
[Black "Dzierzenga, Stefan"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2178"]
[BlackElo "2194"]
[PlyCount "124"]
[EventDate "2020.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. b3 d5 3. Bb2 Nf6 4. e5 Nfd7 5. f4 c5 6. Qg4 Nc6 7. Nf3 a6 8. Be2 b5 9. 0-0 Bb7 10. a4 b4 11. d3 a5 12. Nbd2 h6 13. Rae1 Qb6 14. Kh1 0-0-0 15. Qh3 Re8 16. g4 f6 17. exf6 gxf6 18. g5 Bg7 19. g6 Rhf8 20. Nh4 Qc7 21. Bg4 f5 22. Bxg7 fxg4 23. Qxg4 Rg8 24. Bxh6 Nd4 25. f5 exf5 26. Nxf5 Nxf5 27. Qxf5 d4+ 28. Ne4 Qc6 29. Rg1 Re6 30. Bf4 Rexg6 31. Rxg6 Qxg6 32. Qxg6 Rxg6 33. Rg1 Bxe4+ 34. dxe4 Rf6 35. Rg8+ Kb7 36. Rg4 Kc6 37. Kg2 c4 38. h4 cxb3 39. cxb3 d3 40. Be3 Ne5 41. Rg5 Nf3 42. Rxa5 Nxh4+ 43. Kg3 Rf3+ 44. Kxh4 Rxe3 45. Ra8 Rxe4+ 46. Kg3 Rd4 47. Rc8+ Kd5 48. Rc1 d2 49. Rd1 Ke4 50. Kf2 Kd3 51. a5 Rf4+ 52. Kg3 Rf5 53. Ra1 Kc2 54. Kg4 Rxa5 55. Rxa5 d1Q+ 56. Kf4 Qd4+ 57. Kf5 Qd7+ 58. Ke4 Qc6+ 59. Kd4 Qb6+ 60. Rc5+ Kxb3 61. Kd5 Qxc5+ 62. Kxc5 Kc3 0-1

[Event "GER-ch Net blitz qual5"]
[Site "Playchess.com INT"]
[Date "2020.03.28"]
[Round "10"]
[White "Meyer Dunker, Paul"]
[Black "Dzierzenga, Stefan"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2105"]
[BlackElo "2194"]
[PlyCount "91"]
[EventDate "2020.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Be3 cxd4 6. cxd4 f6 7. exf6 Nxf6 8. Nf3 Bd6 9. Nc3 0-0 10. Rc1 a6 11. Bd3 Bd7 12. 0-0 Qc7 13. h3 g6 14. Bh6 Rfe8 15. a3 Bf4 16. Bxf4 Qxf4 17. Re1 Nxd4 18. Nxd4 Qxd4 19. Qc2 Qf4 20. g3 Qh6 21. h4 Rf8 22. Re2 Ng4 23. Rce1 Rac8 24. Qb3 b5 25. Nxd5 Nxf2 26. Ne7+ Kh8 27. Nxc8 Nxd3 28. Qxd3 Bxc8 29. Qe3 Qg7 30. Qe5 Qxe5 31. Rxe5 Kg7 32. Rc1 Kf6 33. Re3 Rd8 34. Rc6 a5 35. Kf2 a4 36. Rb6 Bd7 37. Rd3 Ke7 38. Rb7 e5 39. Ke3 Ke6 40. Rb6+ Ke7 41. Rbd6 e4 42. R3d4 g5 43. hxg5 h6 44. Rxd7+ Rxd7 45. Rxd7+ Kxd7 46. gxh6 1-0

[Event "GER-ch Net blitz qual5"]
[Site "Playchess.com INT"]
[Date "2020.03.28"]
[Round "6"]
[White "Roelle, Philipp"]
[Black "Dzierzenga, Stefan"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2061"]
[BlackElo "2194"]
[PlyCount "125"]
[EventDate "2020.03.28"]
[EventType "swiss (blitz)"]
[EventRounds "13"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 Bd7 7. 0-0 cxd4 8. cxd4 Nxd4 9. Nxd4 Qxd4 10. Nc3 Qb6 11. Kh1 Nh6 12. f4 Rc8 13. Qe2 Bc5 14. f5 Nxf5 15. Bxf5 exf5 16. Nxd5 Qe6 17. Nf4 Qa6 18. Qxa6 bxa6 19. Bd2 0-0 20. Bc3 Be6 21. a3 Rfd8 22. Rf3 Rd7 23. h4 Rcd8 24. Kh2 h6 25. Rg3 Rd1 26. Rxd1 Rxd1 27. Nh5 g6 28. Nf4 Kh7 29. Rd3 Rxd3 30. Nxd3 Be7 31. Kg3 g5 32. hxg5 hxg5 33. Kf2 Kg6 34. Ne1 f4 35. Nf3 Bc5+ 36. Bd4 Bb6 37. Bxb6 axb6 38. Nd4 Bd5 39. b4 g4 40. g3 f3 41. Ke3 Kg5 42. a4 Bb7 43. a5 bxa5 44. bxa5 Bd5 45. Kf2 Bb7 46. Ke3 Bd5 47. Kf2 f5 48. e6 Kf6 49. e7 Kxe7 50. Nxf5+ Kf6 51. Ne3 Be6 52. Nc2 Ke5 53. Nb4 Bc4 54. Nc2 Ke4 55. Ne3 Be6 56. Nc2 Kd3 57. Nb4+ Kc4 58. Nxa6 Kb5 59. Nc7+ Kxa5 60. Nxe6 Kb5 61. Nd4+ Kc4 62. Nc2 Kd3 63. Ne3 1-0

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2020.03.16"]
[Round "4"]
[White "Ahlberg, Matthias"]
[Black "Dzierzenga, Stefan"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "2207"]
[BlackElo "2194"]
[PlyCount "81"]
[EventDate "2020.03.16"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd2 Nc6 6. a3 Ba5 7. dxc5 Nxe5 8. b4 Bc7 9. Nf3 Nf6 10. Bb5+ Bd7 11. 0-0 Bxb5 12. Nxb5 a5 13. Bc3 Ned7 14. Nfd4 0-0 15. Nxc7 Qxc7 16. Nb5 Qc6 17. Nd4 Qc7 18. Qd2 e5 19. Nf5 d4 20. Bb2 h6 21. Rfe1 Rfe8 22. Nd6 Re6 23. f3 b6 24. Ne4 bxc5 25. b5 c4 26. Qf2 c3 27. Bc1 Nxe4 28. Rxe4 Nf6 29. Re1 a4 30. f4 Rd8 31. fxe5 Rxe5 32. Bf4 Rxe1+ 33. Rxe1 Qc5 34. Bxh6 Ng4 35. Qh4 d3+ 36. Be3 Nxe3 37. Qxd8+ Kh7 38. Qh4+ Kg8 39. Qd8+ Kh7 40. Qh4+ Kg8 41. Qd8+ 1/2-1/2

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2020.03.16"]
[Round "3"]
[White "Dahmen, Christoph"]
[Black "Dzierzenga, Stefan"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2091"]
[BlackElo "2194"]
[PlyCount "54"]
[EventDate "2020.03.16"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Bd6 5. Bd3 Ne7 6. 0-0 Bf5 7. c3 0-0 8. h3 c6 9. Re1 Bxd3 10. Qxd3 Na6 11. Bg5 f6 12. Be3 Nc7 13. Nbd2 Qd7 14. Nb3 Rae8 15. Qd2 Ng6 16. a3 Re4 17. Qd3 Rfe8 18. Bd2 b6 19. Rxe4 dxe4 20. Qc4+ Kh8 21. Nh2 f5 22. Nf1 f4 23. Re1 f3 24. gxf3 Qxh3 25. Rxe4 Rxe4 26. fxe4 Nh4 27. Ne3 Nf3# 0-1

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2020.03.16"]
[Round "1"]
[White "Dzierzenga, Stefan"]
[Black "Borna, Mohammed NIa"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2194"]
[BlackElo "1620"]
[PlyCount "96"]
[EventDate "2020.03.16"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. d4 Nc6 6. a3 f5 7. axb4 Bxb4+ 8. c3 Be7 9. Bd3 Nh6 10. 0-0 Nf7 11. Ba3 0-0 12. Bxe7 Qxe7 13. Na3 a6 14. Qb3 Rb8 15. Qb6 Qd8 16. Rfb1 Qxb6 17. Rxb6 Ra8 18. Nb5 Rb8 19. Na3 Nfd8 20. Rab1 Bd7 21. Bxa6 Ra8 22. Bxb7 Rxa3 23. Bxc6 Bxc6 24. Rc1 Bd7 25. Rd6 Bc8 26. c4 Nb7 27. Rb6 dxc4 28. h4 Na5 29. Ng5 c3 30. Nxe6 Bxe6 31. Rxe6 Rd8 32. Rd6 Rxd6 33. exd6 Kf8 34. Kf1 Ke8 35. Ke2 Kd7 36. Kd3 Kxd6 37. Rxc3 Rxc3+ 38. Kxc3 Kd5 39. Kd3 Nc6 40. Ke3 Nxd4 41. Kf4 g6 42. h5 Ne6+ 43. Ke3 g5 44. g3 Ke5 45. f3 f4+ 46. gxf4+ gxf4+ 47. Kd3 Kf5 48. Kc4 Ng5 0-1

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2020.03.16"]
[Round "2"]
[White "Dzierzenga, Stefan"]
[Black "Braun, Julian"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2194"]
[BlackElo "1620"]
[PlyCount "113"]
[EventDate "2020.03.16"]
[EventType "swiss (blitz)"]
[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. Nf3 Nc6 3. Bb5 Bc5 4. 0-0 d6 5. c3 Nf6 6. d4 exd4 7. cxd4 Bb6 8. d5 0-0 9. dxc6 a6 10. Ba4 bxc6 11. Bxc6 Rb8 12. Nc3 Bg4 13. Bg5 h6 14. Bh4 g5 15. Bg3 Ba5 16. Rb1 Rb6 17. Bd5 Bxc3 18. bxc3 Nxd5 19. exd5 Rxb1 20. Qxb1 Qf6 21. Qd3 Rb8 22. h3 Bh5 23. Nd4 Bg6 24. Qxa6 Rb2 25. Qc8+ Kg7 26. Qxc7 Bd3 27. Rd1 Qg6 28. Qxd6 Qxd6 29. Bxd6 Be2 30. Re1 Bc4 31. Be5+ f6 32. Bd6 Bxd5 33. a3 Rb6 34. Bb4 Bc4 35. a4 Ra6 36. a5 Kg6 37. Re7 Bd3 38. Re6 Rxe6 39. Nxe6 Kf5 40. Nc5 Bb5 41. a6 Bc6 42. a7 Ba8 43. Na6 Ke6 44. Nc7+ Kd7 45. Nxa8 Kc6 46. Nb6 Kb7 47. a8Q+ Kxb6 48. Qb8+ Kc6 49. Qd6+ Kb7 50. Kf1 Ka7 51. Ke2 Kb7 52. Kd3 Ka7 53. Kc4 Kb7 54. Kb5 Ka7 55. Qc7+ Ka8 56. Kb6 f5 57. Qa7# 1-0

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2020.03.16"]
[Round "8"]
[White "Dzierzenga, Stefan"]
[Black "Heerd, Thomas"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2194"]
[BlackElo "2051"]
[PlyCount "65"]
[EventDate "2020.03.16"]
[EventType "swiss (blitz)"]
[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 Nf6 3. Nc3 c6 4. f3 b5 5. Be3 e5 6. g4 Be7 7. g5 Nh5 8. Qd2 a6 9. Nge2 0-0 10. Ng3 Nf4 11. h4 f5 12. 0-0-0 Qa5 13. Kb1 b4 14. Nce2 Be6 15. b3 Nxe2 16. Nxe2 Nd7 17. Bh3 Nb6 18. Rhf1 Rab8 19. dxe5 dxe5 20. Bxb6 Qxb6 21. Ng3 g6 22. exf5 gxf5 23. g6 Kg7 24. gxh7 Kxh7 25. Qe2 Qc5 26. f4 Rf6 27. fxe5 Rh6 28. Bxf5+ Bxf5 29. Nxf5 Rg6 30. h5 Rg5 31. Nxe7 Qxe7 32. e6 Re8 33. Rd7 1-0

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2020.03.16"]
[Round "7"]
[White "Dzierzenga, Stefan"]
[Black "Radek, Dieter"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2194"]
[BlackElo "1859"]
[PlyCount "55"]
[EventDate "2020.03.16"]
[EventType "swiss (blitz)"]
[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. Be3 e5 7. Nde2 Be6 8. h3 Be7 9. g4 h6 10. Ng3 Nc6 11. Bg2 b5 12. Qd2 0-0 13. 0-0-0 Qa5 14. Kb1 Rac8 15. Nd5 Bxd5 16. exd5 Qxd2 17. Rxd2 Nb8 18. Nf5 Rfe8 19. Nxe7+ Rxe7 20. h4 Rec7 21. g5 hxg5 22. hxg5 Nfd7 23. Be4 g6 24. f3 Nc5 25. Rdh2 Kf8 26. Bxg6 Ke7 27. Rh7 Rf8 28. Bf5 1-0

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2020.03.16"]
[Round "5"]
[White "Dzierzenga, Stefan"]
[Black "Scholz, Florian"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2194"]
[BlackElo "1752"]
[PlyCount "73"]
[EventDate "2020.03.16"]
[EventType "swiss (blitz)"]
[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. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be2 Be6 8. Be3 Nc6 9. Qd2 Ne5 10. h3 Nc4 11. Bxc4 Bxc4 12. Qd4 Be6 13. Qxg7 Bf6 14. Qh6 Qe7 15. 0-0-0 0-0-0 16. Kb1 Rdg8 17. g4 Bg7 18. Qf4 h5 19. g5 Qd7 20. h4 Bg4 21. Rde1 Qb5 22. Nd4 Qa5 23. Qxf7 Be5 24. Qb3 c5 25. Nb5 Re8 26. Na3 Bf3 27. Rhg1 Bh2 28. Nc4 Qc7 29. g6 Bxg1 30. Rxg1 Rhg8 31. a4 Bc6 32. Bf4 Rd8 33. Nxd6+ Rxd6 34. Bxd6 Qxd6 35. Qxg8+ Kc7 36. Qf7+ Bd7 37. g7 1-0

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2020.03.16"]
[Round "9"]
[White "Kutzner, Stephen"]
[Black "Dzierzenga, Stefan"]
[Result "0-1"]
[ECO "A58"]
[WhiteElo "2161"]
[BlackElo "2194"]
[PlyCount "40"]
[EventDate "2020.03.16"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bg7 7. e4 0-0 8. Nf3 Qa5 9. Bd3 Nxd5 10. exd5 Bxc3+ 11. bxc3 Qxc3+ 12. Qd2 Qxa1 13. 0-0 Bxa6 14. Bb2 Qxa2 15. Ra1 Qb3 16. Bb1 d6 17. Ng5 Bb7 18. Rxa8 Bxa8 19. h4 Qxd5 20. Qc3 Qxg2# 0-1

[Event "GER-ch Net blitz qual2"]
[Site "Playchess.com INT"]
[Date "2020.03.16"]
[Round "6"]
[White "Rosner, Jonas"]
[Black "Dzierzenga, Stefan"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2432"]
[BlackElo "2194"]
[PlyCount "49"]
[EventDate "2020.03.16"]
[EventType "swiss (blitz)"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. d5 b5 4. c3 Bb7 5. e4 Nxe4 6. Bxb5 Nf6 7. c4 e6 8. dxe6 fxe6 9. 0-0 Be7 10. Nc3 0-0 11. Bf4 Nc6 12. Bd6 Ne8 13. Bxe7 Qxe7 14. Re1 Nc7 15. Ba4 Qf7 16. Bc2 Nd4 17. Bxh7+ Kh8 18. Be4 Nxf3+ 19. Qxf3 Bxe4 20. Nxe4 Qxf3 21. gxf3 Na6 22. Rad1 Rad8 23. Kg2 d5 24. Ng5 Rf6 25. Nxe6 1-0

[Event "BL2-West 1920"]
[Site "Germany"]
[Date "2020.03.01"]
[Round "7.8"]
[White "Dzierzenga, Stefan"]
[Black "Siebenhaar, Erich"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "2194"]
[BlackElo "2025"]
[PlyCount "17"]
[EventDate "2019.09.19"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Siegburg"]
[BlackTeam "Schott Mainz"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 Nf6 2. Nc3 d5 3. e5 Nfd7 4. e6 fxe6 5. d4 c5 6. dxc5 Nc6 7. Nf3 g6 8. Nd4 Nxc5 9. Nxc6 1-0

[Event "BL2-West 1920"]
[Site "Germany"]
[Date "2020.02.09"]
[Round "6.7"]
[White "Dzierzenga, Stefan"]
[Black "Dardha, Arben"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2191"]
[BlackElo "2297"]
[PlyCount "52"]
[EventDate "2019.09.19"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Siegburg"]
[BlackTeam "Aachen DJK"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 e6 3. Nge2 Nc6 4. g3 d5 5. exd5 exd5 6. Bg2 d4 7. Nd5 Nf6 8. Nef4 Nxd5 9. Nxd5 Be6 10. Nf4 Bf5 11. 0-0 Be7 12. Nd5 0-0 13. Nxe7+ Qxe7 14. d3 Rfe8 15. Bd2 Qd7 16. Re1 Ne5 17. f3 Nc6 18. Rxe8+ Rxe8 19. g4 Be6 20. Qf1 Nb4 21. Bxb4 cxb4 22. Qf2 Rc8 23. h3 g6 24. f4 a5 25. b3 Rc5 26. Re1 b5 1/2-1/2

[Event "BL2-West 1920"]
[Site "Germany"]
[Date "2019.11.24"]
[Round "3.8"]
[White "Hainke, Guntram"]
[Black "Dzierzenga, Stefan"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "2336"]
[BlackElo "2189"]
[PlyCount "40"]
[EventDate "2019.09.19"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Duesseldorf"]
[BlackTeam "Siegburg"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. c4 Bg7 5. Nc3 e5 6. a3 Nge7 7. 0-0 0-0 8. Ne1 d6 9. Nc2 Be6 10. Nd5 Rb8 11. d3 b5 12. e4 bxc4 13. dxc4 Na5 14. Qe2 Nb3 15. Rb1 Nc6 16. Bd2 Ncd4 17. Qd3 Bxd5 18. exd5 Nxd2 19. Qxd2 Nb3 20. Qe2 f5 1/2-1/2

[Event "AUT-chT2O 1920"]
[Site "Austria"]
[Date "2019.11.17"]
[Round "4.4"]
[White "Dzierzenga, Stefan"]
[Black "Newrkla, Katharina"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "2188"]
[BlackElo "2217"]
[PlyCount "59"]
[EventDate "2019.10.19"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "Baden Invest"]
[BlackTeam "Wien Austria"]
[WhiteTeamCountry "AUT"]
[BlackTeamCountry "AUT"]

1. e4 c5 2. Be2 Nc6 3. f4 g6 4. Nf3 Bg7 5. d3 d6 6. 0-0 e5 7. fxe5 dxe5 8. Nc3 Nge7 9. Be3 Nd4 10. Qd2 0-0 11. Bd1 b6 12. Bh6 Nxf3+ 13. Bxf3 Be6 14. Bg5 f6 15. Be3 Qd7 16. Qf2 Rad8 17. a4 Nc6 18. a5 Nd4 19. axb6 axb6 20. Ra6 Qb7 21. Raa1 Ra8 22. Bxd4 cxd4 23. Nb5 Qd7 24. c4 dxc3 25. Nxc3 Qxd3 26. Qxb6 Qd4+ 27. Qxd4 exd4 28. Nd5 Bxd5 29. exd5 f5 30. b4 1/2-1/2

[Event "AUT-chT2O 1920"]
[Site "Austria"]
[Date "2019.11.16"]
[Round "3.4"]
[White "Froewis, Annika"]
[Black "Dzierzenga, Stefan"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "2074"]
[BlackElo "2188"]
[PlyCount "67"]
[EventDate "2019.10.19"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]
[WhiteTeam "Donaustadt"]
[BlackTeam "Baden Invest"]
[WhiteTeamCountry "AUT"]
[BlackTeamCountry "AUT"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Be3 d5 5. Qd2 dxe4 6. Nxe4 Nd7 7. Bc4 Ngf6 8. Nxf6+ Nxf6 9. f3 h6 10. Ne2 Nd5 11. Bf2 Be6 12. Bd3 Qd7 13. 0-0 0-0 14. c4 Nb6 15. Rac1 Bf5 16. Bxf5 Qxf5 17. Ng3 Qc8 18. Rfe1 Re8 19. Ne4 Nd7 20. Kh1 Kh7 21. Bh4 Qc7 22. Rcd1 Rad8 23. Qb4 Nf6 24. Bg3 Qb6 25. Qxb6 axb6 26. Bc7 Ra8 27. a3 Ra4 28. Bxb6 Rxc4 29. Bc5 Rc2 30. Rd2 Rxd2 31. Nxd2 Nd7 32. Rxe7 Rxe7 33. Bxe7 Bxd4 34. b3 1/2-1/2

[Event "BL2-West 1920"]
[Site "Germany"]
[Date "2019.09.29"]
[Round "1.7"]
[White "Dzierzenga, Stefan"]
[Black "Pewny, Uwe"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2188"]
[BlackElo "2212"]
[PlyCount "97"]
[EventDate "2019.09.19"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Siegburg"]
[BlackTeam "Bochum"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. 0-0 0-0 7. a4 c6 8. Ba2 a5 9. Qe2 exd4 10. Nxd4 Nc5 11. Nb3 Nfd7 12. Bf4 Nxb3 13. Bxb3 Nc5 14. Ba2 Qb6 15. Rfb1 Be6 16. Be3 Qb4 17. Bd2 Bf6 18. f3 Bd4+ 19. Kh1 Qb6 20. Nd1 Qd8 21. Bc3 Be5 22. Bxe5 dxe5 23. Ne3 Bxa2 24. Rxa2 Qg5 25. Rd1 Rfd8 26. Rxd8+ Rxd8 27. Ra1 h5 28. b3 Rd4 29. h3 Ne6 30. Rd1 Rxd1+ 31. Nxd1 Qc1 32. c3 Nf4 33. Qf1 h4 34. Kh2 Qb1 35. Qe1 Qxb3 36. Ne3 g5 37. Qd2 Qb6 38. Ng4 Qc7 39. Nf6+ Kh8 40. Ne8 Qe7 41. Nd6 f6 42. Nf5 Qc7 43. Qf2 b6 44. Qf1 Ne6 45. Qa6 Qb8 46. Qc4 Qc8 47. Qb3 Ng7 48. Nxg7 Kxg7 49. Qxb6 1/2-1/2

[Event "Mittelrhein Regionalliga 18/19"]
[Site "Nordrheinwestfalen"]
[Date "2019.05.19"]
[Round "11.6"]
[White "Dzierzenga, Stefan"]
[Black "Winter, Gerhard"]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "2093"]
[BlackElo "1660"]
[PlyCount "81"]
[EventDate "2018.10.28"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Bonn Beuel"]
[BlackTeam "Koeln Ford SF"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Nh3 d6 7. 0-0 Nge7 8. f4 f5 9. Ng5 Nd4 10. Ne2 h6 11. Nf3 Nxf3+ 12. Bxf3 0-0 13. c3 Qc7 14. Be3 Bd7 15. Rc1 a5 16. b4 axb4 17. cxb4 Ba4 18. Qd2 b6 19. e5 Rad8 20. d4 Bc6 21. Bxc6 Qxc6 22. bxc5 dxc5 23. Qc2 Nd5 24. Bf2 Nb4 25. Qc4 Qd5 26. a3 Qxc4 27. Rxc4 Nd3 28. dxc5 b5 29. Rc3 Nxf2 30. Kxf2 Rd5 31. Rb1 Rb8 32. c6 Rc8 33. Ke3 g5 34. Nd4 Kf7 35. Rxb5 gxf4+ 36. gxf4 Rxb5 37. Nxb5 Ke7 38. a4 Bf8 39. a5 Ra8 40. c7 Kd7 41. Na7 1-0

[Event "Mittelrhein Regionalliga 18/19"]
[Site "Nordrheinwestfalen"]
[Date "2019.05.05"]
[Round "10.5"]
[White "Dzierzenga, Stefan"]
[Black "Pejkovic, Patrick Slavko"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2102"]
[BlackElo "2061"]
[PlyCount "31"]
[EventDate "2018.10.28"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Bonn Beuel"]
[BlackTeam "Langenfeld"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. g3 0-0 7. Bg2 Bg4 8. Qd2 Nc6 9. Nxc6 bxc6 10. 0-0 Qd7 11. Qd3 Bh3 12. Bf4 Bxg2 13. Kxg2 Nh5 14. Be3 f5 15. f4 Nf6 16. Rae1 1/2-1/2

[Event "AUT-chT2O 1819"]
[Site "Austria"]
[Date "2019.03.31"]
[Round "11.5"]
[White "Dzierzenga, Stefan"]
[Black "Sadilek, Peter"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2212"]
[BlackElo "2291"]
[PlyCount "60"]
[EventDate "2018.10.06"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]
[WhiteTeam "Baden Invest"]
[BlackTeam "Tschaturanga"]
[WhiteTeamCountry "AUT"]
[BlackTeamCountry "AUT"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 c6 5. Qd2 Nbd7 6. Nf3 Bg7 7. 0-0-0 b5 8. e5 b4 9. exf6 bxc3 10. Qxc3 Nxf6 11. Bc4 0-0 12. Rhe1 Rb8 13. h3 c5 14. Bb3 cxd4 15. Nxd4 Bd7 16. Nc6 Bxc6 17. Qxc6 Qa5 18. Bd2 Qf5 19. g4 Qxf2 20. Rxe7 d5 21. Qc7 Ne4 22. Qf4 Qc5 23. Rc7 Qd4 24. c3 Qb6 25. Be3 Be5 26. Qxe5 Qxe3+ 27. Kc2 Qe2+ 28. Kc1 Qe3+ 29. Kc2 Qe2+ 30. Kc1 Qe3+ 1/2-1/2

[Event "AUT-chT2O 1819"]
[Site "Austria"]
[Date "2019.03.30"]
[Round "10.3"]
[White "Dzierzenga, Stefan"]
[Black "Beck, Hartmuth"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2212"]
[BlackElo "2313"]
[PlyCount "104"]
[EventDate "2018.10.06"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]
[WhiteTeam "Baden Invest"]
[BlackTeam "Wien Ottakring"]
[WhiteTeamCountry "AUT"]
[BlackTeamCountry "AUT"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Bd3 Nc6 6. Nge2 Bg4 7. f3 Bf5 8. Bf4 Qd7 9. g4 Bg6 10. g5 Nd5 11. Nxd5 Qxd5 12. Bxc7 Rc8 13. Bg3 Bxd3 14. Qxd3 Nb4 15. Qd2 Nxc2+ 16. Kf2 Nxa1 17. Rxa1 e6 18. Nc3 Bb4 19. Be5 Bxc3 20. bxc3 0-0 21. h4 Rfd8 22. Qe3 Qc4 23. Rc1 Rd5 24. h5 Rxe5 25. Qxe5 Qxa2+ 26. Kg3 Qd5 27. Qf4 Qd8 28. Kh3 f6 29. g6 Qd5 30. Kg4 b5 31. Ra1 Qd7 32. Qe3 hxg6 33. hxg6 Qe8 34. Rxa7 Qxg6+ 35. Kh4 Kh7 36. Rb7 Qf5 37. Kg3 Kg6 38. Rb6 Rh8 39. Qe4 Rh3+ 40. Kf2 Qxe4 41. fxe4 Rxc3 42. Rxe6 b4 43. Rb6 b3 44. Ke2 Kg5 45. Kd2 Rh3 46. d5 Kf4 47. Re6 b2 48. Kc2 Rh2+ 49. Kb1 Rd2 50. Ka2 g5 51. Rxf6+ Kxe4 52. Rf8 Rxd5 0-1

[Event "Mittelrhein Regionalliga 18/19"]
[Site "Nordrheinwestfalen"]
[Date "2019.02.10"]
[Round "7.5"]
[White "Dzierzenga, Stefan"]
[Black "Herzwurm, Robert"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2147"]
[BlackElo "1938"]
[PlyCount "75"]
[EventDate "2018.10.28"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Bonn Beuel"]
[BlackTeam "Euskirchen Turm"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. Nf3 d5 3. Nc3 Nf6 4. e5 Nfd7 5. d4 c5 6. dxc5 Nc6 7. Bf4 Nxc5 8. Qd2 Be7 9. 0-0-0 Bd7 10. h4 a6 11. Kb1 b5 12. Bd3 Rb8 13. Ne2 Na5 14. Bg5 Nc4 15. Qe1 Qc7 16. Ned4 a5 17. Bc1 Na4 18. Rh3 Bb4 19. c3 Be7 20. Bc2 b4 21. Bxa4 Bxa4 22. b3 Qb7 23. bxa4 bxc3+ 24. Nb3 Bb4 25. Qe2 Qc6 26. Nfd4 Qxa4 27. Ka1 Qd7 28. Nc2 Qb7 29. Nxb4 Qxb4 30. Qc2 a4 31. Nd4 Nd2 32. Bxd2 Qxd4 33. Qxc3 Qb6 34. Be3 Qb5 35. Qa3 Kd7 36. Qd6+ Ke8 37. Bd4 Rb7 38. Rc1 1-0

[Event "Mittelrhein Regionalliga 18/19"]
[Site "Nordrheinwestfalen"]
[Date "2019.01.20"]
[Round "6.6"]
[White "Dzierzenga, Stefan"]
[Black "Lemaic, Mile"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "2147"]
[BlackElo "1969"]
[PlyCount "95"]
[EventDate "2018.10.28"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Bonn Beuel"]
[BlackTeam "Koeln SF II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Nh3 Nf6 8. 0-0 0-0 9. Qd2 Re8 10. Bh6 Bh8 11. Bg5 Qa5 12. Kh1 d5 13. Qf4 Nh5 14. Qh4 d4 15. Nb1 f6 16. Bd2 Qd8 17. g4 Ng7 18. f4 e5 19. f5 Rf8 20. Na3 Qe7 21. Qh6 g5 22. Bxg5 fxg5 23. f6 Rxf6 24. Rxf6 Ne6 25. Rf5 Bg7 26. Qh5 h6 27. Raf1 Nf4 28. Nxf4 exf4 29. Nc4 Bxf5 30. exf5 Rc8 31. h4 b5 32. hxg5 bxc4 33. Bd5+ Kf8 34. f6 Bxf6 35. Rxf4 Qe1+ 36. Kg2 Ne5 37. Rxf6+ Ke7 38. Rf2 cxd3 39. cxd3 c4 40. g6 cxd3 41. Qh4+ Kd6 42. Rf6+ Kxd5 43. Qxe1 Rc2+ 44. Kh3 Re2 45. Qh1+ Kc5 46. g7 d2 47. g8Q Re1 48. Qhd5+ 1-0

[Event "AUT-chT2O 1819"]
[Site "Austria"]
[Date "2019.01.13"]
[Round "7.3"]
[White "Dzierzenga, Stefan"]
[Black "Lipp, Alfred"]
[Result "1/2-1/2"]
[ECO "B76"]
[WhiteElo "2212"]
[BlackElo "1996"]
[PlyCount "66"]
[EventDate "2018.10.06"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]
[WhiteTeam "Baden Invest"]
[BlackTeam "Wiener Amateur CC "]
[WhiteTeamCountry "AUT"]
[BlackTeamCountry "AUT"]

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. g4 Be6 10. Nxe6 fxe6 11. 0-0-0 Ne5 12. Be2 Rc8 13. Nb5 Qd7 14. Qb4 a6 15. Nd4 b5 16. Kb1 Nc4 17. Bc1 e5 18. Nb3 Qa7 19. Qe1 Nd7 20. Na5 Ndb6 21. Nxc4 Nxc4 22. b3 Nb6 23. Be3 Qc7 24. Qd2 Rfd8 25. h4 e6 26. Bg5 Rd7 27. Bd3 d5 28. h5 Nc4 29. Bxc4 bxc4 30. hxg6 hxg6 31. Bh6 cxb3 32. cxb3 dxe4 33. Qxd7 Qc2+ 1/2-1/2

[Event "AUT-chT2O 1819"]
[Site "Austria"]
[Date "2019.01.12"]
[Round "6.5"]
[White "Mozny, Milos"]
[Black "Dzierzenga, Stefan"]
[Result "1-0"]
[ECO "A31"]
[WhiteElo "2283"]
[BlackElo "2212"]
[PlyCount "67"]
[EventDate "2018.10.06"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2019.05.31"]
[SourceQuality "1"]
[WhiteTeam "Hietzing"]
[BlackTeam "Baden Invest"]
[WhiteTeamCountry "AUT"]
[BlackTeamCountry "AUT"]

1. d4 Nf6 2. Nf3 c5 3. c4 cxd4 4. Nxd4 e5 5. Nb5 d5 6. cxd5 Bc5 7. e3 0-0 8. N5c3 e4 9. a3 Qe7 10. b4 Bd6 11. Nd2 Be5 12. Bb2 Rd8 13. Qc2 Bf5 14. Be2 Nxd5 15. Nxd5 Rxd5 16. Bxe5 Qxe5 17. 0-0 Nc6 18. Rad1 Rad8 19. Nc4 Qf6 20. Rxd5 Rxd5 21. Rd1 Rxd1+ 22. Qxd1 h6 23. h3 Qc3 24. Nd6 Bg6 25. h4 h5 26. g3 Qxa3 27. Bxh5 Bxh5 28. Qxh5 Qb3 29. Kg2 Nxb4 30. Qb5 a5 31. Qe8+ Kh7 32. Nxf7 Qd5 33. g4 g6 34. Qh8# 1-0

[Event "Mittelrhein Regionalliga 18/19"]
[Site "Nordrheinwestfalen"]
[Date "2018.12.16"]
[Round "5.5"]
[White "Dzierzenga, Stefan"]
[Black "Suppert, Timur"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2146"]
[BlackElo "2075"]
[PlyCount "94"]
[EventDate "2018.10.28"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Bonn Beuel"]
[BlackTeam "Bonn Stadtverwaltung"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 d5 2. exd5 Nf6 3. Bb5+ Nbd7 4. Nf3 Nxd5 5. d4 c6 6. Be2 Qc7 7. 0-0 g6 8. Re1 Bg7 9. c4 N5b6 10. Bd3 e6 11. Nc3 0-0 12. Qe2 h6 13. g3 Nf6 14. Bf4 Qd8 15. Rad1 Re8 16. Qd2 Kh7 17. Ne5 Re7 18. Qc2 Qe8 19. Ne4 Nxe4 20. Bxe4 Nd7 21. Nf3 Nf6 22. Bd3 b6 23. h4 Kh8 24. Qd2 h5 25. Ne5 Bb7 26. Bg5 Rc7 27. Qf4 Qe7 28. Re3 c5 29. d5 Rd8 30. Rde1 exd5 31. Nc6 Qxe3 32. Rxe3 Rxc6 33. Bxf6 Bxf6 34. cxd5 Rcd6 35. Re8+ Kg7 36. Rxd8 Rxd8 37. Bc4 Bxd5 38. Bxd5 Rxd5 39. b3 Rf5 40. Qc7 Bd4 41. Qxa7 Rxf2 42. Kh1 Rf6 43. a4 Bc3 44. Qb7 Ba5 45. Qd5 Re6 46. Kg1 Be1 47. Qd3 Ba5 1/2-1/2

[Event "Mittelrhein Regionalliga 18/19"]
[Site "Nordrheinwestfalen"]
[Date "2018.11.18"]
[Round "4.6"]
[White "Dzierzenga, Stefan"]
[Black "Mohammadi Nia, Borna"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2146"]
[BlackElo "2102"]
[PlyCount "70"]
[EventDate "2018.10.28"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Bonn Beuel"]
[BlackTeam "Aachen DJK Aufwärts III"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 Nf6 5. f3 0-0 6. g4 e5 7. Nge2 Nc6 8. d5 Ne7 9. Qd2 c6 10. g5 Nh5 11. dxc6 bxc6 12. 0-0-0 d5 13. exd5 cxd5 14. Nxd5 Nxd5 15. Qxd5 Qxd5 16. Rxd5 Bb7 17. Ra5 Bxf3 18. Rg1 Rfd8 19. Nc3 e4 20. Bg2 Bxc3 21. bxc3 Bxg2 22. Rxg2 Rac8 23. Bd4 Nf4 24. Rf2 Nd3+ 25. cxd3 Rxd4 26. Rxa7 Rxc3+ 27. Kb2 Rcxd3 28. Rfxf7 Rd2+ 29. Kc3 R4d3+ 30. Kc4 Rc2+ 31. Kb4 Rxh2 32. Rfe7 Rb2+ 33. Kc4 Rc2+ 34. Kb4 Rb2+ 35. Kc4 Rc2+ 1/2-1/2

[Event "AUT-chT2O 1819"]
[Site "Austria"]
[Date "2018.11.04"]
[Round "4.6"]
[White "Dzierzenga, Stefan"]
[Black "Hechl, Fabian"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2212"]
[BlackElo "1986"]
[PlyCount "89"]
[EventDate "2018.10.06"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]
[WhiteTeam "Baden Invest"]
[BlackTeam "Donaustadt"]
[WhiteTeamCountry "AUT"]
[BlackTeamCountry "AUT"]

1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. g3 0-0 7. Bg2 Re8 8. 0-0 Bf8 9. b3 c5 10. Nde2 Bd7 11. Nf4 Bc6 12. Nfd5 Nbd7 13. Re1 g6 14. Bb2 Bg7 15. Qd3 Ne5 16. Qd2 Bxd5 17. Nxd5 Qd7 18. Bxe5 Rxe5 19. Nxf6+ Bxf6 20. Rad1 Rd8 21. f4 Re7 22. Kh1 Bg7 23. Re3 Qe6 24. Rd3 Red7 25. h4 c4 26. Rd5 Rc7 27. b4 Rc6 28. b5 Rb6 29. a4 Qd7 30. Qb4 a6 31. Qxc4 Rc8 32. Qe2 axb5 33. axb5 Qc7 34. Qf2 Ra8 35. e5 Ra2 36. exd6 Qd8 37. Qc5 Ra5 38. c4 Rc6 39. bxc6 Rxc5 40. Rxc5 bxc6 41. Rxc6 Qd7 42. Rc7 Qg4 43. Rd3 Qe2 44. Rc8+ Bf8 45. d7 1-0

[Event "AUT-chT2O 1819"]
[Site "Austria"]
[Date "2018.11.03"]
[Round "3.1"]
[White "Dzierzenga, Stefan"]
[Black "Kuthan, Andreas"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2212"]
[BlackElo "2186"]
[PlyCount "66"]
[EventDate "2018.10.06"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]
[WhiteTeam "Baden Invest"]
[BlackTeam "Pamhagen"]
[WhiteTeamCountry "AUT"]
[BlackTeamCountry "AUT"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. d4 Nc6 6. a3 f6 7. axb4 Bxb4+ 8. c3 Be7 9. Bd3 fxe5 10. dxe5 Qc7 11. 0-0 Nh6 12. Bxh6 gxh6 13. Re1 0-0 14. Na3 Bc5 15. Nb5 Qg7 16. Nbd4 Bd7 17. Nxc6 bxc6 18. Nd4 Rf4 19. g3 Raf8 20. Ra2 Bb6 21. Bf1 c5 22. Bg2 R4f7 23. Nb3 Rf5 24. f4 h5 25. Kh1 h4 26. Bh3 Bc6 27. Rg1 Kh8 28. Bxf5 d4+ 29. Rgg2 Rxf5 30. gxh4 Rxf4 31. cxd4 Rg4 32. Qe2 cxd4 33. h3 Rxg2 0-1

[Event "Mittelrhein Regionalliga 18/19"]
[Site "Nordrheinwestfalen"]
[Date "2018.10.28"]
[Round "3.5"]
[White "Dzierzenga, Stefan"]
[Black "Dietz, Jonas"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2146"]
[BlackElo "1890"]
[PlyCount "49"]
[EventDate "2018.10.28"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Bonn Beuel"]
[BlackTeam "Wuerselen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 cxb4 5. d4 Nc6 6. a3 Bd7 7. axb4 Bxb4+ 8. c3 Ba5 9. Bd3 h6 10. 0-0 Nge7 11. Nh4 Nf5 12. Nxf5 exf5 13. Qf3 Be6 14. Bxf5 Bxf5 15. Qxf5 Qd7 16. Qd3 0-0 17. f4 Bb6 18. Kh1 Ne7 19. f5 f6 20. e6 Qc6 21. g4 Bc7 22. h4 Qd6 23. Bf4 Qc6 24. Bc1 Qd6 25. Bf4 1/2-1/2

[Event "Mittelrhein Regionalliga 18/19"]
[Site "Nordrheinwestfalen"]
[Date "2018.09.02"]
[Round "1.7"]
[White "Dzierzenga, Stefan"]
[Black "Winkels, Marcel"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2146"]
[BlackElo "1926"]
[PlyCount "88"]
[EventDate "2018.10.28"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Bonn Beuel"]
[BlackTeam "Alsdorf SVG"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. h3 Be7 9. g4 d5 10. exd5 Nxd5 11. Nxd5 Qxd5 12. Rg1 Qxd1+ 13. Rxd1 Nc6 14. a3 Rd8 15. Rxd8+ Kxd8 16. Nc5 Bxc5 17. Bxc5 Kc7 18. Bd3 Bd5 19. Rg3 Re8 20. h4 g6 21. g5 Ne7 22. h5 e4 23. Be2 Nf5 24. Rc3 Re6 25. Bg4 Rc6 26. Bxf5 gxf5 27. Ke2 f4 28. Bd4 Kd6 29. Rxc6+ Bxc6 30. Bf6 Bb5+ 31. Kd2 Ke6 32. Bd8 Kf5 33. h6 Kg4 34. Be7 Kf3 35. Bc5 Kg2 36. Ke1 Ba4 37. b3 Bd7 38. Bd4 Bg4 39. Bb6 Kf3 40. Kd2 Bf5 41. Bd4 Kg4 42. Bf6 e3+ 43. fxe3 f3 44. Ke1 Kg3 0-1

[Event "Wiesbaden op 30th"]
[Site "Wiesbaden"]
[Date "2018.08.26"]
[Round "6"]
[White "Dzierzenga, Stefan"]
[Black "Artola Pola, Gerardo"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2196"]
[BlackElo "1927"]
[PlyCount "79"]
[EventDate "2018.08.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 a6 5. f3 b5 6. h4 Bb7 7. Qd2 Nbd7 8. Nge2 Nb6 9. Ng3 h6 10. Be2 e6 11. a3 Bg7 12. h5 g5 13. f4 gxf4 14. Bxf4 Qe7 15. 0-0-0 0-0-0 16. Be3 c5 17. Qe1 b4 18. Nb1 a5 19. Qf2 Nxe4 20. Nxe4 Bxe4 21. dxc5 Na4 22. Bd4 Qg5+ 23. Nd2 dxc5 24. Qxf7 Rd7 25. Qxe6 Bxd4 26. Bb5 Bxb2+ 27. Kb1 Nc3+ 28. Kxb2 Nxb5 29. Nxe4 Qg7+ 30. Nf6 bxa3+ 31. Ka1 Rhd8 32. Rxd7 Rxd7 33. Rd1 Nd4 34. Qxd7+ Qxd7 35. Nxd7 Nxc2+ 36. Kb1 Ne3 37. Rd3 Nxg2 38. Nf6 Kc7 39. Rg3 Nf4 40. Rg6 1-0

[Event "Wiesbaden op 30th"]
[Site "Wiesbaden"]
[Date "2018.08.26"]
[Round "7"]
[White "Held, Carsten"]
[Black "Dzierzenga, Stefan"]
[Result "0-1"]
[ECO "A14"]
[WhiteElo "2070"]
[BlackElo "2196"]
[PlyCount "58"]
[EventDate "2018.08.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Nbd7 5. 0-0 Be7 6. b3 0-0 7. Bb2 c6 8. d3 b5 9. Nbd2 a5 10. a3 Rb8 11. Qc2 Ba6 12. cxd5 cxd5 13. Nd4 Rc8 14. Qd1 Qb6 15. Rc1 h6 16. Bh3 Rfe8 17. N2f3 Nh7 18. Qd2 Ng5 19. Nxg5 Bxg5 20. e3 b4 21. Rxc8 Rxc8 22. axb4 axb4 23. f4 Bf6 24. f5 e5 25. Nc2 Rb8 26. Ra1 Nc5 27. Qxb4 Qxb4 28. Nxb4 Rxb4 29. d4 exd4 0-1

[Event "Wiesbaden op 30th"]
[Site "Wiesbaden"]
[Date "2018.08.25"]
[Round "5"]
[White "Dzierzenga, Stefan"]
[Black "Martin, Reiner"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "2196"]
[BlackElo "2006"]
[PlyCount "33"]
[EventDate "2018.08.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 b5 7. Bg2 Bb7 8. 0-0 d6 9. f4 Nf6 10. a3 Nbd7 11. Nb3 Rd8 12. Qe2 Nb6 13. Na5 Ba8 14. Be3 Be7 15. a4 b4 16. Qxa6 Nbd7 17. Nb5 1-0

[Event "Wiesbaden op 30th"]
[Site "Wiesbaden"]
[Date "2018.08.24"]
[Round "2"]
[White "Dzierzenga, Stefan"]
[Black "Mueller, Lutz"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2196"]
[BlackElo "1989"]
[PlyCount "39"]
[EventDate "2018.08.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Bg5 h6 5. Be3 Nc6 6. h3 e5 7. Nge2 f5 8. dxe5 dxe5 9. Qxd8+ Nxd8 10. f4 Nf6 11. exf5 exf4 12. Bxf4 Bxf5 13. Nd4 0-0 14. Nxf5 gxf5 15. 0-0-0 Nh5 16. Bxc7 f4 17. Bc4+ Kh8 18. Bb3 Nc6 19. Rd7 Bd4 20. Rxd4 1-0

[Event "Wiesbaden op 30th"]
[Site "Wiesbaden"]
[Date "2018.08.24"]
[Round "3"]
[White "Lagaras, Stylianos"]
[Black "Dzierzenga, Stefan"]
[Result "1/2-1/2"]
[ECO "A58"]
[WhiteElo "1934"]
[BlackElo "2196"]
[PlyCount "73"]
[EventDate "2018.08.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bg7 7. e4 0-0 8. Nf3 Qa5 9. Bd2 Bxa6 10. Be2 Bxe2 11. Qxe2 Qa6 12. Qxa6 Nxa6 13. 0-0 Rfb8 14. Rab1 d6 15. b3 Nc7 16. Rfe1 Rb7 17. h3 Nd7 18. Na4 Nb6 19. Nxb6 Rxb6 20. a4 Rb7 21. Rec1 f5 22. exf5 Nxd5 23. fxg6 hxg6 24. Rc4 Bf6 25. Rg4 Kf7 26. Ng5+ Kg7 27. Ne6+ Kf7 28. Nf4 Nxf4 29. Rxf4 d5 30. a5 c4 31. Bc3 cxb3 32. Bxf6 exf6 33. Ra4 Rb5 34. a6 Rb6 35. Kf1 Raxa6 36. Rxa6 Rxa6 37. Rxb3 1/2-1/2

[Event "Wiesbaden op 30th"]
[Site "Wiesbaden"]
[Date "2018.08.23"]
[Round "1"]
[White "Launert, Martin"]
[Black "Dzierzenga, Stefan"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1859"]
[BlackElo "2196"]
[PlyCount "74"]
[EventDate "2018.08.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "CBM 186 Extra"]
[Source "ChessBase"]
[SourceDate "2018.08.24"]
[SourceVersion "1"]
[SourceVersionDate "2018.08.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. Nf3 Ne7 6. Bg5 f6 7. Bh4 0-0 8. Bg3 Ng6 9. Bxd6 Qxd6 10. Bxg6 hxg6 11. 0-0 g5 12. Qd3 Nc6 13. Nbd2 Ne7 14. c4 c6 15. Nb3 Bf5 16. Qc3 Ng6 17. cxd5 Qxd5 18. Qc5 Rfd8 19. Qxd5+ Rxd5 20. g3 Bc2 21. Nfd2 Ne7 22. Rfc1 Bg6 23. Nc4 Nf5 24. Ne3 Rd6 25. Rd1 a5 26. Nc4 Rdd8 27. Ncxa5 Nxd4 28. Rxd4 Rxd4 29. Nxd4 Rxa5 30. a3 Rd5 31. Nf3 Rd3 32. Ne1 Rb3 33. Ng2 Rxb2 34. Ne3 b5 35. f4 gxf4 36. gxf4 Be4 37. Rc1 Rb3 0-1

[Event "Mittelrhein Regionalliga 1718"]
[Site "Nordrheinwestfalen"]
[Date "2018.05.06"]
[Round "9.4"]
[White "Dzierzenga, Stefan"]
[Black "Huelsmann, Josef"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2102"]
[BlackElo "2091"]
[PlyCount "9"]
[EventDate "2017.09.10"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Bonn Beuel"]
[BlackTeam "Langenfeld"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 1/2-1/2

[Event "Mittelrhein Regionalliga 1718"]
[Site "Nordrheinwestfalen"]
[Date "2018.04.15"]
[Round "8.8"]
[White "Diesner, Michael"]
[Black "Dzierzenga, Stefan"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2037"]
[BlackElo "2096"]
[PlyCount "66"]
[EventDate "2017.09.10"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Koeln Lasker"]
[BlackTeam "Bonn Beuel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. Nf3 Nf6 2. g3 e6 3. Bg2 d5 4. d3 Be7 5. Nbd2 c5 6. e4 Nc6 7. 0-0 0-0 8. e5 Nd7 9. Re1 Qc7 10. Qe2 b5 11. Nf1 a5 12. h4 Nd4 13. Nxd4 cxd4 14. Bf4 Ra6 15. Nh2 Rc6 16. Rac1 Ba6 17. Ng4 Kh8 18. Bxd5 exd5 19. e6 Bd6 20. exd7 Qxd7 21. Bxd6 Qxd6 22. Qe7 Qxe7 23. Rxe7 f6 24. Kf1 Rfc8 25. Ke1 h5 26. Nh2 Rxc2 27. Rxc2 Rxc2 28. Nf3 b4 29. Re2 Bxd3 30. Rxc2 Bxc2 31. Nxd4 Bb1 32. a3 bxa3 33. bxa3 g5 1/2-1/2

[Event "AUT-chT2O 1718"]
[Site "Austria"]
[Date "2018.04.08"]
[Round "11.1"]
[White "Plank, Franz"]
[Black "Dzierzenga, Stefan"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2189"]
[BlackElo "2200"]
[PlyCount "38"]
[EventDate "2017.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Ottakring II"]
[BlackTeam "Baden Invest"]
[WhiteTeamCountry "AUT"]
[BlackTeamCountry "AUT"]

1. e4 e6 2. d4 d5 3. Qd3 dxe4 4. Qxe4 Nf6 5. Qd3 c5 6. Nf3 Nc6 7. dxc5 Qxd3 8. Bxd3 Bxc5 9. a3 0-0 10. Nc3 h6 11. 0-0 a6 12. Re1 b5 13. Ne4 Nxe4 14. Bxe4 Bb7 15. Ne5 Nxe5 16. Bxb7 Ra7 17. Rxe5 Bd6 18. Re2 Rxb7 19. Be3 Rc8 1/2-1/2

[Event "AUT-chT2O 1718"]
[Site "Austria"]
[Date "2018.04.07"]
[Round "10.1"]
[White "Dzierzenga, Stefan"]
[Black "Plachetka, Jan"]
[Result "1-0"]
[ECO "B82"]
[WhiteElo "2200"]
[BlackElo "2337"]
[PlyCount "55"]
[EventDate "2017.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Baden Invest"]
[BlackTeam "Bad Voeslau"]
[WhiteTeamCountry "AUT"]
[BlackTeamCountry "AUT"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be3 Nf6 7. Bd3 d6 8. 0-0 Be7 9. a4 0-0 10. f4 Qc7 11. Qf3 Bd7 12. Nxc6 bxc6 13. g4 d5 14. g5 dxe4 15. Nxe4 Nxe4 16. Bxe4 Rab8 17. Bd4 f5 18. Bd3 Bd6 19. Bc4 Kh8 20. Rae1 c5 21. Bc3 Bc6 22. Qh5 Bxf4 23. Rxe6 Rbd8 24. Qh4 Bd2 25. g6 h6 26. Re7 Qxe7 27. Qxe7 Bxc3 28. bxc3 1-0

[Event "Mittelrhein Regionalliga 1718"]
[Site "Nordrheinwestfalen"]
[Date "2018.02.25"]
[Round "7.7"]
[White "Voleske, Peter"]
[Black "Dzierzenga, Stefan"]
[Result "1/2-1/2"]
[ECO "A31"]
[WhiteElo "1890"]
[BlackElo "2096"]
[PlyCount "80"]
[EventDate "2017.09.10"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Aachen SV II"]
[BlackTeam "Bonn Beuel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 Nf6 2. d4 c5 3. Nf3 cxd4 4. Nxd4 e5 5. Nb5 d5 6. cxd5 Bc5 7. e3 0-0 8. N5c3 e4 9. Be2 Qe7 10. 0-0 Rd8 11. a3 Bd6 12. Nd2 Qe5 13. f4 exf3 14. Nxf3 Qh5 15. g3 Bh3 16. Nh4 Qe5 17. Re1 Bc5 18. Bf3 g5 19. Ng2 g4 20. Be2 Bxg2 21. Kxg2 Nxd5 22. Bxg4 Nc6 23. Nxd5 Rxd5 24. Qf3 f5 25. Bh3 Rad8 26. Rf1 Ne7 27. Ra2 a5 28. b4 axb4 29. axb4 Bxb4 30. Raf2 Bd2 31. Bxd2 Rxd2 32. Qxb7 Qxe3 33. Qf3 Qe5 34. Kg1 Rxf2 35. Qxf2 Rd5 36. Qf4 Qxf4 37. Rxf4 Kg7 38. Bg2 Rd2 39. Rf2 Rd1+ 40. Rf1 Rd2 1/2-1/2

[Event "Mittelrhein Regionalliga 1718"]
[Site "Nordrheinwestfalen"]
[Date "2018.02.04"]
[Round "6.7"]
[White "Dzierzenga, Stefan"]
[Black "Koegler, Christof"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2096"]
[BlackElo "1984"]
[PlyCount "133"]
[EventDate "2017.09.10"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Bonn Beuel"]
[BlackTeam "Godesberg II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Nb3 e6 7. g4 b5 8. Bg2 Bb7 9. g5 Nfd7 10. Qe2 Be7 11. h4 Ne5 12. Be3 Nc4 13. 0-0-0 Nd7 14. Kb1 Nxe3 15. Qxe3 Ne5 16. f4 Nc4 17. Qh3 Qb6 18. Rd3 b4 19. Nd1 a5 20. f5 a4 21. Nd2 Ne5 22. fxe6 fxe6 23. Re3 Bc8 24. Bf1 0-0 25. Be2 Qc5 26. Nf3 Nc4 27. Bxc4 Qxc4 28. Nd2 Qd4 29. Nf3 Qc5 30. Rd3 b3 31. Rc3 bxa2+ 32. Ka1 Qa7 33. e5 Bd7 34. Qg4 d5 35. Nd4 a3 36. Nc6 axb2+ 37. Nxb2 Bxc6 38. Qxe6+ Kh8 39. Qxc6 d4 40. Rc4 Ba3 41. Na4 d3 42. Kxa2 Be7 43. cxd3 Rf2+ 44. Ka1 Ba3 45. Rb1 Bc5 46. Rb7 Bd4+ 47. Kb1 Qa5 48. Rxd4 Qd2 49. Rb2 Qd1+ 50. Ka2 Rxb2+ 51. Kxb2 Rb8+ 52. Nb6 Qd2+ 53. Kb3 Qd1+ 54. Kb4 Qd2+ 55. Kc5 Qa5+ 56. Qb5 Qc3+ 57. Qc4 Qa5+ 58. Qb5 Qc3+ 59. Kd5 Qc7 60. Rb4 Qf7+ 61. Kd4 Qf4+ 62. Kd5 Qf7+ 63. Ke4 Qf2 64. d4 Qxh4+ 65. Kd3 Qh3+ 66. Kc4 Qf1+ 67. Kc3 1/2-1/2

[Event "AUT-chT2O 1718"]
[Site "Austria"]
[Date "2018.01.14"]
[Round "7.1"]
[White "Dzierzenga, Stefan"]
[Black "Chirita Mihaila, Marius Constantin"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2200"]
[BlackElo "2124"]
[PlyCount "81"]
[EventDate "2017.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Baden Invest"]
[BlackTeam "Tschaturanga"]
[WhiteTeamCountry "AUT"]
[BlackTeamCountry "AUT"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. f3 b5 6. Qd2 Bb7 7. 0-0-0 Nd7 8. Kb1 Rc8 9. g4 c5 10. dxc5 Nxc5 11. Bd4 Nf6 12. g5 Nh5 13. Bh3 Ne6 14. Bxg7 Nhxg7 15. Nge2 Rc5 16. Rhg1 0-0 17. Nd4 Nxd4 18. Qxd4 Ne6 19. Bxe6 fxe6 20. h4 Qc8 21. Qd3 Kf7 22. Ne2 Ke8 23. Nd4 e5 24. Nb3 Rc7 25. Rh1 Qe6 26. Na5 Qf7 27. Rhf1 Bc8 28. a3 Qf4 29. Qd2 Qxh4 30. Qe3 Qf4 31. Qb6 Kd7 32. Rd3 Qxg5 33. Rfd1 Qf6 34. Nb3 h5 35. Nc5+ Rxc5 36. Qxc5 Rd8 37. a4 bxa4 38. Qa5 Ke8 39. Qxa4+ Kf7 40. Qa5 Rd7 41. Qa4 1/2-1/2

[Event "AUT-chT2O 1718"]
[Site "Austria"]
[Date "2018.01.13"]
[Round "6.1"]
[White "Gutsch, Franz"]
[Black "Dzierzenga, Stefan"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2052"]
[BlackElo "2200"]
[PlyCount "48"]
[EventDate "2017.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Nickelsdorf Blackburne"]
[BlackTeam "Baden Invest"]
[WhiteTeamCountry "AUT"]
[BlackTeamCountry "AUT"]

1. d4 Nf6 2. Nf3 c5 3. c3 e6 4. g3 d5 5. Bg2 Nc6 6. 0-0 Bd6 7. dxc5 Bxc5 8. Nbd2 0-0 9. Qc2 Bd7 10. Nb3 Be7 11. Nbd4 Rc8 12. Nxc6 Bxc6 13. Be3 Qc7 14. Bf4 Bd6 15. Bxd6 Qxd6 16. Rad1 Qc7 17. Nd4 Qa5 18. Nxc6 Rxc6 19. a3 Qb6 20. e3 Rfc8 21. Qe2 Qb3 22. Rd2 h6 23. Rfd1 Rc4 24. Rd4 a6 1/2-1/2

[Event "Mittelrhein Regionalliga 1718"]
[Site "Nordrheinwestfalen"]
[Date "2017.12.03"]
[Round "4.6"]
[White "Dzierzenga, Stefan"]
[Black "Statz, Samuel"]
[Result "1/2-1/2"]
[ECO "C60"]
[WhiteElo "2099"]
[BlackElo "1952"]
[PlyCount "30"]
[EventDate "2017.09.10"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Bonn Beuel"]
[BlackTeam "Wuerselen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bb4 4. 0-0 Nge7 5. c3 Ba5 6. Na3 d6 7. h3 0-0 8. d4 exd4 9. cxd4 d5 10. exd5 Qxd5 11. Bc4 Qh5 12. Bf4 Nd5 13. Bg3 a6 14. Ne5 Qxd1 15. Rfxd1 Nce7 1/2-1/2

[Event "Mittelrhein Regionalliga 1718"]
[Site "Nordrheinwestfalen"]
[Date "2017.11.12"]
[Round "3.6"]
[White "Boehm, Stefan"]
[Black "Dzierzenga, Stefan"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1972"]
[BlackElo "2099"]
[PlyCount "68"]
[EventDate "2017.09.10"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Leverkusen SC Bayer"]
[BlackTeam "Bonn Beuel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3 axb5 6. e4 b4 7. Nb5 d6 8. Bc4 Nbd7 9. Nf3 Nxe4 10. Qe2 f5 11. Ng5 Ne5 12. Nxe4 fxe4 13. b3 g6 14. Bb2 Bg7 15. 0-0 0-0 16. a4 bxa3 17. Nxa3 Bf5 18. Nb5 Qd7 19. Rfe1 Rfb8 20. h3 h5 21. Nc3 Nd3 22. Rxa8 Rxa8 23. Bb5 Qd8 24. Bxd3 exd3 25. Qd1 Qa5 26. Na4 Bxb2 27. Nxb2 Qc3 28. Na4 Qc2 29. g4 hxg4 30. hxg4 d2 31. gxf5 dxe1Q+ 32. Qxe1 Qxf5 33. Nb6 Ra2 34. Nc4 Qxd5 0-1

[Event "AUT-chT2O 1718"]
[Site "Austria"]
[Date "2017.10.22"]
[Round "2.4"]
[White "Vyskocil, Neklan"]
[Black "Dzierzenga, Stefan"]
[Result "1/2-1/2"]
[ECO "A58"]
[WhiteElo "2325"]
[BlackElo "2200"]
[PlyCount "39"]
[EventDate "2017.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]
[WhiteTeam "Hietzing"]
[BlackTeam "Baden Invest"]
[WhiteTeamCountry "AUT"]
[BlackTeamCountry "AUT"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bg7 7. Nf3 0-0 8. e4 Qa5 9. Bd2 Bxa6 10. Bxa6 Qxa6 11. Qe2 e6 12. Be3 exd5 13. exd5 d6 14. h3 Nbd7 15. Qxa6 Rxa6 16. 0-0 Nb6 17. Rad1 Na4 18. Nxa4 Rxa4 19. a3 Rb8 20. b4 1/2-1/2

[Event "AUT-chT2O 1718"]
[Site "Austria"]
[Date "2017.10.21"]
[Round "1.1"]
[White "Dzierzenga, Stefan"]
[Black "Sardy, Peter"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "2200"]
[BlackElo "2321"]
[PlyCount "48"]
[EventDate "2017.10.21"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "CBM 181 Extra"]
[Source "ChessBase"]
[SourceDate "2017.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2017.12.12"]
[SourceQuality "1"]
[WhiteTeam "Baden Invest"]
[BlackTeam "Austria"]
[WhiteTeamCountry "AUT"]
[BlackTeamCountry "AUT"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 d6 5. Nc3 a6 6. Be3 b5 7. Bd3 Nf6 8. f3 Nbd7 9. a4 b4 10. Nc6 Qc7 11. Nxb4 d5 12. Nba2 Bd6 13. Qd2 0-0 14. Rd1 Bb7 15. g3 Rfd8 16. 0-0 Nc5 17. Bg5 dxe4 18. Bxf6 gxf6 19. fxe4 Be5 20. Qh6 Bd4+ 21. Rf2 Bxf2+ 22. Kxf2 Qe5 23. b4 Nxe4+ 24. Kf1 Qf5+ 0-1

[Event "Mittelrhein Regionalliga 1718"]
[Site "Nordrheinwestfalen"]
[Date "2017.10.01"]
[Round "2.7"]
[White "Schloemer, Armin"]
[Black "Dzierzenga, Stefan"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "1939"]
[BlackElo "2099"]
[PlyCount "64"]
[EventDate "2017.09.10"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Aachen DJK Aufwärts III"]
[BlackTeam "Bonn Beuel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e4 d6 6. Nge2 e5 7. d3 Nge7 8. 0-0 0-0 9. h3 a6 10. a3 Rb8 11. Rb1 b5 12. cxb5 axb5 13. b4 cxb4 14. axb4 Be6 15. Be3 Qd7 16. Kh2 d5 17. Bc5 Rfd8 18. d4 dxe4 19. dxe5 Nxe5 20. Nxe4 Bc4 21. Nd6 Bd3 22. Ra1 Nc8 23. Ra6 Qc7 24. f4 Nxd6 25. fxe5 Nf5 26. Rxf5 Bxf5 27. Bd6 Qc8 28. Rc6 Qd7 29. Nd4 Rbc8 30. Qf1 Bf8 31. Qxb5 Bxd6 32. exd6 Rxc6 1/2-1/2

[Event "Niederoesterreich Landesliga 1617"]
[Site "Austria"]
[Date "2017.04.23"]
[Round "11.3"]
[White "Woeber, Friedrich"]
[Black "Dzierzenga, Stefan"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2116"]
[BlackElo "2221"]
[PlyCount "37"]
[EventDate "2016.10.02"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Krems Voest"]
[BlackTeam "Baden Invest II"]
[WhiteTeamCountry "AUT"]
[BlackTeamCountry "AUT"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d6 5. Be2 Nd7 6. 0-0 Ngf6 7. e5 Nd5 8. Nxd5 cxd5 9. exd6 exd6 10. Bf4 Qb6 11. c3 0-0 12. Qb3 Re8 13. Qxb6 Nxb6 14. Bb5 Rd8 15. Rfe1 Bd7 16. Bd3 Bf8 17. Bg5 Re8 18. Rxe8 Rxe8 19. Re1 1/2-1/2

[Event "Mittelrhein Regionalliga 16/17"]
[Site "Nordrheinwestfalen"]
[Date "2017.04.09"]
[Round "10.7"]
[White "Klein, Manfred"]
[Black "Dzierzenga, Stefan"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2042"]
[BlackElo "2096"]
[PlyCount "84"]
[EventDate "2016.09.11"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Siegburg"]
[BlackTeam "Bonn Beuel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d6 5. a4 Bg4 6. Be2 Nd7 7. 0-0 Qa5 8. Be3 Ngf6 9. Qd2 0-0 10. Rad1 Rad8 11. Bh6 Bxh6 12. Qxh6 Bxf3 13. Bxf3 Qb4 14. Qd2 Kg7 15. b3 c5 16. Nb1 Qxd2 17. Rxd2 cxd4 18. Rxd4 Rc8 19. Rd2 Rc7 20. Re1 Rfc8 21. Bd1 Nc5 22. f3 Na6 23. Na3 Ra8 24. Nb5 Rd7 25. Re3 Nc5 26. c4 Na6 27. Kf2 Nb4 28. Nc3 Rc7 29. Nd5 Nfxd5 30. exd5 a6 31. Be2 Rb8 32. f4 h5 33. g3 a5 34. Bd3 Na6 35. Rde2 Kf6 36. h3 Rh8 37. Kg2 Nc5 38. Bc2 b6 39. Re1 Ra7 40. R1e2 Rc7 41. Kf3 Ra7 42. Kg2 Rc7 1/2-1/2

[Event "AUT-chT2O 1617"]
[Site "Austria"]
[Date "2017.04.02"]
[Round "11.4"]
[White "Dzierzenga, Stefan"]
[Black "Stadler, Peter"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2221"]
[BlackElo "2082"]
[PlyCount "67"]
[EventDate "2016.10.15"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]
[WhiteTeam "Baden Invest"]
[BlackTeam "Hietzing"]
[WhiteTeamCountry "AUT"]
[BlackTeamCountry "AUT"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 Nf6 5. Bg2 d5 6. Nbd2 Be7 7. 0-0 Rb8 8. Re1 b5 9. e5 Nd7 10. Nf1 b4 11. h4 a5 12. Bf4 Nb6 13. N1h2 Bd7 14. Ng5 Nd4 15. c3 bxc3 16. bxc3 Ba4 17. Qg4 Nc2 18. Nxe6 fxe6 19. Qxg7 Kd7 20. Ng4 Nxe1 21. Rxe1 Qf8 22. Nf6+ Kc8 23. Qg4 Qf7 24. c4 dxc4 25. dxc4 Bd7 26. Nxd7 Nxd7 27. Qf3 Rb6 28. Qa8+ Nb8 29. Qxa5 Rb4 30. a3 Rb2 31. Qc3 Rb6 32. Qa5 Rb2 33. Qc3 Rb6 34. Qa5 1/2-1/2

[Event "AUT-chT2O 1617"]
[Site "Austria"]
[Date "2017.04.01"]
[Round "10.3"]
[White "Dzierzenga, Stefan"]
[Black "Rongitsch, Thomas"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2221"]
[BlackElo "2092"]
[PlyCount "64"]
[EventDate "2016.10.15"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]
[WhiteTeam "Baden Invest"]
[BlackTeam "Nickelsdorf Blackburne II"]
[WhiteTeamCountry "AUT"]
[BlackTeamCountry "AUT"]

1. e4 c6 2. Ne2 d5 3. e5 c5 4. b4 cxb4 5. d4 Nc6 6. a3 e6 7. axb4 Bxb4+ 8. c3 Be7 9. Ng3 g6 10. Bd3 h5 11. Qc2 h4 12. Ne2 g5 13. h3 Bd7 14. f4 Nh6 15. Na3 a6 16. Qd2 Rg8 17. fxg5 Bxg5 18. Qd1 Bxc1 19. Qxc1 Qg5 20. Qxg5 Rxg5 21. 0-0 0-0-0 22. Rf6 Rh8 23. Nc2 Be8 24. Rf4 Ng8 25. Ne1 Nce7 26. Nf3 Rgh5 27. Nh2 Rg5 28. Ng4 Nh6 29. Ne3 Nhg8 30. Ng4 Nh6 31. Ne3 Nhg8 32. Ng4 Nh6 1/2-1/2

[Event "Mittelrhein Regionalliga 16/17"]
[Site "Nordrheinwestfalen"]
[Date "2017.03.19"]
[Round "9.7"]
[White "Dzierzenga, Stefan"]
[Black "Biedekoepper, Robert"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "2092"]
[BlackElo "1984"]
[PlyCount "69"]
[EventDate "2016.09.11"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Bonn Beuel"]
[BlackTeam "Godesberg II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Qc7 6. Be3 a6 7. Qd2 Nf6 8. f3 Be7 9. g4 d6 10. 0-0-0 Ne5 11. g5 Nfd7 12. f4 Nc4 13. Bxc4 Qxc4 14. f5 Ne5 15. Rhf1 Ng4 16. h3 Nxe3 17. Qxe3 Bd7 18. h4 0-0-0 19. fxe6 fxe6 20. Rf7 Bf8 21. Nb3 Kb8 22. Rdf1 Qb4 23. a3 Qc4 24. Qb6 Qc7 25. Qd4 Rg8 26. Kb1 Qc6 27. R1f3 Ka8 28. Qf2 Qc8 29. Qb6 Bc6 30. Na5 Rd7 31. Nxc6 bxc6 32. Rxd7 Qxd7 33. Qxa6+ Kb8 34. Na4 Kc7 35. Qa5+ 1-0

[Event "Mittelrhein Regionalliga 16/17"]
[Site "Nordrheinwestfalen"]
[Date "2017.02.19"]
[Round "8.7"]
[White "Mueller, Peter"]
[Black "Dzierzenga, Stefan"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "1830"]
[BlackElo "2092"]
[PlyCount "80"]
[EventDate "2016.09.11"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Godesberg III"]
[BlackTeam "Bonn Beuel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. f4 d5 5. e5 Qb6 6. Nf3 Nh6 7. Be2 Bg4 8. h3 Bxf3 9. Bxf3 0-0 10. g4 f6 11. Rf1 fxe5 12. fxe5 e6 13. Qd3 c5 14. Be3 cxd4 15. Bxd4 Qd8 16. 0-0-0 Nc6 17. Bc5 Nxe5 18. Qe2 Rxf3 19. Rxf3 Nxf3 20. Qxf3 b6 21. Bd4 Bxd4 22. Rxd4 Qg5+ 23. Kb1 Rf8 24. Qe2 Qf6 25. Rd1 d4 26. Nb5 e5 27. Nxa7 Qf3 28. Qe1 Nf7 29. Rd3 Qd5 30. a4 e4 31. Rd1 Ne5 32. Nb5 Nf3 33. Qe2 e3 34. b3 Ne5 35. Rf1 Rxf1+ 36. Qxf1 Qf3 37. Qxf3 Nxf3 38. Nxd4 Nxd4 39. Kc1 e2 40. Kd2 Nxc2 0-1

[Event "Mittelrhein Regionalliga 16/17"]
[Site "Nordrheinwestfalen"]
[Date "2017.01.29"]
[Round "7.8"]
[White "Steiz, Johann"]
[Black "Dzierzenga, Stefan"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "1692"]
[BlackElo "2092"]
[PlyCount "108"]
[EventDate "2016.09.11"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Dormagen SV"]
[BlackTeam "Bonn Beuel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Be2 d5 5. Be3 dxe4 6. Nxe4 Nd7 7. Nf3 Ngf6 8. Nxf6+ Nxf6 9. c3 Nd5 10. Bg5 f6 11. Bh4 Nf4 12. 0-0 Qb6 13. Qd2 Nxe2+ 14. Qxe2 0-0 15. h3 Qb5 16. Qxb5 cxb5 17. a4 Bd7 18. Rfe1 Kf7 19. axb5 Bxb5 20. Bg3 Bc6 21. Nd2 Rfd8 22. Ne4 b6 23. Bc7 Rd7 24. Bg3 Bh6 25. f3 a5 26. Red1 Bd5 27. Ra3 Bf8 28. Raa1 Rad8 29. Nd2 Bh6 30. Bf2 Rb8 31. Ra3 e6 32. c4 Bxd2 33. cxd5 Bb4 34. dxe6+ Kxe6 35. d5+ Rxd5 36. Rxd5 Kxd5 37. Rd3+ Kc6 38. Re3 Rd8 39. Re6+ Rd6 40. Re8 f5 41. Rc8+ Kb5 42. Rc2 Rd1+ 43. Kh2 Rd2 44. Rxd2 Bxd2 45. Bd4 Kc4 46. Bxb6 a4 47. Bc7 Kb3 48. Be5 Bc1 49. g4 Bxb2 50. Bd6 f4 51. g5 a3 52. Bxa3 Bxa3 53. h4 Kc4 54. Kg2 Kd3 0-1

[Event "AUT-chT2O 1617"]
[Site "Austria"]
[Date "2017.01.15"]
[Round "7.1"]
[White "Dzierzenga, Stefan"]
[Black "Ganaus, Hannes"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2221"]
[BlackElo "2277"]
[PlyCount "71"]
[EventDate "2016.10.15"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]
[WhiteTeam "Baden Invest"]
[BlackTeam "Poechlarn"]
[WhiteTeamCountry "AUT"]
[BlackTeamCountry "AUT"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 c5 5. Bb5+ Nc6 6. dxc5 Bd7 7. Bxc6 bxc6 8. Qd4 e6 9. Nd2 Ne7 10. Nb3 Nf5 11. Qa4 h5 12. Nf3 Be7 13. Bd2 Qc7 14. Ba5 Qb7 15. Bc3 Rh6 16. Qb4 Qc7 17. Nbd4 Rb8 18. Qa3 Nxd4 19. Bxd4 Rg6 20. 0-0-0 Rb5 21. g3 Ra5 22. Qb3 Bxc5 23. Bxc5 Rxc5 24. Rd4 Rb5 25. Rb4 Rxb4 26. Qxb4 c5 27. Qd2 Rg4 28. Re1 Bc6 29. Nh2 Ra4 30. a3 Qa5 31. Qxa5 Rxa5 32. Nf3 Rb5 33. Nd2 a5 34. Nb3 a4 35. Nd2 Ke7 36. Nb1 1/2-1/2

[Event "AUT-chT2O 1617"]
[Site "Austria"]
[Date "2017.01.14"]
[Round "6.6"]
[White "Steiner, Johann"]
[Black "Dzierzenga, Stefan"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2028"]
[BlackElo "2221"]
[PlyCount "36"]
[EventDate "2016.10.15"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "AUT"]
[SourceTitle "CBM 177 Extra"]
[Source "ChessBase"]
[SourceDate "2017.04.27"]
[SourceVersion "1"]
[SourceVersionDate "2017.04.27"]
[SourceQuality "1"]
[WhiteTeam "Austria"]
[BlackTeam "Baden Invest"]
[WhiteTeamCountry "AUT"]
[BlackTeamCountry "AUT"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nc6 5. c3 Bd6 6. Ne2 Nf6 7. Bg5 h6 8. Bh4 0-0 9. 0-0 Bxh2+ 10. Kxh2 Ng4+ 11. Kg3 g5 12. Rh1 gxh4+ 13. Rxh4 Ne3 14. Qh1 Qg5+ 15. Kf3 Bg4+ 16. Rxg4 Nxg4 17. Nf4 Nxf2 18. Qf1 Qg4+ 0-1

[Event "Mittelrhein Regionalliga 16/17"]
[Site "Nordrheinwestfalen"]
[Date "2017.01.08"]
[Round "6.7"]
[White "Makowski, Marcel"]
[Black "Dzierzenga, Stefan"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "1732"]
[BlackElo "2092"]
[PlyCount "44"]
[EventDate "2016.09.11"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Aachen DJK Aufwärts III"]
[BlackTeam "Bonn Beuel"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. 0-0 c6 8. b3 b6 9. Bc3 Ne4 10. Bb2 Nd7 11. Nbd2 Nxd2 12. Nxd2 Nf6 13. Rc1 Bb7 14. a3 Qd7 15. b4 a5 16. Qb3 axb4 17. axb4 Rfc8 18. cxd5 cxd5 19. Rxc8+ Bxc8 20. Bc3 Qb5 21. e3 Bd7 22. Rb1 h6 1/2-1/2

[Event "Mittelrhein Regionalliga 16/17"]
[Site "Nordrheinwestfalen"]
[Date "2016.11.27"]
[Round "4.7"]
[White "Dzierzenga, Stefan"]
[Black "Rache, Ralf"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2113"]
[BlackElo "1839"]
[PlyCount "55"]
[EventDate "2016.09.11"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Bonn Beuel"]
[BlackTeam "Aachen SV II"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Bxf6 gxf6 9. Na3 f5 10. Bd3 b5 11. Nd5 Be6 12. c4 bxc4 13. Nxc4 Bxd5 14. exd5 Nd4 15. Qa4+ Ke7 16. 0-0 Bg7 17. Ne3 e4 18. Nxf5+ Nxf5 19. Qxe4+ Kf8 20. Qxf5 h5 21. Rac1 Rh6 22. Rc2 Rf6 23. Qh3 Bh6 24. Qxh5 Qb6 25. Qh4 Kg7 26. Qg4+ Kf8 27. Bh7 Bg7 28. Rc8+ 1-0

