[Event "Fredericia"]
[Site "Fredericia"]
[Date "2025.06.01"]
[Round "8"]
[White "Mattenberger, Matthias"]
[Black "Hansen, Lars"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "2286"]
[BlackElo "2218"]
[PlyCount "61"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "3"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Qc2 Nxc3 8. bxc3 c5 9. e4 Qc7 10. Bb5+ Bc6 11. Bd3 Nd7 12. 0-0 Bb7 13. Qe2 Be7 14. Bd2 0-0 15. a4 Rac8 16. e5 Rfd8 17. Ng5 h6 18. Ne4 Qc6 19. Be3 f5 20. exf6 Nxf6 21. Nxf6+ Bxf6 22. Qg4 cxd4 23. cxd4 Qd5 24. Rac1 Kf8 25. Bb5 Qe4 26. Qg3 Bd5 27. Rce1 Qh4 28. Qxh4 Bxh4 29. Ra1 Bf6 30. a5 Bc4 31. Rfb1 1/2-1/2

[Event "Fredericia"]
[Site "Fredericia"]
[Date "2025.06.01"]
[Round "8"]
[White "Mattenberger, Matthias"]
[Black "Hansen, Lars"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "2286"]
[BlackElo "2218"]
[PlyCount "61"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "3"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Qc2 Nxc3 8. bxc3 c5 9. e4 Qc7 10. Bb5+ Bc6 11. Bd3 Nd7 12. 0-0 Bb7 13. Qe2 Be7 14. Bd2 0-0 15. a4 Rac8 16. e5 Rfd8 17. Ng5 h6 18. Ne4 Qc6 19. Be3 f5 20. exf6 Nxf6 21. Nxf6+ Bxf6 22. Qg4 cxd4 23. cxd4 Qd5 24. Rac1 Kf8 25. Bb5 Qe4 26. Qg3 Bd5 27. Rce1 Qh4 28. Qxh4 Bxh4 29. Ra1 Bf6 30. a5 Bc4 31. Rfb1 1/2-1/2

[Event "Fredericia"]
[Site "Fredericia"]
[Date "2025.06.01"]
[Round "9"]
[White "Skytte, Rasmus"]
[Black "Mattenberger, Matthias"]
[Result "1/2-1/2"]
[ECO "D76"]
[WhiteElo "2360"]
[BlackElo "2286"]
[PlyCount "69"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "3"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. 0-0 Nc6 8. e3 0-0 9. Nc3 Re8 10. h3 a5 11. d5 Nb4 12. e4 e6 13. a3 Na6 14. Bg5 Qd7 15. Rc1 Nc5 16. b4 axb4 17. axb4 Nca4 18. dxe6 fxe6 19. Nxa4 Rxa4 20. Qb3 Qd6 21. Rfd1 Qxb4 22. Qxb4 Rxb4 23. Rxc7 Rc4 24. Re7 Rf8 25. Rd6 Na4 26. e5 Rc2 27. Bf4 Nc3 28. Nd4 Ne2+ 29. Nxe2 Rxe2 30. Bxb7 g5 31. Be3 Bxe5 32. Bxc8 Bxd6 33. Bxe6+ Kh8 34. Bd4+ Be5 35. Bg4 1/2-1/2

[Event "Fredericia"]
[Site "Fredericia"]
[Date "2025.06.01"]
[Round "9"]
[White "Skytte, Rasmus"]
[Black "Mattenberger, Matthias"]
[Result "1/2-1/2"]
[ECO "D76"]
[WhiteElo "2360"]
[BlackElo "2286"]
[PlyCount "69"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "3"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. 0-0 Nc6 8. e3 0-0 9. Nc3 Re8 10. h3 a5 11. d5 Nb4 12. e4 e6 13. a3 Na6 14. Bg5 Qd7 15. Rc1 Nc5 16. b4 axb4 17. axb4 Nca4 18. dxe6 fxe6 19. Nxa4 Rxa4 20. Qb3 Qd6 21. Rfd1 Qxb4 22. Qxb4 Rxb4 23. Rxc7 Rc4 24. Re7 Rf8 25. Rd6 Na4 26. e5 Rc2 27. Bf4 Nc3 28. Nd4 Ne2+ 29. Nxe2 Rxe2 30. Bxb7 g5 31. Be3 Bxe5 32. Bxc8 Bxd6 33. Bxe6+ Kh8 34. Bd4+ Be5 35. Bg4 1/2-1/2

[Event "Fredericia"]
[Site "Fredericia"]
[Date "2025.05.31"]
[Round "7"]
[White "Collin, Moritz Valentin"]
[Black "Mattenberger, Matthias"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2250"]
[BlackElo "2286"]
[PlyCount "117"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "3"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Be3 cxd4 7. cxd4 e6 8. Nc3 Qd6 9. Bd3 Nc6 10. 0-0 Be7 11. Rc1 0-0 12. Nd2 Nd5 13. Nc4 Qd8 14. Nxd5 exd5 15. Ne5 Bd7 16. Qb3 Nb4 17. Be2 a5 18. a3 a4 19. Qd1 Na6 20. Bd3 Nc7 21. Qc2 Bd6 22. Bxh7+ Kh8 23. Bd3 Bb5 24. Bxb5 Nxb5 25. f4 Kg8 26. Rf3 f5 27. Rh3 Rc8 28. Qxa4 Rxc1+ 29. Bxc1 Bxe5 30. dxe5 Qb6+ 31. Be3 Qc6 32. Rf3 d4 33. Bxd4 Rd8 34. Qb3+ Kh7 35. Be3 Nc7 36. Rh3+ Kg6 37. Rg3+ Kh7 38. Rh3+ Kg6 39. Rg3+ Kh7 40. h3 Ne6 41. Kh2 Rd5 42. Rf3 Qd7 43. Qc2 g6 44. Rf2 Kg7 45. Rd2 Kf7 46. Rxd5 Qxd5 47. b3 b5 48. Qc3 Qe4 49. Qd2 Kg7 50. Kg3 Kh6 51. Kf2 Qb1 52. Qd5 Qb2+ 53. Kf3 Nf8 54. Qg8 Qxa3 55. Qh8+ Nh7 56. g4 Qe7 57. Kg3 b4 58. Bc5 Qb7 59. Bf8+ 1-0

[Event "Fredericia"]
[Site "Fredericia"]
[Date "2025.05.31"]
[Round "7"]
[White "Collin, Moritz Valentin"]
[Black "Mattenberger, Matthias"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2250"]
[BlackElo "2286"]
[PlyCount "117"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "3"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Be3 cxd4 7. cxd4 e6 8. Nc3 Qd6 9. Bd3 Nc6 10. 0-0 Be7 11. Rc1 0-0 12. Nd2 Nd5 13. Nc4 Qd8 14. Nxd5 exd5 15. Ne5 Bd7 16. Qb3 Nb4 17. Be2 a5 18. a3 a4 19. Qd1 Na6 20. Bd3 Nc7 21. Qc2 Bd6 22. Bxh7+ Kh8 23. Bd3 Bb5 24. Bxb5 Nxb5 25. f4 Kg8 26. Rf3 f5 27. Rh3 Rc8 28. Qxa4 Rxc1+ 29. Bxc1 Bxe5 30. dxe5 Qb6+ 31. Be3 Qc6 32. Rf3 d4 33. Bxd4 Rd8 34. Qb3+ Kh7 35. Be3 Nc7 36. Rh3+ Kg6 37. Rg3+ Kh7 38. Rh3+ Kg6 39. Rg3+ Kh7 40. h3 Ne6 41. Kh2 Rd5 42. Rf3 Qd7 43. Qc2 g6 44. Rf2 Kg7 45. Rd2 Kf7 46. Rxd5 Qxd5 47. b3 b5 48. Qc3 Qe4 49. Qd2 Kg7 50. Kg3 Kh6 51. Kf2 Qb1 52. Qd5 Qb2+ 53. Kf3 Nf8 54. Qg8 Qxa3 55. Qh8+ Nh7 56. g4 Qe7 57. Kg3 b4 58. Bc5 Qb7 59. Bf8+ 1-0

[Event "Fredericia"]
[Site "Fredericia"]
[Date "2025.05.31"]
[Round "6"]
[White "Mattenberger, Matthias"]
[Black "Kanov, Nikola"]
[Result "0-1"]
[ECO "E44"]
[WhiteElo "2286"]
[BlackElo "2429"]
[PlyCount "82"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "3"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Ne4 6. Qc2 Bb7 7. a3 Bxc3+ 8. Nxc3 Nxc3 9. Qxc3 d6 10. b3 Qh4 11. d5 e5 12. Bd3 0-0 13. 0-0 Nd7 14. Bb2 Rae8 15. Rae1 Bc8 16. b4 Kh8 17. f3 f5 18. f4 Nf6 19. Qd2 Qh6 20. h3 Nh5 21. Kh2 Kg8 22. Be2 Nf6 23. Bd3 g5 24. Kg1 gxf4 25. exf4 e4 26. Be2 Re7 27. Qe3 Kf7 28. Kf2 Rg8 29. Rh1 Kf8 30. Reg1 b5 31. g3 a6 32. Kf1 bxc4 33. Bxc4 Bd7 34. Kf2 Bb5 35. Bb3 Reg7 36. a4 Bd3 37. Bd1 Nxd5 38. Bxg7+ Qxg7 39. Qc1 Qd4+ 40. Kg2 e3 41. Bc2 Qe4+ 0-1

[Event "Fredericia"]
[Site "Fredericia"]
[Date "2025.05.31"]
[Round "6"]
[White "Mattenberger, Matthias"]
[Black "Kanov, Nikola"]
[Result "0-1"]
[ECO "E44"]
[WhiteElo "2286"]
[BlackElo "2429"]
[PlyCount "82"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "3"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Ne4 6. Qc2 Bb7 7. a3 Bxc3+ 8. Nxc3 Nxc3 9. Qxc3 d6 10. b3 Qh4 11. d5 e5 12. Bd3 0-0 13. 0-0 Nd7 14. Bb2 Rae8 15. Rae1 Bc8 16. b4 Kh8 17. f3 f5 18. f4 Nf6 19. Qd2 Qh6 20. h3 Nh5 21. Kh2 Kg8 22. Be2 Nf6 23. Bd3 g5 24. Kg1 gxf4 25. exf4 e4 26. Be2 Re7 27. Qe3 Kf7 28. Kf2 Rg8 29. Rh1 Kf8 30. Reg1 b5 31. g3 a6 32. Kf1 bxc4 33. Bxc4 Bd7 34. Kf2 Bb5 35. Bb3 Reg7 36. a4 Bd3 37. Bd1 Nxd5 38. Bxg7+ Qxg7 39. Qc1 Qd4+ 40. Kg2 e3 41. Bc2 Qe4+ 0-1

[Event "Fredericia"]
[Site "Fredericia"]
[Date "2025.05.30"]
[Round "4"]
[White "Fries Nielsen, Jens Ove"]
[Black "Mattenberger, Matthias"]
[Result "0-1"]
[ECO "B55"]
[WhiteElo "2300"]
[BlackElo "2286"]
[PlyCount "58"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "3"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nd2 g6 6. Bb5+ Nbd7 7. a4 Bg7 8. 0-0 a6 9. Bc4 0-0 10. a5 Nc5 11. f3 b5 12. axb6 Qxb6 13. Kh1 Bb7 14. Ba2 e5 15. Nc4 Qc7 16. Nb3 Nxb3 17. Bxb3 d5 18. Na5 dxe4 19. Nxb7 Qxb7 20. fxe4 Rad8 21. Qe2 Nxe4 22. Bc4 Nd6 23. Bxa6 Qc6 24. Ra3 e4 25. b4 Nf5 26. b5 Qc5 27. Qxe4 Rd4 28. Qc6 Qe5 29. Bb2 Rf4 0-1

[Event "Fredericia"]
[Site "Fredericia"]
[Date "2025.05.30"]
[Round "4"]
[White "Fries Nielsen, Jens Ove"]
[Black "Mattenberger, Matthias"]
[Result "0-1"]
[ECO "B55"]
[WhiteElo "2300"]
[BlackElo "2286"]
[PlyCount "58"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "3"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nd2 g6 6. Bb5+ Nbd7 7. a4 Bg7 8. 0-0 a6 9. Bc4 0-0 10. a5 Nc5 11. f3 b5 12. axb6 Qxb6 13. Kh1 Bb7 14. Ba2 e5 15. Nc4 Qc7 16. Nb3 Nxb3 17. Bxb3 d5 18. Na5 dxe4 19. Nxb7 Qxb7 20. fxe4 Rad8 21. Qe2 Nxe4 22. Bc4 Nd6 23. Bxa6 Qc6 24. Ra3 e4 25. b4 Nf5 26. b5 Qc5 27. Qxe4 Rd4 28. Qc6 Qe5 29. Bb2 Rf4 0-1

[Event "Fredericia"]
[Site "Fredericia"]
[Date "2025.05.30"]
[Round "5"]
[White "Mattenberger, Matthias"]
[Black "Medhus, Vitus Bondo"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2286"]
[BlackElo "2384"]
[PlyCount "82"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "3"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Nc3 e5 7. Be3 Qa5 8. Nge2 exd4 9. Bxd4 Nf6 10. a3 Be7 11. Ng3 0-0 12. Qc2 c5 13. Be3 Nc6 14. 0-0-0 Ng4 15. Nd5 Nxe3 16. fxe3 Be6 17. Bd3 g6 18. Nxe7+ Nxe7 19. h4 Qc7 20. Qf2 b5 21. cxb5 c4 22. Be4 Rab8 23. Ne2 Rxb5 24. Nc3 Rb3 25. Qf6 Qb6 26. Rd4 Nc6 27. Bxc6 Qxc6 28. Rd2 h5 29. Rhd1 Qb6 30. Qe5 Kh7 31. Rd6 Qb7 32. Ne4 Rb5 33. Nf6+ Kh6 34. Qf4+ Kg7 35. Qd4 Kh6 36. Rd8 Rxd8 37. Qf4+ Kg7 38. Rxd8 Rf5 39. Ne8+ Kh7 40. Nf6+ Kg7 41. Ne8+ Kh7 1/2-1/2

[Event "Fredericia"]
[Site "Fredericia"]
[Date "2025.05.30"]
[Round "5"]
[White "Mattenberger, Matthias"]
[Black "Medhus, Vitus Bondo"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2286"]
[BlackElo "2384"]
[PlyCount "82"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "3"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Nc3 e5 7. Be3 Qa5 8. Nge2 exd4 9. Bxd4 Nf6 10. a3 Be7 11. Ng3 0-0 12. Qc2 c5 13. Be3 Nc6 14. 0-0-0 Ng4 15. Nd5 Nxe3 16. fxe3 Be6 17. Bd3 g6 18. Nxe7+ Nxe7 19. h4 Qc7 20. Qf2 b5 21. cxb5 c4 22. Be4 Rab8 23. Ne2 Rxb5 24. Nc3 Rb3 25. Qf6 Qb6 26. Rd4 Nc6 27. Bxc6 Qxc6 28. Rd2 h5 29. Rhd1 Qb6 30. Qe5 Kh7 31. Rd6 Qb7 32. Ne4 Rb5 33. Nf6+ Kh6 34. Qf4+ Kg7 35. Qd4 Kh6 36. Rd8 Rxd8 37. Qf4+ Kg7 38. Rxd8 Rf5 39. Ne8+ Kh7 40. Nf6+ Kg7 41. Ne8+ Kh7 1/2-1/2

[Event "Fredericia"]
[Site "Fredericia"]
[Date "2025.05.29"]
[Round "2"]
[White "Farokhi, Keyvan"]
[Black "Mattenberger, Matthias"]
[Result "1/2-1/2"]
[ECO "B93"]
[WhiteElo "2344"]
[BlackElo "2286"]
[PlyCount "62"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "3"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nb3 b5 8. fxe5 dxe5 9. Qxd8+ Kxd8 10. Be3 Nbd7 11. 0-0-0 Kc7 12. Be2 Bb4 13. Rd3 Bb7 14. Rf1 Rhf8 15. a3 Be7 16. Bf3 Rad8 17. g4 h6 18. Nd5+ Nxd5 19. exd5 Bg5 20. Bxg5 hxg5 21. Rc3+ Kb6 22. a4 Rc8 23. a5+ Ka7 24. Rxc8 Rxc8 25. Nd2 Nc5 26. Ne4 Nxe4 27. Bxe4 f6 28. Rd1 Kb8 29. Bf5 Rd8 30. d6 Bc6 31. h3 Kb7 1/2-1/2

[Event "Fredericia"]
[Site "Fredericia"]
[Date "2025.05.29"]
[Round "2"]
[White "Farokhi, Keyvan"]
[Black "Mattenberger, Matthias"]
[Result "1/2-1/2"]
[ECO "B93"]
[WhiteElo "2344"]
[BlackElo "2286"]
[PlyCount "62"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "3"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nb3 b5 8. fxe5 dxe5 9. Qxd8+ Kxd8 10. Be3 Nbd7 11. 0-0-0 Kc7 12. Be2 Bb4 13. Rd3 Bb7 14. Rf1 Rhf8 15. a3 Be7 16. Bf3 Rad8 17. g4 h6 18. Nd5+ Nxd5 19. exd5 Bg5 20. Bxg5 hxg5 21. Rc3+ Kb6 22. a4 Rc8 23. a5+ Ka7 24. Rxc8 Rxc8 25. Nd2 Nc5 26. Ne4 Nxe4 27. Bxe4 f6 28. Rd1 Kb8 29. Bf5 Rd8 30. d6 Bc6 31. h3 Kb7 1/2-1/2

[Event "Fredericia"]
[Site "Fredericia"]
[Date "2025.05.29"]
[Round "3"]
[White "Mattenberger, Matthias"]
[Black "Hald Falkesgaard, Jeppe"]
[Result "1/2-1/2"]
[ECO "D43"]
[WhiteElo "2286"]
[BlackElo "2271"]
[PlyCount "93"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "3"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 g6 8. Be2 Bg7 9. 0-0 0-0 10. Ne5 Nd7 11. f4 Nxe5 12. fxe5 Qe7 13. cxd5 exd5 14. Bd3 Be6 15. Qe1 Qb4 16. a3 Qb3 17. Qd2 Qb6 18. Kh1 a5 19. Rac1 a4 20. Ne2 Rfc8 21. Nf4 c5 22. dxc5 Qc6 23. Qb4 Qd7 24. e4 d4 25. Bb5 Qc7 26. Nd5 Qxe5 27. Ne7+ Kh7 28. Nxc8 Rxc8 29. Bd3 Qh5 30. Rf3 Be5 31. h3 Bd6 32. Rcf1 Rxc5 33. Qxd4 Qe5 34. Qxe5 Bxe5 35. R3f2 Bb3 36. g4 Kg7 37. Kg2 Rc6 38. Bb5 Rb6 39. Be8 Bf6 40. e5 Bd5+ 41. Kg1 Bxe5 42. Bxf7 Bc6 43. Bc4 Bd4 44. Kh2 Be5+ 45. Kg1 Bd4 46. Kh2 Be5+ 47. Kg1 1/2-1/2

[Event "Fredericia"]
[Site "Fredericia"]
[Date "2025.05.29"]
[Round "3"]
[White "Mattenberger, Matthias"]
[Black "Hald Falkesgaard, Jeppe"]
[Result "1/2-1/2"]
[ECO "D43"]
[WhiteElo "2286"]
[BlackElo "2271"]
[PlyCount "93"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "3"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 g6 8. Be2 Bg7 9. 0-0 0-0 10. Ne5 Nd7 11. f4 Nxe5 12. fxe5 Qe7 13. cxd5 exd5 14. Bd3 Be6 15. Qe1 Qb4 16. a3 Qb3 17. Qd2 Qb6 18. Kh1 a5 19. Rac1 a4 20. Ne2 Rfc8 21. Nf4 c5 22. dxc5 Qc6 23. Qb4 Qd7 24. e4 d4 25. Bb5 Qc7 26. Nd5 Qxe5 27. Ne7+ Kh7 28. Nxc8 Rxc8 29. Bd3 Qh5 30. Rf3 Be5 31. h3 Bd6 32. Rcf1 Rxc5 33. Qxd4 Qe5 34. Qxe5 Bxe5 35. R3f2 Bb3 36. g4 Kg7 37. Kg2 Rc6 38. Bb5 Rb6 39. Be8 Bf6 40. e5 Bd5+ 41. Kg1 Bxe5 42. Bxf7 Bc6 43. Bc4 Bd4 44. Kh2 Be5+ 45. Kg1 Bd4 46. Kh2 Be5+ 47. Kg1 1/2-1/2

[Event "Fredericia"]
[Site "Fredericia"]
[Date "2025.05.28"]
[Round "1"]
[White "Mattenberger, Matthias"]
[Black "Bank, Pelle Rodkjaer"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2286"]
[BlackElo "2275"]
[PlyCount "93"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "3"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 d6 2. c4 e5 3. d5 e4 4. Nc3 f5 5. g3 Nf6 6. Bg2 g6 7. Nh3 Nbd7 8. f3 exf3 9. exf3 Bg7 10. 0-0 0-0 11. Be3 Ne5 12. b3 h6 13. Qd2 Kh7 14. Rae1 Bd7 15. Kh1 Re8 16. Bd4 c5 17. dxc6 Bxc6 18. Nf4 Qa5 19. Rd1 Rad8 20. h4 h5 21. Ne4 Qxd2 22. Ng5+ Kg8 23. Rxd2 Bh6 24. Bxa7 Nh7 25. Bb6 Rd7 26. Nd5 Bxd5 27. Rxd5 Nf6 28. Rd2 d5 29. cxd5 Nxd5 30. Bg1 Nb4 31. Re2 Bxg5 32. hxg5 Kf7 33. a3 Nbd3 34. Rd2 f4 35. Bh2 fxg3 36. Bxg3 Red8 37. Kh2 Rd4 38. Rfd1 R4d7 39. Kg1 Nb2 40. Rxd7+ Rxd7 41. Rxd7+ Nxd7 42. f4 b6 43. Bd5+ Ke7 44. Be4 Kf7 45. Bc2 Nc5 46. Bf2 Nbd3 47. b4 1-0

[Event "Fredericia"]
[Site "Fredericia"]
[Date "2025.05.28"]
[Round "1"]
[White "Mattenberger, Matthias"]
[Black "Bank, Pelle Rodkjaer"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2286"]
[BlackElo "2275"]
[PlyCount "93"]
[EventDate "2025.05.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "DEN"]
[EventCategory "3"]
[SourceTitle "CB23_2025"]
[SourceDate "2025.06.04"]
[SourceVersion "1"]
[SourceVersionDate "2025.06.04"]
[SourceQuality "1"]

1. d4 d6 2. c4 e5 3. d5 e4 4. Nc3 f5 5. g3 Nf6 6. Bg2 g6 7. Nh3 Nbd7 8. f3 exf3 9. exf3 Bg7 10. 0-0 0-0 11. Be3 Ne5 12. b3 h6 13. Qd2 Kh7 14. Rae1 Bd7 15. Kh1 Re8 16. Bd4 c5 17. dxc6 Bxc6 18. Nf4 Qa5 19. Rd1 Rad8 20. h4 h5 21. Ne4 Qxd2 22. Ng5+ Kg8 23. Rxd2 Bh6 24. Bxa7 Nh7 25. Bb6 Rd7 26. Nd5 Bxd5 27. Rxd5 Nf6 28. Rd2 d5 29. cxd5 Nxd5 30. Bg1 Nb4 31. Re2 Bxg5 32. hxg5 Kf7 33. a3 Nbd3 34. Rd2 f4 35. Bh2 fxg3 36. Bxg3 Red8 37. Kh2 Rd4 38. Rfd1 R4d7 39. Kg1 Nb2 40. Rxd7+ Rxd7 41. Rxd7+ Nxd7 42. f4 b6 43. Bd5+ Ke7 44. Be4 Kf7 45. Bc2 Nc5 46. Bf2 Nbd3 47. b4 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "10"]
[White "Ambartsumova, Karina"]
[Black "Mattenberger, Matthias"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2403"]
[BlackElo "2286"]
[PlyCount "269"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 Nc6 3. d4 e6 4. g3 Bb4+ 5. Bd2 a5 6. Bg2 0-0 7. 0-0 Bxd2 8. Nbxd2 d6 9. Qc2 e5 10. d5 Nb8 11. e4 Nbd7 12. b3 Nc5 13. a3 Bg4 14. b4 Bxf3 15. Bxf3 axb4 16. axb4 Rxa1 17. Rxa1 Na6 18. Qc3 Qd7 19. Be2 Qe7 20. f3 Nd7 21. Bd3 Rc8 22. Nb3 Qg5 23. Kf2 Qd8 24. c5 Nab8 25. Rc1 Qe7 26. Na5 dxc5 27. bxc5 b6 28. cxb6 Nxb6 29. Kg2 h5 30. h4 Qd6 31. Nb7 Qe7 32. Qb2 N8d7 33. Bb5 Rb8 34. Na5 Rc8 35. Nc6 Qd6 36. Ra1 Ra8 37. Rxa8+ Nxa8 38. Be2 Nab6 39. Qc3 f6 40. Kf2 Qc5+ 41. Qe3 Qxe3+ 42. Kxe3 Nc8 43. f4 exf4+ 44. gxf4 Ncb6 45. Bxh5 Kf8 46. Bg4 Nc5 47. Kd4 Nb7 48. e5 fxe5+ 49. fxe5 Ke8 50. h5 Nd8 51. Nb4 Nf7 52. Bf5 Nh6 53. Bg6+ Kd7 54. e6+ Kd6 55. Be4 Ng4 56. Nd3 Nf6 57. Nb4 Ne8 58. Nd3 Nf6 59. Ne5 Nxh5 60. Nf7+ Ke7 61. Kc5 Nf6 62. Bf3 Ne8 63. Kc6 Nc8 64. Ne5 Ncd6 65. Ng6+ Kf6 66. Nf4 Ke5 67. Nd3+ Kd4 68. Nc5 Ke5 69. Bh5 Kf6 70. Nd7+ Ke7 71. Ne5 Nf6 72. Bf3 Nde8 73. Ng6+ Kd8 74. e7+ Kc8 75. Bg2 Ng8 76. Bh3+ Kb8 77. Bd7 Nxe7+ 78. Nxe7 Nf6 79. Be6 Ka7 80. Nf5 Ka6 81. Nxg7 Nxd5 82. Bxd5 Ka5 83. Kc5 Ka4 84. Ne6 Ka3 85. Nxc7 Kb2 86. Kd4 Kc2 87. Kc4 Kd2 88. Nb5 Ke3 89. Nd4 Kf4 90. Kc5 Ke5 91. Nc6+ Kf4 92. Kd4 Kf5 93. Ne5 Kf4 94. Be4 Kg5 95. Nf3+ Kf4 96. Nd2 Kg5 97. Ke5 Kg4 98. Nc4 Kg3 99. Kf5 Kf2 100. Kf4 Ke2 101. Bf5 Kd1 102. Ke3 Kc1 103. Bd3 Kd1 104. Ne5 Kc1 105. Nc4 Kd1 106. Be4 Kc1 107. Kd3 Kb1 108. Kc3+ Ka2 109. Kc2 Ka1 110. Nd2 Ka2 111. Nb3 Ka3 112. Kc3 Ka2 113. Bd3 Ka3 114. Bb1 Ka4 115. Nd4 Ka5 116. Kc4 Kb6 117. Nb5 Kc6 118. Bf5 Kb6 119. Be4 Ka5 120. Kc5 Ka4 121. Bc2+ Ka5 122. Bb3 Ka6 123. Nd6 Ka5 124. Nb7+ Ka6 125. Kc6 Ka7 126. Kc7 Ka8 127. Na5 Ka7 128. Bc4 Ka8 129. Bb5 Ka7 130. Nc4 Ka8 131. Ne5 Ka7 132. Nd7 Ka8 133. Nb6+ Ka7 134. Nc8+ Ka8 135. Bc6# 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "10"]
[White "Ambartsumova, Karina"]
[Black "Mattenberger, Matthias"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2403"]
[BlackElo "2286"]
[PlyCount "269"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 Nc6 3. d4 e6 4. g3 Bb4+ 5. Bd2 a5 6. Bg2 0-0 7. 0-0 Bxd2 8. Nbxd2 d6 9. Qc2 e5 10. d5 Nb8 11. e4 Nbd7 12. b3 Nc5 13. a3 Bg4 14. b4 Bxf3 15. Bxf3 axb4 16. axb4 Rxa1 17. Rxa1 Na6 18. Qc3 Qd7 19. Be2 Qe7 20. f3 Nd7 21. Bd3 Rc8 22. Nb3 Qg5 23. Kf2 Qd8 24. c5 Nab8 25. Rc1 Qe7 26. Na5 dxc5 27. bxc5 b6 28. cxb6 Nxb6 29. Kg2 h5 30. h4 Qd6 31. Nb7 Qe7 32. Qb2 N8d7 33. Bb5 Rb8 34. Na5 Rc8 35. Nc6 Qd6 36. Ra1 Ra8 37. Rxa8+ Nxa8 38. Be2 Nab6 39. Qc3 f6 40. Kf2 Qc5+ 41. Qe3 Qxe3+ 42. Kxe3 Nc8 43. f4 exf4+ 44. gxf4 Ncb6 45. Bxh5 Kf8 46. Bg4 Nc5 47. Kd4 Nb7 48. e5 fxe5+ 49. fxe5 Ke8 50. h5 Nd8 51. Nb4 Nf7 52. Bf5 Nh6 53. Bg6+ Kd7 54. e6+ Kd6 55. Be4 Ng4 56. Nd3 Nf6 57. Nb4 Ne8 58. Nd3 Nf6 59. Ne5 Nxh5 60. Nf7+ Ke7 61. Kc5 Nf6 62. Bf3 Ne8 63. Kc6 Nc8 64. Ne5 Ncd6 65. Ng6+ Kf6 66. Nf4 Ke5 67. Nd3+ Kd4 68. Nc5 Ke5 69. Bh5 Kf6 70. Nd7+ Ke7 71. Ne5 Nf6 72. Bf3 Nde8 73. Ng6+ Kd8 74. e7+ Kc8 75. Bg2 Ng8 76. Bh3+ Kb8 77. Bd7 Nxe7+ 78. Nxe7 Nf6 79. Be6 Ka7 80. Nf5 Ka6 81. Nxg7 Nxd5 82. Bxd5 Ka5 83. Kc5 Ka4 84. Ne6 Ka3 85. Nxc7 Kb2 86. Kd4 Kc2 87. Kc4 Kd2 88. Nb5 Ke3 89. Nd4 Kf4 90. Kc5 Ke5 91. Nc6+ Kf4 92. Kd4 Kf5 93. Ne5 Kf4 94. Be4 Kg5 95. Nf3+ Kf4 96. Nd2 Kg5 97. Ke5 Kg4 98. Nc4 Kg3 99. Kf5 Kf2 100. Kf4 Ke2 101. Bf5 Kd1 102. Ke3 Kc1 103. Bd3 Kd1 104. Ne5 Kc1 105. Nc4 Kd1 106. Be4 Kc1 107. Kd3 Kb1 108. Kc3+ Ka2 109. Kc2 Ka1 110. Nd2 Ka2 111. Nb3 Ka3 112. Kc3 Ka2 113. Bd3 Ka3 114. Bb1 Ka4 115. Nd4 Ka5 116. Kc4 Kb6 117. Nb5 Kc6 118. Bf5 Kb6 119. Be4 Ka5 120. Kc5 Ka4 121. Bc2+ Ka5 122. Bb3 Ka6 123. Nd6 Ka5 124. Nb7+ Ka6 125. Kc6 Ka7 126. Kc7 Ka8 127. Na5 Ka7 128. Bc4 Ka8 129. Bb5 Ka7 130. Nc4 Ka8 131. Ne5 Ka7 132. Nd7 Ka8 133. Nb6+ Ka7 134. Nc8+ Ka8 135. Bc6# 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "2"]
[White "Fernandes, Rogerio Paulo Mulle"]
[Black "Mattenberger, Matthias"]
[Result "0-1"]
[ECO "A22"]
[WhiteElo "2241"]
[BlackElo "2286"]
[PlyCount "110"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nxc3 6. bxc3 Nc6 7. Rb1 Bc5 8. d3 0-0 9. Nf3 Rb8 10. 0-0 b6 11. Ng5 Bb7 12. Ne4 Be7 13. Qa4 Na5 14. c4 c5 15. Bd2 Nc6 16. Nf6+ Bxf6 17. Bxc6 e4 18. Bf4 Qc8 19. Bxe4 Bxe4 20. dxe4 Rb7 21. Rfd1 Re7 22. f3 Bd4+ 23. e3 Be5 24. Bxe5 Rxe5 25. Rd5 Re7 26. Rbd1 Qe6 27. Kg2 Qf6 28. Qc2 Rfe8 29. Rd8 h5 30. Rxe8+ Rxe8 31. h4 Rd8 32. Rd5 Re8 33. Rxh5 Re5 34. Rxe5 Qxe5 35. Qd2 Qa1 36. f4 g6 37. e5 Qb1 38. Qd8+ Kh7 39. Qf6 Qxa2+ 40. Kh3 Qxc4 41. h5 Qe6+ 42. Qxe6 fxe6 43. hxg6+ Kxg6 44. e4 a5 45. g4 a4 46. f5+ Kf7 47. g5 a3 48. g6+ Kg7 49. Kg4 a2 50. Kg5 a1Q 51. f6+ Kf8 52. g7+ Kf7 53. Kh6 Qh1+ 54. Kg5 Qxe4 55. Kh6 Qg6# 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "2"]
[White "Fernandes, Rogerio Paulo Mulle"]
[Black "Mattenberger, Matthias"]
[Result "0-1"]
[ECO "A22"]
[WhiteElo "2241"]
[BlackElo "2286"]
[PlyCount "110"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nxc3 6. bxc3 Nc6 7. Rb1 Bc5 8. d3 0-0 9. Nf3 Rb8 10. 0-0 b6 11. Ng5 Bb7 12. Ne4 Be7 13. Qa4 Na5 14. c4 c5 15. Bd2 Nc6 16. Nf6+ Bxf6 17. Bxc6 e4 18. Bf4 Qc8 19. Bxe4 Bxe4 20. dxe4 Rb7 21. Rfd1 Re7 22. f3 Bd4+ 23. e3 Be5 24. Bxe5 Rxe5 25. Rd5 Re7 26. Rbd1 Qe6 27. Kg2 Qf6 28. Qc2 Rfe8 29. Rd8 h5 30. Rxe8+ Rxe8 31. h4 Rd8 32. Rd5 Re8 33. Rxh5 Re5 34. Rxe5 Qxe5 35. Qd2 Qa1 36. f4 g6 37. e5 Qb1 38. Qd8+ Kh7 39. Qf6 Qxa2+ 40. Kh3 Qxc4 41. h5 Qe6+ 42. Qxe6 fxe6 43. hxg6+ Kxg6 44. e4 a5 45. g4 a4 46. f5+ Kf7 47. g5 a3 48. g6+ Kg7 49. Kg4 a2 50. Kg5 a1Q 51. f6+ Kf8 52. g7+ Kf7 53. Kh6 Qh1+ 54. Kg5 Qxe4 55. Kh6 Qg6# 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "4"]
[White "Koridze, Lile"]
[Black "Mattenberger, Matthias"]
[Result "0-1"]
[ECO "A35"]
[WhiteElo "2110"]
[BlackElo "2286"]
[PlyCount "110"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. Nf3 0-0 6. Bd3 c5 7. cxd5 Nxd5 8. 0-0 Nc6 9. Bc4 Nb6 10. Bb3 cxd4 11. exd4 Nxd4 12. Nxd4 Qxd4 13. Qf3 Qg4 14. Qe3 Bf5 15. Qxe7 Rfe8 16. Qxb7 Be6 17. Bxe6 Rxe6 18. Be3 Rae8 19. Qxa7 Nc4 20. Nd5 Nxb2 21. Nc7 R6e7 22. Nxe8 Rxa7 23. Bxa7 Be5 24. Rae1 Nd3 25. Re3 Nf4 26. g3 Nh3+ 27. Kg2 Bg7 28. Rf3 Ng5 29. Rf4 Qh5 30. Nf6+ Bxf6 31. Rxf6 Qh3+ 32. Kg1 Ne4 33. Rf4 Ng5 34. Bd4 Qd7 35. h4 Ne6 36. Re4 Nxd4 37. Kh2 Nf3+ 38. Kg2 Nd2 39. Rd1 Qc6 40. Rxd2 Qxe4+ 41. f3 Qe3 42. Rf2 Qa3 43. Rc2 h5 44. Kf2 Kg7 45. Re2 Kf6 46. Kg2 Kf5 47. Kf2 f6 48. Kg2 g5 49. hxg5 fxg5 50. Rd2 Qe3 51. Rd5+ Ke6 52. Rd8 Qe2+ 53. Kh3 Qxf3 54. Re8+ Kd7 55. Re5 Qh1# 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "4"]
[White "Koridze, Lile"]
[Black "Mattenberger, Matthias"]
[Result "0-1"]
[ECO "A35"]
[WhiteElo "2110"]
[BlackElo "2286"]
[PlyCount "110"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. Nf3 0-0 6. Bd3 c5 7. cxd5 Nxd5 8. 0-0 Nc6 9. Bc4 Nb6 10. Bb3 cxd4 11. exd4 Nxd4 12. Nxd4 Qxd4 13. Qf3 Qg4 14. Qe3 Bf5 15. Qxe7 Rfe8 16. Qxb7 Be6 17. Bxe6 Rxe6 18. Be3 Rae8 19. Qxa7 Nc4 20. Nd5 Nxb2 21. Nc7 R6e7 22. Nxe8 Rxa7 23. Bxa7 Be5 24. Rae1 Nd3 25. Re3 Nf4 26. g3 Nh3+ 27. Kg2 Bg7 28. Rf3 Ng5 29. Rf4 Qh5 30. Nf6+ Bxf6 31. Rxf6 Qh3+ 32. Kg1 Ne4 33. Rf4 Ng5 34. Bd4 Qd7 35. h4 Ne6 36. Re4 Nxd4 37. Kh2 Nf3+ 38. Kg2 Nd2 39. Rd1 Qc6 40. Rxd2 Qxe4+ 41. f3 Qe3 42. Rf2 Qa3 43. Rc2 h5 44. Kf2 Kg7 45. Re2 Kf6 46. Kg2 Kf5 47. Kf2 f6 48. Kg2 g5 49. hxg5 fxg5 50. Rd2 Qe3 51. Rd5+ Ke6 52. Rd8 Qe2+ 53. Kh3 Qxf3 54. Re8+ Kd7 55. Re5 Qh1# 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "5"]
[White "Lewtak, Damian"]
[Black "Mattenberger, Matthias"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2352"]
[BlackElo "2286"]
[PlyCount "54"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. 0-0 a6 5. Bxd7+ Bxd7 6. c3 Nf6 7. Re1 e5 8. d4 exd4 9. cxd4 cxd4 10. Nxd4 Be7 11. Nc3 0-0 12. Bf4 Re8 13. h3 Bf8 14. Qf3 h6 15. Nf5 Bxf5 16. exf5 Rxe1+ 17. Rxe1 d5 18. Rd1 Qb6 19. Nxd5 Nxd5 20. Qxd5 Qxb2 21. Rc1 Be7 22. Rc7 Rd8 23. Qxb7 Rd1+ 24. Kh2 Qxf2 25. Qf3 Qg1+ 26. Kg3 Qe1+ 27. Kg4 Qh4# 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "5"]
[White "Lewtak, Damian"]
[Black "Mattenberger, Matthias"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2352"]
[BlackElo "2286"]
[PlyCount "54"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. 0-0 a6 5. Bxd7+ Bxd7 6. c3 Nf6 7. Re1 e5 8. d4 exd4 9. cxd4 cxd4 10. Nxd4 Be7 11. Nc3 0-0 12. Bf4 Re8 13. h3 Bf8 14. Qf3 h6 15. Nf5 Bxf5 16. exf5 Rxe1+ 17. Rxe1 d5 18. Rd1 Qb6 19. Nxd5 Nxd5 20. Qxd5 Qxb2 21. Rc1 Be7 22. Rc7 Rd8 23. Qxb7 Rd1+ 24. Kh2 Qxf2 25. Qf3 Qg1+ 26. Kg3 Qe1+ 27. Kg4 Qh4# 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "1"]
[White "Mattenberger, Matthias"]
[Black "Le, Tuan Minh"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "2286"]
[BlackElo "2598"]
[PlyCount "66"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 a6 5. c5 Nbd7 6. Bf4 Nh5 7. Bd2 g6 8. h3 Bg7 9. g3 0-0 10. Bg2 e5 11. dxe5 Nxe5 12. Nxe5 Bxe5 13. 0-0 Qe7 14. Na4 Re8 15. Nb6 Rb8 16. Nxc8 Rbxc8 17. Qc2 Bd4 18. e3 Bxc5 19. Bc3 Bd6 20. Rfe1 Nf6 21. Rad1 Be5 22. Ba5 h5 23. b3 h4 24. g4 Bd6 25. Bb6 Nd7 26. Bd4 Be5 27. e4 Bxd4 28. Rxd4 Qc5 29. Qd2 Nf6 30. e5 Nd7 31. f4 g5 32. fxg5 Rxe5 33. Kh1 Rxe1+ 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "1"]
[White "Mattenberger, Matthias"]
[Black "Le, Tuan Minh"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "2286"]
[BlackElo "2598"]
[PlyCount "66"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 a6 5. c5 Nbd7 6. Bf4 Nh5 7. Bd2 g6 8. h3 Bg7 9. g3 0-0 10. Bg2 e5 11. dxe5 Nxe5 12. Nxe5 Bxe5 13. 0-0 Qe7 14. Na4 Re8 15. Nb6 Rb8 16. Nxc8 Rbxc8 17. Qc2 Bd4 18. e3 Bxc5 19. Bc3 Bd6 20. Rfe1 Nf6 21. Rad1 Be5 22. Ba5 h5 23. b3 h4 24. g4 Bd6 25. Bb6 Nd7 26. Bd4 Be5 27. e4 Bxd4 28. Rxd4 Qc5 29. Qd2 Nf6 30. e5 Nd7 31. f4 g5 32. fxg5 Rxe5 33. Kh1 Rxe1+ 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "6"]
[White "Mattenberger, Matthias"]
[Black "Shuvalov, Evgenij"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "2286"]
[BlackElo "1986"]
[PlyCount "104"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Nf3 Bg7 8. Be3 Qa5 9. Nd2 cxd4 10. Nc4 Qd8 11. cxd4 0-0 12. Rc1 Nd7 13. Be2 Nf6 14. f3 Nd7 15. 0-0 b6 16. Qb3 Ba6 17. Rfd1 Rc8 18. Qa4 Nb8 19. Qa3 Rc7 20. Bf1 Qc8 21. Nxb6 axb6 22. Rxc7 Qxc7 23. Bxa6 Qa7 24. Rb1 Qxa6 25. Qxa6 Nxa6 26. Rxb6 Ra8 27. Rb7 e6 28. h4 h5 29. Kf2 Rb8 30. Rxb8+ Nxb8 31. Ke2 Kf8 32. Kd3 Ke8 33. Kc4 Kd7 34. a4 Kc6 35. g4 Bf6 36. Bf2 Bd8 37. d5+ exd5+ 38. exd5+ Kb7 39. Kb5 Nd7 40. a5 Ne5 41. a6+ Ka8 42. gxh5 gxh5 43. Bg3 Nxf3 44. Kc6 Nxh4 45. Kd7 Bg5 46. Ke8 f5 47. d6 f4 48. Bf2 Nf5 49. d7 h4 50. Kf7 h3 51. Kg6 Bd8 52. Bg1 f3 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "6"]
[White "Mattenberger, Matthias"]
[Black "Shuvalov, Evgenij"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "2286"]
[BlackElo "1986"]
[PlyCount "104"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Nf3 Bg7 8. Be3 Qa5 9. Nd2 cxd4 10. Nc4 Qd8 11. cxd4 0-0 12. Rc1 Nd7 13. Be2 Nf6 14. f3 Nd7 15. 0-0 b6 16. Qb3 Ba6 17. Rfd1 Rc8 18. Qa4 Nb8 19. Qa3 Rc7 20. Bf1 Qc8 21. Nxb6 axb6 22. Rxc7 Qxc7 23. Bxa6 Qa7 24. Rb1 Qxa6 25. Qxa6 Nxa6 26. Rxb6 Ra8 27. Rb7 e6 28. h4 h5 29. Kf2 Rb8 30. Rxb8+ Nxb8 31. Ke2 Kf8 32. Kd3 Ke8 33. Kc4 Kd7 34. a4 Kc6 35. g4 Bf6 36. Bf2 Bd8 37. d5+ exd5+ 38. exd5+ Kb7 39. Kb5 Nd7 40. a5 Ne5 41. a6+ Ka8 42. gxh5 gxh5 43. Bg3 Nxf3 44. Kc6 Nxh4 45. Kd7 Bg5 46. Ke8 f5 47. d6 f4 48. Bf2 Nf5 49. d7 h4 50. Kf7 h3 51. Kg6 Bd8 52. Bg1 f3 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "9"]
[White "Mattenberger, Matthias"]
[Black "Toktomushev, Teimur"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "2286"]
[BlackElo "2398"]
[PlyCount "48"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Bd3 Nbd7 8. Qc2 0-0 9. Nge2 Re8 10. 0-0 Nf8 11. Rae1 h6 12. Bh4 Ne6 13. Nc1 a6 14. Nb3 b6 15. Na4 Bd7 16. Nd2 c5 17. dxc5 bxc5 18. Rc1 Qa5 19. Bxf6 Bxf6 20. Nxc5 Nxc5 21. Qxc5 Qxd2 22. Rfd1 Qxb2 23. Rb1 Qe5 24. Rb7 Be6 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "9"]
[White "Mattenberger, Matthias"]
[Black "Toktomushev, Teimur"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "2286"]
[BlackElo "2398"]
[PlyCount "48"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Bd3 Nbd7 8. Qc2 0-0 9. Nge2 Re8 10. 0-0 Nf8 11. Rae1 h6 12. Bh4 Ne6 13. Nc1 a6 14. Nb3 b6 15. Na4 Bd7 16. Nd2 c5 17. dxc5 bxc5 18. Rc1 Qa5 19. Bxf6 Bxf6 20. Nxc5 Nxc5 21. Qxc5 Qxd2 22. Rfd1 Qxb2 23. Rb1 Qe5 24. Rb7 Be6 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "3"]
[White "Mattenberger, Matthias"]
[Black "Tristan, Leonardo"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2286"]
[BlackElo "2536"]
[PlyCount "122"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Nf3 Nf6 6. Bg5 Be6 7. e3 Nbd7 8. Bd3 Bd6 9. 0-0 c6 10. Qd2 Qc7 11. Bf4 h6 12. h3 g5 13. Bxd6 Qxd6 14. Rfe1 0-0-0 15. b4 Rhg8 16. a4 g4 17. hxg4 Bxg4 18. Nh4 Bh3 19. b5 Rxg2+ 20. Nxg2 Rg8 21. Bf1 Ne4 22. Nxe4 dxe4 23. bxc6 bxc6 24. Rec1 Kd8 25. Qa5+ Ke8 26. Qh5 Bg4 27. Qh4 Bf3 28. d5 Qxd5 29. Kh2 Ne5 30. Nf4 Qd6 31. Bh3 Rg5 32. Rg1 f6 33. Qxh6 Qd2 34. Rxg5 fxg5 35. Qe6+ Kf8 36. Qxe5 gxf4 37. Qxf4+ Ke7 38. Qe5+ Kf8 39. Qf6+ Ke8 40. Qg6+ Ke7 41. Qg5+ Ke8 42. Qe5+ Kf8 43. Qb8+ Kf7 44. Qc7+ Kf8 45. Qc8+ Ke7 46. Qe6+ Kf8 47. Qc8+ Ke7 48. Qd7+ Qxd7 49. Bxd7 Kxd7 50. Kg3 Kd6 51. Kf4 Kd5 52. Rc1 c5 53. Kf5 c4 54. Kf6 Be2 55. Ke7 Kc5 56. Ke6 Kb4 57. Ke5 Bd3 58. Kd4 Kb3 59. Rc3+ Kb4 60. Rc1 Kb3 61. Rc3+ Kb4 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "3"]
[White "Mattenberger, Matthias"]
[Black "Tristan, Leonardo"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2286"]
[BlackElo "2536"]
[PlyCount "122"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Nf3 Nf6 6. Bg5 Be6 7. e3 Nbd7 8. Bd3 Bd6 9. 0-0 c6 10. Qd2 Qc7 11. Bf4 h6 12. h3 g5 13. Bxd6 Qxd6 14. Rfe1 0-0-0 15. b4 Rhg8 16. a4 g4 17. hxg4 Bxg4 18. Nh4 Bh3 19. b5 Rxg2+ 20. Nxg2 Rg8 21. Bf1 Ne4 22. Nxe4 dxe4 23. bxc6 bxc6 24. Rec1 Kd8 25. Qa5+ Ke8 26. Qh5 Bg4 27. Qh4 Bf3 28. d5 Qxd5 29. Kh2 Ne5 30. Nf4 Qd6 31. Bh3 Rg5 32. Rg1 f6 33. Qxh6 Qd2 34. Rxg5 fxg5 35. Qe6+ Kf8 36. Qxe5 gxf4 37. Qxf4+ Ke7 38. Qe5+ Kf8 39. Qf6+ Ke8 40. Qg6+ Ke7 41. Qg5+ Ke8 42. Qe5+ Kf8 43. Qb8+ Kf7 44. Qc7+ Kf8 45. Qc8+ Ke7 46. Qe6+ Kf8 47. Qc8+ Ke7 48. Qd7+ Qxd7 49. Bxd7 Kxd7 50. Kg3 Kd6 51. Kf4 Kd5 52. Rc1 c5 53. Kf5 c4 54. Kf6 Be2 55. Ke7 Kc5 56. Ke6 Kb4 57. Ke5 Bd3 58. Kd4 Kb3 59. Rc3+ Kb4 60. Rc1 Kb3 61. Rc3+ Kb4 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "11"]
[White "Mattenberger, Matthias"]
[Black "Turcsanyi, Vince Gergo"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2286"]
[BlackElo "2321"]
[PlyCount "71"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 d6 2. c4 g6 3. Nc3 Bg7 4. e4 c5 5. d5 f5 6. h4 h6 7. exf5 Bxf5 8. g4 Bd7 9. Bd3 Qa5 10. Bxg6+ Kd8 11. Bd2 Qb4 12. Bd3 Qxb2 13. Rb1 Qa3 14. Rb3 Qa6 15. f3 b6 16. Nge2 Ba4 17. Nxa4 Qxa4 18. Nf4 Kc8 19. Bf5+ Nd7 20. 0-0 Qxc4 21. Re1 Be5 22. Ng6 Bd4+ 23. Kh1 Qxd5 24. Nxh8 Bxh8 25. Be4 Qe5 26. Bxa8 Qg3 27. Qe2 Qxh4+ 28. Qh2 Qf6 29. Bc3 Ne5 30. Bxe5 dxe5 31. Be4 Qd6 32. Rd3 Qc7 33. Red1 Nf6 34. Rd8+ Qxd8 35. Rxd8+ Kxd8 36. Qxh6 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "11"]
[White "Mattenberger, Matthias"]
[Black "Turcsanyi, Vince Gergo"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2286"]
[BlackElo "2321"]
[PlyCount "71"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 d6 2. c4 g6 3. Nc3 Bg7 4. e4 c5 5. d5 f5 6. h4 h6 7. exf5 Bxf5 8. g4 Bd7 9. Bd3 Qa5 10. Bxg6+ Kd8 11. Bd2 Qb4 12. Bd3 Qxb2 13. Rb1 Qa3 14. Rb3 Qa6 15. f3 b6 16. Nge2 Ba4 17. Nxa4 Qxa4 18. Nf4 Kc8 19. Bf5+ Nd7 20. 0-0 Qxc4 21. Re1 Be5 22. Ng6 Bd4+ 23. Kh1 Qxd5 24. Nxh8 Bxh8 25. Be4 Qe5 26. Bxa8 Qg3 27. Qe2 Qxh4+ 28. Qh2 Qf6 29. Bc3 Ne5 30. Bxe5 dxe5 31. Be4 Qd6 32. Rd3 Qc7 33. Red1 Nf6 34. Rd8+ Qxd8 35. Rxd8+ Kxd8 36. Qxh6 1-0

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "7"]
[White "Zepeda Berlanga, Jan Enrique"]
[Black "Mattenberger, Matthias"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1941"]
[BlackElo "2286"]
[PlyCount "122"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be7 8. Bc4 0-0 9. 0-0 Nc6 10. Re1 b5 11. Bf1 h6 12. a4 b4 13. Nd5 Nxd5 14. exd5 Nb8 15. Nd2 Nd7 16. a5 f5 17. f4 exf4 18. Bxf4 g5 19. Be3 Ne5 20. Qh5 Rf6 21. Bd4 Bd7 22. Nc4 Be8 23. Qh3 Ng4 24. Be2 Rg6 25. Bxg4 fxg4 26. Qxg4 Bf7 27. Nb6 Rb8 28. Re2 Bf8 29. Rf1 Bg7 30. Bxg7 Rxg7 31. Nd7 Rb7 32. Nf6+ Kh8 33. Qh3 h5 34. Nxh5 Rh7 35. g4 Bxh5 36. gxh5 Rbe7 37. Ref2 Re8 38. Qg4 Qe7 39. h4 gxh4 40. Qd4+ Rg7+ 41. Kh1 Qe5 42. Rf8+ Rxf8 43. Rxf8+ Kh7 44. Qd3+ Kh6 45. Rh8+ Kg5 46. Qd2+ Qf4 47. Qxf4+ Kxf4 48. h6 Re7 49. Rf8+ Kg3 50. Rg8+ Kh3 51. Kg1 Rh7 52. Rg6 b3 53. c3 Re7 54. Rxd6 Re2 55. h7 Re8 56. Rxa6 Rh8 57. Rh6 Kg3 58. d6 h3 59. d7 Rf8 60. h8Q h2+ 61. Kh1 Rf1# 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "7"]
[White "Zepeda Berlanga, Jan Enrique"]
[Black "Mattenberger, Matthias"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1941"]
[BlackElo "2286"]
[PlyCount "122"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be7 8. Bc4 0-0 9. 0-0 Nc6 10. Re1 b5 11. Bf1 h6 12. a4 b4 13. Nd5 Nxd5 14. exd5 Nb8 15. Nd2 Nd7 16. a5 f5 17. f4 exf4 18. Bxf4 g5 19. Be3 Ne5 20. Qh5 Rf6 21. Bd4 Bd7 22. Nc4 Be8 23. Qh3 Ng4 24. Be2 Rg6 25. Bxg4 fxg4 26. Qxg4 Bf7 27. Nb6 Rb8 28. Re2 Bf8 29. Rf1 Bg7 30. Bxg7 Rxg7 31. Nd7 Rb7 32. Nf6+ Kh8 33. Qh3 h5 34. Nxh5 Rh7 35. g4 Bxh5 36. gxh5 Rbe7 37. Ref2 Re8 38. Qg4 Qe7 39. h4 gxh4 40. Qd4+ Rg7+ 41. Kh1 Qe5 42. Rf8+ Rxf8 43. Rxf8+ Kh7 44. Qd3+ Kh6 45. Rh8+ Kg5 46. Qd2+ Qf4 47. Qxf4+ Kxf4 48. h6 Re7 49. Rf8+ Kg3 50. Rg8+ Kh3 51. Kg1 Rh7 52. Rg6 b3 53. c3 Re7 54. Rxd6 Re2 55. h7 Re8 56. Rxa6 Rh8 57. Rh6 Kg3 58. d6 h3 59. d7 Rf8 60. h8Q h2+ 61. Kh1 Rf1# 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "8"]
[White "Zieba, Hubert"]
[Black "Mattenberger, Matthias"]
[Result "0-1"]
[ECO "D76"]
[WhiteElo "2233"]
[BlackElo "2286"]
[PlyCount "68"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. Nf3 Nb6 7. 0-0 Nc6 8. e3 0-0 9. Nc3 Re8 10. h3 a5 11. Re1 a4 12. Qe2 e5 13. dxe5 Nxe5 14. Nxe5 Bxe5 15. e4 Be6 16. f4 Bxc3 17. bxc3 Bd5 18. Qf2 Bc6 19. Be3 Qe7 20. Bc5 Qe6 21. Rad1 Rad8 22. Bd4 Nc4 23. f5 Qd6 24. Kh2 Ne5 25. Qf4 f6 26. fxg6 hxg6 27. Bxe5 Qxe5 28. Qg4 Kg7 29. Qf3 Rh8 30. Rd3 Bb5 31. Rd5 Rxd5 32. exd5 Qxe1 33. d6 Bc6 34. Qg4 Qf2 0-1

[Event "Titled Tuesday intern op 06th May Early"]
[Site "Chess.com INT"]
[Date "2025.05.06"]
[Round "8"]
[White "Zieba, Hubert"]
[Black "Mattenberger, Matthias"]
[Result "0-1"]
[ECO "D76"]
[WhiteElo "2233"]
[BlackElo "2286"]
[PlyCount "68"]
[EventDate "2025.05.06"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB20_2025"]
[SourceDate "2025.05.14"]
[SourceVersion "1"]
[SourceVersionDate "2025.05.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. Nf3 Nb6 7. 0-0 Nc6 8. e3 0-0 9. Nc3 Re8 10. h3 a5 11. Re1 a4 12. Qe2 e5 13. dxe5 Nxe5 14. Nxe5 Bxe5 15. e4 Be6 16. f4 Bxc3 17. bxc3 Bd5 18. Qf2 Bc6 19. Be3 Qe7 20. Bc5 Qe6 21. Rad1 Rad8 22. Bd4 Nc4 23. f5 Qd6 24. Kh2 Ne5 25. Qf4 f6 26. fxg6 hxg6 27. Bxe5 Qxe5 28. Qg4 Kg7 29. Qf3 Rh8 30. Rd3 Bb5 31. Rd5 Rxd5 32. exd5 Qxe1 33. d6 Bc6 34. Qg4 Qf2 0-1

[Event "Basel Swiss YM"]
[Site "Basel"]
[Date "2025.04.26"]
[Round "9"]
[White "Fecker, Noah"]
[Black "Mattenberger, Matthias"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2345"]
[BlackElo "2279"]
[PlyCount "81"]
[EventDate "2025.04.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[EventCategory "5"]
[SourceTitle "CB18_2025"]
[SourceDate "2025.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nf6 5. Nc3 Nc6 6. Qd3 g6 7. Be2 Bg7 8. 0-0 0-0 9. Nd5 Nxd5 10. exd5 Nb4 11. Qd1 a5 12. c3 Na6 13. Re1 Nc5 14. Nd4 a4 15. Be3 Bd7 16. h4 Qc7 17. Bf3 Rfe8 18. Qd2 Qc8 19. g3 Bg4 20. Bg2 Bh3 21. Bh1 Nd7 22. b3 axb3 23. axb3 Rxa1 24. Rxa1 Nc5 25. Ra3 Bf5 26. b4 Ne4 27. Qe1 h5 28. Nxf5 Qxf5 29. c4 e6 30. dxe6 Rxe6 31. Qf1 Re7 32. Qd3 Qe5 33. Ra8+ Kh7 34. Ra5 Qe6 35. Rd5 Nxg3 36. fxg3 Qxe3+ 37. Qxe3 Rxe3 38. Rxd6 Rxg3+ 39. Kf1 Rg4 40. Bd5 Rxh4 41. Rb6 1/2-1/2

[Event "Basel Swiss YM"]
[Site "Basel"]
[Date "2025.04.25"]
[Round "8"]
[White "Mattenberger, Matthias"]
[Black "Boyer, Mahel"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "2279"]
[BlackElo "2528"]
[PlyCount "96"]
[EventDate "2025.04.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[EventCategory "5"]
[SourceTitle "CB18_2025"]
[SourceDate "2025.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.30"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 h6 4. cxd5 exd5 5. Bf4 Nf6 6. e3 Bd6 7. Qf3 0-0 8. Bd3 Re8 9. h3 c5 10. Nge2 Nc6 11. 0-0 cxd4 12. exd4 Be6 13. Rfd1 a6 14. Rac1 Rc8 15. Na4 b5 16. Nac3 Na5 17. Ng3 Nc4 18. Bxc4 Rxc4 19. Be5 Bxe5 20. dxe5 Nd7 21. b3 Rh4 22. Qe3 Qb6 23. Qxb6 Nxb6 24. Nce2 Bd7 25. Nd4 Rf4 26. Nf3 Bxh3 27. Rc6 Re6 28. Rdc1 Nd7 29. Ne2 Rg4 30. Ng3 Rf4 31. Ne2 Rxf3 32. Rxe6 Bxe6 33. gxf3 Nxe5 34. Nd4 g5 35. Rc7 h5 36. Ra7 Kf8 37. Kg2 Nd3 38. Rxa6 b4 39. Ra7 h4 40. Nc6 Ne1+ 41. Kf1 h3 42. Kg1 Nxf3+ 43. Kh1 Bf5 44. Nxb4 Be4 45. Rc7 d4 46. a4 d3 47. Na2 d2 48. Nc3 Bd3 0-1

[Event "Basel Swiss YM"]
[Site "Basel"]
[Date "2025.04.24"]
[Round "7"]
[White "Vlachos, Anatole"]
[Black "Mattenberger, Matthias"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "2436"]
[BlackElo "2279"]
[PlyCount "93"]
[EventDate "2025.04.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[EventCategory "5"]
[SourceTitle "CB18_2025"]
[SourceDate "2025.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.30"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. 0-0 Be7 7. d4 exd4 8. Nxd4 Nxd4 9. Qxd4 Nf6 10. Qa4+ c6 11. Rd1 Bd7 12. e4 Qc8 13. Nc3 Bg4 14. Re1 Nd7 15. Nd5 Nc5 16. Nxe7 Nxa4 17. Nxc8 Rxc8 18. b3 Nb6 19. Ba3 Nd7 20. h3 Be6 21. f4 f6 22. Rad1 Rd8 23. Bd6 Nb6 24. f5 Bc8 25. a4 Kf7 26. Bf1 g6 27. g4 h5 28. a5 Nd7 29. g5 Rde8 30. Bc4+ Kg7 31. e5 Nxe5 32. Bxe5 Rxe5 33. Rxe5 fxe5 34. f6+ Kh7 35. h4 Re8 36. Kf2 b5 37. axb6 axb6 38. Ra1 Bf5 39. Ra7+ Kh8 40. Re7 Ra8 41. Rxe5 b5 42. Bf7 Rf8 43. Re8 Rxe8 44. Bxe8 b4 45. Bxc6 Be6 46. Ba4 Kg8 47. Ke3 1-0

[Event "Basel Swiss YM"]
[Site "Basel"]
[Date "2025.04.23"]
[Round "6"]
[White "Mattenberger, Matthias"]
[Black "Krastev, Alexander"]
[Result "1-0"]
[ECO "E45"]
[WhiteElo "2279"]
[BlackElo "2419"]
[PlyCount "88"]
[EventDate "2025.04.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[EventCategory "5"]
[SourceTitle "CB18_2025"]
[SourceDate "2025.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Ba6 6. Ng3 Bxc3+ 7. bxc3 d5 8. Qf3 Qd7 9. cxd5 exd5 10. Bxa6 Nxa6 11. Qe2 Nb8 12. 0-0 0-0 13. f3 c5 14. Bb2 Qe6 15. e4 Nbd7 16. c4 dxe4 17. d5 exf3 18. Qxf3 Qg4 19. Qc3 Rfe8 20. h3 Qd4+ 21. Qxd4 cxd4 22. Bxd4 Ne4 23. Nf5 f6 24. Rfe1 g6 25. Ne3 Nd6 26. Ng4 Kf7 27. Nh6+ Kg7 28. Re6 Nxc4 29. Ng4 Rxe6 30. dxe6 Nde5 31. Rf1 Rf8 32. e7 Re8 33. Rxf6 h5 34. Rc6 hxg4 35. Rxc4 Rxe7 36. Rc7 Kf8 37. Rxe7 Kxe7 38. Bxe5 gxh3 39. gxh3 Ke6 40. Bb8 a6 41. Bc7 b5 42. Ba5 Kd5 43. Kf2 Kc4 44. a3 Kd5 1-0

[Event "Basel Swiss YM"]
[Site "Basel"]
[Date "2025.04.22"]
[Round "5"]
[White "Manko, Mariya"]
[Black "Mattenberger, Matthias"]
[Result "1/2-1/2"]
[ECO "D77"]
[WhiteElo "2254"]
[BlackElo "2279"]
[PlyCount "100"]
[EventDate "2025.04.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[EventCategory "5"]
[SourceTitle "CB18_2025"]
[SourceDate "2025.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. Nf3 dxc4 6. 0-0 0-0 7. Na3 c3 8. bxc3 c5 9. Bb2 Nc6 10. Re1 Qb6 11. Nc4 Qb5 12. Qb3 Qa6 13. Nce5 Nd7 14. Nxc6 bxc6 15. Qa3 Rb8 16. e3 Qb6 17. Bc1 Re8 18. Nd2 Qc7 19. Nc4 Rb5 20. Bb2 e5 21. e4 Nb6 22. Nxb6 Qxb6 23. dxc5 Rxc5 24. Bf1 Bf8 25. Qb3 Be6 26. Qc2 Ra5 27. c4 Bc5 28. Bc3 Ra3 29. Bb2 Rf3 30. Re2 Bd4 31. Rb1 Rb8 32. Kg2 Ra3 33. c5 Qb4 34. Bxa3 Qxb1 35. Qxb1 Rxb1 36. Rd2 Ra1 37. f4 f6 38. Ba6 Bxa2 39. Bb2 Bxb2 40. Rxb2 Bb1 41. Bc4+ Kg7 42. Kf3 Ra4 43. Rxb1 Rxc4 44. Rb7+ Kh6 45. Rxa7 exf4 46. gxf4 Rxc5 47. Rf7 Rc3+ 48. Kg4 Re3 49. Rxf6 Rxe4 50. Rxc6 Ra4 1/2-1/2

[Event "Basel Swiss YM"]
[Site "Basel"]
[Date "2025.04.21"]
[Round "4"]
[White "Mattenberger, Matthias"]
[Black "Collin, Moritz Valentin"]
[Result "0-1"]
[ECO "E28"]
[WhiteElo "2279"]
[BlackElo "2303"]
[PlyCount "84"]
[EventDate "2025.04.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[EventCategory "5"]
[SourceTitle "CB18_2025"]
[SourceDate "2025.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 0-0 9. e4 Ne8 10. Ne2 Nc6 11. 0-0 Na5 12. f4 f5 13. exf5 exf5 14. dxc5 bxc5 15. Ng3 Nd6 16. Rb1 Qc7 17. Qh5 g6 18. Qg5 Rae8 19. Rb2 Naxc4 20. Re2 Rxe2 21. Bxe2 Bd5 22. Rd1 Be6 23. h4 Qd8 24. Bf3 Nf7 25. Qxd8 Rxd8 26. Nf1 Rb8 27. Be3 d6 28. Re1 Nd8 29. Bf2 Kf7 30. a4 h5 31. Rd1 Ke7 32. Re1 Rb3 33. Ne3 Nxe3 34. Rxe3 Ra3 35. Bd1 Ra1 36. Re1 Rc1 37. Bf3 Rxc3 38. Rb1 Rb3 39. Re1 Ra3 40. Rb1 Rxa4 41. Rb8 Ra1+ 42. Kh2 Kd7 0-1

[Event "Basel Swiss YM"]
[Site "Basel"]
[Date "2025.04.20"]
[Round "3"]
[White "Mattenberger, Matthias"]
[Black "Peyrer, Konstantin"]
[Result "0-1"]
[ECO "E60"]
[WhiteElo "2279"]
[BlackElo "2451"]
[PlyCount "74"]
[EventDate "2025.04.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[EventCategory "5"]
[SourceTitle "CB18_2025"]
[SourceDate "2025.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. h4 Bg7 4. Nc3 c5 5. d5 d6 6. e4 e6 7. Be2 exd5 8. exd5 Nbd7 9. Nf3 Ng4 10. h5 0-0 11. h6 Bh8 12. Bg5 f6 13. Bf4 Nde5 14. Nxe5 Nxf2 15. Nf7 Nxd1 16. Nxd8 Nxc3 17. bxc3 Rxd8 18. Kd2 f5 19. Rae1 Bf6 20. Bd1 Kf7 21. Rhf1 a6 22. a4 b5 23. axb5 axb5 24. cxb5 c4 25. Bh2 Ra5 26. b6 Bb7 27. g4 Rxd5+ 28. Kc2 Ra5 29. Be2 Be4+ 30. Kd2 Ra2+ 31. Ke3 Re8 32. Bxd6 Bd3+ 33. Kf4 g5+ 34. Kg3 f4+ 35. Kh3 Bxe2 36. Rf2 Re3+ 37. Kh2 Bf3 0-1

[Event "Basel Swiss YM"]
[Site "Basel"]
[Date "2025.04.19"]
[Round "2"]
[White "Schlegel, Igor"]
[Black "Mattenberger, Matthias"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "2290"]
[BlackElo "2279"]
[PlyCount "54"]
[EventDate "2025.04.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[EventCategory "5"]
[SourceTitle "CB18_2025"]
[SourceDate "2025.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 e5 7. Nf5 d5 8. cxd5 Nxe4 9. Nxg7+ Bxg7 10. Nxe4 Nd4 11. Nc3 0-0 12. Bd3 f5 13. Be3 f4 14. Bxd4 exd4 15. Qh5 h6 16. Ne4 Bf5 17. d6 Qa5+ 18. Kf1 Rae8 19. Re1 Re5 20. Qe2 f3 21. Qc2 fxg2+ 22. Kxg2 Kh8 23. a3 Qd5 24. f3 Bxe4 25. Bxe4 Rg5+ 26. Kf1 Rxf3+ 27. Ke2 d3+ 0-1

[Event "Basel Swiss YM"]
[Site "Basel"]
[Date "2025.04.18"]
[Round "1"]
[White "Mattenberger, Matthias"]
[Black "Hryzlova, Sofiia"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2279"]
[BlackElo "2276"]
[PlyCount "118"]
[EventDate "2025.04.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[EventCategory "5"]
[SourceTitle "CB18_2025"]
[SourceDate "2025.04.30"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 h6 7. Bh4 Bg4 8. Qc2 0-0 9. h3 Be6 10. Nf3 Ne8 11. Bg3 Bd6 12. Ne5 Nc6 13. a3 Ne7 14. Bd3 f6 15. Ng6 Nxg6 16. Bxd6 Nxd6 17. Bxg6 c6 18. Ne2 Qd7 19. Bh7+ Kh8 20. Nf4 Bf7 21. h4 Rfe8 22. Bd3 a5 23. 0-0 a4 24. h5 Ra5 25. Rfe1 Rea8 26. Rac1 Ne4 27. f3 Nd6 28. Qf2 b6 29. e4 dxe4 30. fxe4 Nb5 31. d5 cxd5 32. e5 fxe5 33. Rxe5 Nd6 34. Qxb6 Qa7 35. Qxa7 R5xa7 36. Rc6 Nc4 37. Re2 Rb7 38. Bg6 Rab8 39. Ra6 Kg8 40. Rxa4 Nxb2 41. Rd4 Nc4 42. Nxd5 Bxd5 43. Rxd5 Nxa3 44. Rde5 Rf8 45. Re8 Rb8 46. R8e7 Nb5 47. Rd2 Rbd8 48. Rb2 Nd6 49. Ra2 Nc8 50. Rc7 Rd1+ 51. Kh2 Re1 52. Ra8 Ne7 53. Raa7 Nf5 54. g4 Re2+ 55. Kg1 Rd8 56. Rd7 Rc8 57. Rac7 Ra8 58. Ra7 Rc8 59. Rdc7 Rd8 1/2-1/2

[Event "Titled Tuesday intern op 01st Apr Early"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "2"]
[White "Guliev, Gasan"]
[Black "Mattenberger, Matthias"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2123"]
[BlackElo "2338"]
[PlyCount "142"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. Bxf6 exf6 4. e3 c6 5. Bd3 g6 6. Ne2 Bd6 7. h4 h5 8. Nd2 Nd7 9. c4 dxc4 10. Nxc4 Bc7 11. Qc2 Kf8 12. 0-0-0 Nb6 13. Nxb6 axb6 14. Kb1 Be6 15. Bc4 Qe7 16. Bxe6 Qxe6 17. d5 Qe7 18. dxc6 bxc6 19. Qxc6 Ra7 20. Rd7 Qe5 21. Rc1 Qf5+ 22. e4 Qxf2 23. Qc4 Rh7 24. Nd4 Kg8 25. Rf1 Qd2 26. e5 Ra4 27. Qc2 Qxc2+ 28. Nxc2 Bxe5 29. Rd8+ Kg7 30. b3 Rxh4 31. Rfd1 Rh2 32. Rc8 Rh8 33. Rxh8 Kxh8 34. Ne3 f5 35. Nc4 Bf6 36. Rd6 Kg7 37. Rxb6 Rxg2 38. a4 h4 39. a5 Bd4 40. Rd6 h3 41. Rxd4 h2 42. Rh4 Rg1+ 43. Kb2 h1Q 44. Rxh1 Rxh1 45. a6 Rh8 46. Nb6 f4 47. a7 f3 48. Nd5 f2 49. Ne3 Ra8 50. b4 Rxa7 51. Kc3 Kf6 52. Ng4+ Kf5 53. Nxf2 Kf4 54. Nd3+ Ke3 55. Ne5 g5 56. b5 Ke4 57. Nc6 Rc7 58. Kd2 Kd5 59. Nb4+ Kc4 60. b6 Rb7 61. Nc6 Rxb6 62. Ne5+ Kd5 63. Nxf7 Rg6 64. Ke3 Ke6 65. Nd8+ Kd7 66. Nf7 Ke6 67. Nd8+ Ke7 68. Nb7 Rc6 69. Na5 Rc5 70. Nb3 Rc3+ 71. Ke4 Rxb3 0-1

[Event "Titled Tuesday intern op 01st Apr Early"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "9"]
[White "Klepikov, Nikita"]
[Black "Mattenberger, Matthias"]
[Result "0-1"]
[ECO "B86"]
[WhiteElo "2059"]
[BlackElo "2338"]
[PlyCount "46"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Nbd7 8. f4 Nc5 9. Be3 Be7 10. Qf3 Qc7 11. f5 Bd7 12. 0-0-0 0-0 13. g4 Rfc8 14. g5 Ne8 15. g6 hxg6 16. fxg6 fxg6 17. Rhg1 b5 18. Rxg6 b4 19. Rf1 Nxb3+ 20. axb3 Bf6 21. Rxg7+ Nxg7 22. Nce2 Bxd4 23. Bxd4 Qxc2# 0-1

[Event "Titled Tuesday intern op 01st Apr Early"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "1"]
[White "Mattenberger, Matthias"]
[Black "Bortnyk, Olexandr"]
[Result "0-1"]
[ECO "A50"]
[WhiteElo "2338"]
[BlackElo "2601"]
[PlyCount "70"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. d5 e5 5. Nf3 d6 6. e4 g6 7. Bd3 h5 8. 0-0 Bh6 9. Bxh6 Rxh6 10. b4 a5 11. a3 Kf8 12. Qd2 Kg7 13. c5 Ba6 14. c6 Bxd3 15. Qxd3 Na6 16. Rab1 h4 17. h3 Nh5 18. Ne2 Qf6 19. Nh2 Nf4 20. Nxf4 Qxf4 21. Ng4 Rh5 22. Qe3 f5 23. exf5 Rxf5 24. Rfe1 axb4 25. axb4 Raf8 26. Rb2 g5 27. Ra1 Nxb4 28. Ra4 Nxd5 29. Qb3 Qc1+ 30. Kh2 Qxc6 31. Rc2 Qd7 32. Qxd5 Qxa4 33. Rxc7+ R8f7 34. Nh6 Qf4+ 35. Kh1 Rxc7 0-1

[Event "Titled Tuesday intern op 01st Apr Early"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "4"]
[White "Mattenberger, Matthias"]
[Black "Goldin, Roman"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "2338"]
[BlackElo "2290"]
[PlyCount "124"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 Nc6 3. Nf3 d6 4. d5 Ne5 5. Nxe5 dxe5 6. Nc3 e6 7. e4 exd5 8. cxd5 Bd6 9. Be2 0-0 10. 0-0 Bd7 11. Bg5 h6 12. Bh4 Qe7 13. Rc1 a6 14. Bd3 b5 15. Nb1 g5 16. Bg3 Bc5 17. Rxc5 Qxc5 18. Bxe5 Qe7 19. Bxc7 Nxe4 20. d6 Qe5 21. Re1 f5 22. Nc3 Nxc3 23. Qb3+ Qd5 24. Qxc3 Rae8 25. Re7 Rf7 26. Bc2 Rfxe7 27. dxe7 Qc6 28. Bb3+ Kh7 29. Qxc6 Bxc6 30. Bd8 Kg7 31. Be6 Kf6 32. Bc8 a5 33. Ba6 Ke6 34. Bc8+ Bd7 35. Bb7 Kd6 36. Bf3 a4 37. Bh5 Rxe7 38. Bxe7+ Kxe7 39. Be2 Bc6 40. a3 Kd6 41. f3 Ke5 42. Kf2 Kd4 43. Ke1 f4 44. Kd2 h5 45. g3 fxg3 46. hxg3 h4 47. gxh4 gxh4 48. Bf1 Bxf3 49. Bh3 Bd5 50. Ke2 Kc4 51. Kd2 Kb3 52. Kc1 Kc4 53. Kd2 Kd4 54. Ke2 Ke5 55. Ke3 Be6 56. Bg2 h3 57. Bh1 Bd5 58. Bxd5 Kxd5 59. Kf3 Kc4 60. Kg3 Kb3 61. Kxh3 Kxb2 62. Kg3 Kxa3 0-1

[Event "Titled Tuesday intern op 01st Apr Early"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "8"]
[White "Mattenberger, Matthias"]
[Black "Jimenez Salas, Maria Teresa"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2338"]
[BlackElo "2071"]
[PlyCount "123"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Nc6 5. Nd2 Bf5 6. Ngf3 e6 7. Qb3 Qb6 8. Ne5 Be7 9. Nxc6 bxc6 10. dxc5 Bxc5 11. Be2 0-0 12. 0-0 Qxb3 13. Nxb3 Be7 14. Nd4 Rfc8 15. Ba6 Be4 16. f3 Bg6 17. Bb7 c5 18. Nb5 Bd3 19. Nc7 Rab8 20. Bxc8 Rxc8 21. Rfd1 Bg6 22. Nb5 a6 23. Na3 Nh5 24. Be5 f6 25. Bg3 Nxg3 26. hxg3 Rb8 27. Rd2 c4 28. Kf2 Bd3 29. Rc1 h6 30. b4 cxb3 31. Rxd3 Bxa3 32. Rb1 b2 33. c4 Be7 34. cxd5 exd5 35. Rb3 Rxb3 36. axb3 Ba3 37. Ke2 Kf7 38. Kd3 Ke6 39. Kc3 a5 40. Kd4 Kd6 41. Rd1 Bb4 42. Rb1 Ba3 43. Kc3 Kc5 44. Rd1 g6 45. Kc2 f5 46. g4 fxg4 47. fxg4 g5 48. Rh1 d4 49. exd4+ Kxd4 50. Rxh6 Ke4 51. Ra6 Kf4 52. Rxa5 Bb4 53. Ra4 Kg3 54. Rxb4 Kxg2 55. Rb5 Kg3 56. Rxg5 Kf4 57. Rg8 Ke5 58. Kxb2 Kd5 59. Rc8 Kd6 60. Rc3 Kd7 61. b4 Kd6 62. b5 1-0

[Event "Titled Tuesday intern op 01st Apr Early"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "11"]
[White "Mattenberger, Matthias"]
[Black "Maximov, Dmitry"]
[Result "1-0"]
[ECO "E75"]
[WhiteElo "2338"]
[BlackElo "2476"]
[PlyCount "79"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 c5 7. d5 h6 8. Be3 e6 9. Nf3 exd5 10. cxd5 Re8 11. Nd2 a6 12. a4 Nbd7 13. 0-0 b6 14. h3 Ra7 15. Qc2 g5 16. Nc4 Ne5 17. Nxe5 Rxe5 18. f4 gxf4 19. Bxf4 Re8 20. e5 dxe5 21. Bg3 e4 22. Bh4 Qd6 23. Kh1 Rae7 24. Bc4 Nh5 25. Ne2 f5 26. Rad1 Rf7 27. Qd2 f4 28. Nc3 f3 29. gxf3 exf3 30. Rde1 Rxe1 31. Rxe1 Bxh3 32. Re8+ Bf8 33. Ne4 Qg6 34. d6 Bg2+ 35. Kh2 Kh7 36. Bxf7 Qxf7 37. d7 f2 38. Bxf2 Bxe4 39. d8Q Nf4 40. Q8d7 1-0

[Event "Titled Tuesday intern op 01st Apr Early"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "7"]
[White "Mattenberger, Matthias"]
[Black "Munoz, Francisco Javier"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "2338"]
[BlackElo "2389"]
[PlyCount "88"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bf4 c6 6. e3 Bd6 7. Bd3 Bxf4 8. exf4 0-0 9. Nge2 Re8 10. 0-0 a5 11. Qc2 Na6 12. a3 Nc7 13. Ng3 Qd6 14. f5 b5 15. Qd2 Bd7 16. Nce2 a4 17. Qg5 h6 18. Qh4 Re7 19. Nf4 Nh7 20. Ngh5 Kh8 21. Rae1 Rxe1 22. Rxe1 Re8 23. Rxe8+ Bxe8 24. Qg4 Qf8 25. f6 g6 26. Qc8 Qd6 27. Bxg6 Nxf6 28. Bxf7 Nxh5 29. Nxh5 Qe7 30. g4 Qxf7 31. h3 Ne6 32. Nf6 Qxf6 33. Qxe8+ Nf8 34. Kg2 Kg7 35. Qc8 Qe6 36. Qc7+ Kg8 37. f3 Ng6 38. Kg3 Ne7 39. h4 Kf7 40. h5 Qf6 41. Qb8 Qxd4 42. Qd6 Qf6 43. Qd8 d4 44. Kf2 Qe6 0-1

[Event "Titled Tuesday intern op 01st Apr Early"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "10"]
[White "Mattenberger, Matthias"]
[Black "Sathvik, Adiga"]
[Result "1-0"]
[ECO "D44"]
[WhiteElo "2338"]
[BlackElo "2390"]
[PlyCount "65"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. g3 Bb7 12. Bg2 Qb6 13. exf6 c5 14. dxc5 Bxc5 15. 0-0 0-0-0 16. Qe2 Bd4 17. a4 Bxg2 18. Kxg2 Qb7+ 19. f3 Bxc3 20. bxc3 Nc5 21. axb5 Rd3 22. Be3 Qd5 23. Rxa7 Nb3 24. b6 Qe5 25. b7+ Kb8 26. Bf4 Qxf4 27. gxf4 Kxa7 28. Qe4 Nd2 29. Ra1+ Kb6 30. Qe5 Kxb7 31. Qb5+ Kc7 32. Ra7+ Kd6 33. Rd7# 1-0

[Event "Titled Tuesday intern op 01st Apr Early"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "5"]
[White "Salimova, Asal"]
[Black "Mattenberger, Matthias"]
[Result "0-1"]
[ECO "A62"]
[WhiteElo "2050"]
[BlackElo "2338"]
[PlyCount "60"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 c5 6. d5 e6 7. 0-0 exd5 8. cxd5 d6 9. Nc3 Re8 10. Bg5 Nbd7 11. a4 h6 12. Bd2 Nb6 13. Qb3 c4 14. Qb4 a5 15. Qa3 Nfxd5 16. Nxd5 Nxd5 17. Rac1 Nb6 18. Be3 Be6 19. Rfd1 d5 20. Nd4 Ra6 21. Nb5 Bf8 22. Qa1 Qd7 23. Rd2 Kh7 24. Rcd1 Bb4 25. Nc3 Bxc3 26. bxc3 Qxa4 27. Bxb6 Qxa1 28. Rxa1 Rxb6 29. Rxa5 Rb1+ 30. Bf1 Bh3 0-1

[Event "Titled Tuesday intern op 01st Apr Early"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "3"]
[White "Svane, Frederik"]
[Black "Mattenberger, Matthias"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "2654"]
[BlackElo "2338"]
[PlyCount "79"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Be2 e6 7. 0-0 Nc6 8. Be3 cxd4 9. cxd4 Be7 10. Nc3 Qd6 11. Qd2 0-0 12. Bf4 Qd8 13. Rfd1 Nd5 14. Bg3 b6 15. Rac1 Bb7 16. Nxd5 Qxd5 17. Bc4 Qh5 18. d5 exd5 19. Qxd5 Qh6 20. Qd7 Ra7 21. Bd5 Rd8 22. Qf5 Qg6 23. Qxg6 hxg6 24. Bc7 Rc8 25. Bxb6 Raa8 26. Ne5 Nxe5 27. Bxb7 Rxc1 28. Rxc1 Rb8 29. Rc8+ Rxc8 30. Bxc8 Nc4 31. Bd4 a5 32. Ba6 Nd6 33. Bb6 a4 34. Bc5 Kf8 35. Bd3 Nb7 36. Bxe7+ Kxe7 37. Kf1 Kd6 38. Ke2 Kd5 39. Ke3 Nd6 40. f4 1-0

[Event "Titled Tuesday intern op 01st Apr Early"]
[Site "Chess.com INT"]
[Date "2025.04.01"]
[Round "6"]
[White "Yonal, Timur"]
[Black "Mattenberger, Matthias"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "2224"]
[BlackElo "2338"]
[PlyCount "82"]
[EventDate "2025.04.01"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB15_2025"]
[SourceDate "2025.04.09"]
[SourceVersion "1"]
[SourceVersionDate "2025.04.09"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. g3 b5 4. Bg2 Bb7 5. Qe2 Nc6 6. 0-0 e6 7. Rd1 Nge7 8. c3 c4 9. a4 Ng6 10. Na3 Nge5 11. d4 cxd3 12. Qe1 b4 13. Nxe5 bxa3 14. Nxc6 Bxc6 15. b3 Rb8 16. Bxa3 Rxb3 17. Bxf8 Kxf8 18. Rxd3 Qb6 19. a5 Qb5 20. Bf1 Qe5 21. f4 Qc5+ 22. Qe3 Qxe3+ 23. Rxe3 Bb5 24. c4 Rxe3 25. cxb5 axb5 26. a6 Ke7 27. a7 Ra8 28. e5 b4 29. Ra4 Ra3 30. Rxb4 R8xa7 31. Kf2 Ra2+ 32. Be2 Rc7 33. Re4 Rcc2 34. Re3 f6 35. Kf3 fxe5 36. fxe5 Ra5 37. h4 Rcc5 38. Kf4 Ra4+ 39. Kf3 Rca5 40. Bd3 h6 41. Bg6 Ra3 0-1

[Event "Plzen GM 13th"]
[Site "Plzen"]
[Date "2025.03.22"]
[Round "9"]
[White "Mattenberger, Matthias"]
[Black "Zhao, Yuanhe"]
[Result "0-1"]
[ECO "E10"]
[WhiteElo "2338"]
[BlackElo "2466"]
[PlyCount "118"]
[EventDate "2025.03.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[EventCategory "6"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 Nc6 3. Nf3 e6 4. a3 d6 5. Nc3 g6 6. e4 Bg7 7. h3 0-0 8. Be3 Re8 9. Be2 e5 10. d5 Nd4 11. Nxd4 exd4 12. Bxd4 Nxe4 13. Bxg7 Kxg7 14. Qd4+ Qf6 15. Qxf6+ Kxf6 16. Nxe4+ Rxe4 17. Kd2 Bf5 18. f3 Re7 19. g4 Rae8 20. Rh2 Bd7 21. f4 Re3 22. h4 Rb3 23. Rb1 Rg3 24. g5+ Kg7 25. Rf1 Re4 26. Rhf2 Bh3 27. Rh1 Bf5 28. Kc1 a5 29. Rd1 Bg4 30. Bxg4 Rxg4 31. Rdf1 Rxh4 32. f5 gxf5 33. Rxf5 Re7 34. Kd2 Rxc4 35. Kd3 Rce4 36. R1f2 Re3+ 37. Kc4 c6 38. dxc6 bxc6 39. Rd2 R7e4+ 40. Rd4 d5+ 41. Kc5 Rxd4 42. Kxd4 Re4+ 43. Kc5 Rc4+ 44. Kd6 a4 45. Ke7 Re4+ 46. Kd7 Rc4 47. Rf6 Rc2 48. Ke7 d4 49. Rxf7+ Kg6 50. Rf1 c5 51. Kd6 d3 52. Kd5 d2 53. Rd1 Kxg5 54. Ke4 Rxb2 55. Kd3 Kf4 56. Ra1 Kf3 57. Rf1+ Kg2 58. Ra1 Kf2 59. Rh1 Ra2 0-1

[Event "Plzen GM 13th"]
[Site "Plzen"]
[Date "2025.03.21"]
[Round "8"]
[White "Pacher, Milan"]
[Black "Mattenberger, Matthias"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "2336"]
[BlackElo "2338"]
[PlyCount "83"]
[EventDate "2025.03.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[EventCategory "6"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nxc3 6. bxc3 Nc6 7. d3 Bc5 8. Bxc6+ bxc6 9. Qa4 Bd7 10. Nf3 Qe7 11. 0-0 0-0 12. Bg5 f6 13. Be3 Bxe3 14. fxe3 Qc5 15. Kf2 Qd6 16. d4 Kh8 17. Qa5 Rfe8 18. dxe5 fxe5 19. Rad1 Qe7 20. Qxc7 Bh3 21. Qxe7 Rxe7 22. Rfe1 e4 23. Ng5 Bf5 24. Kg2 h6 25. Rf1 Bg4 26. Rf7 Ree8 27. Rf4 Bxe2 28. Nf7+ Kg8 29. Rd7 Bf3+ 30. Kh3 Re6 31. g4 a5 32. g5 hxg5 33. Nxg5 Rg6 34. Rf5 Rf8 35. Rxa5 Be2 36. a4 Rf3+ 37. Kg2 Bf1+ 38. Kg1 Rf8 39. h4 Rh6 40. Raa7 Rxh4 41. Rxg7+ Kh8 42. Rgf7 1-0

[Event "Plzen GM 13th"]
[Site "Plzen"]
[Date "2025.03.20"]
[Round "7"]
[White "Mattenberger, Matthias"]
[Black "Song, Yuxin"]
[Result "0-1"]
[ECO "E28"]
[WhiteElo "2338"]
[BlackElo "2367"]
[PlyCount "84"]
[EventDate "2025.03.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[EventCategory "6"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 0-0 10. e4 Ne8 11. 0-0 Ba6 12. Be3 Nd6 13. dxc5 Nxc4 14. Bxc4 Bxc4 15. Rf2 Qe7 16. Qd6 Qxd6 17. cxd6 Bxe2 18. Rxe2 Rac8 19. f4 Na5 20. Bd4 Rc4 21. Rb2 Nc6 22. Rd2 f6 23. e5 fxe5 24. fxe5 Ra4 25. h3 h5 26. Kh2 Kh7 27. Re2 g5 28. g3 Kg6 29. Rd2 g4 30. hxg4 hxg4 31. Re2 Rf3 32. Raa2 Kf5 33. Ra1 Nxd4 34. cxd4 Rxd4 35. Rc1 Re4 36. Rxe4 Kxe4 37. Rc7 Rxa3 38. Rxd7 Kxe5 39. Rd8 Rd3 40. d7 a5 41. Rb8 Rxd7 42. Rxb6 Ra7 0-1

[Event "Plzen GM 13th"]
[Site "Plzen"]
[Date "2025.03.19"]
[Round "6"]
[White "Neuman, Petr"]
[Black "Mattenberger, Matthias"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2421"]
[BlackElo "2338"]
[PlyCount "131"]
[EventDate "2025.03.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[EventCategory "6"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Bd7 5. e5 Ng4 6. exd6 exd6 7. d4 Be7 8. 0-0 0-0 9. Na3 Nf6 10. dxc5 dxc5 11. Ne5 Be6 12. Bf3 Qc8 13. Bf4 Rd8 14. Qe2 Bd5 15. Rad1 Bxf3 16. Qxf3 Nbd7 17. Nxd7 Rxd7 18. Rxd7 Qxd7 19. Rd1 Qg4 20. Qxg4 Nxg4 21. Rd7 Rd8 22. Rxd8+ Bxd8 23. Bd6 b6 24. Nb5 a6 25. Na7 Nf6 26. Nc6 Ne4 27. Bf4 g5 28. Bb8 Bf6 29. Ba7 Nd6 30. Bxb6 Nc4 31. Bxc5 Nxb2 32. Bd4 Kg7 33. Kf1 Na4 34. Ne5 Nb2 35. Ke2 Bxe5 36. Bxe5+ Kg6 37. g4 f5 38. f3 f4 39. Bd4 h5 40. h3 hxg4 41. hxg4 Kf7 42. Kd2 Ke6 43. Kc2 Nc4 44. Kd3 Nb2+ 45. Kc2 Nc4 46. Bg7 Kf7 47. Bh8 Ke6 48. Kd3 Nd6 49. c4 Nf7 50. Bg7 Nd8 51. Ke4 Kf7 52. Bc3 Ke6 53. Kd4 Nb7 54. Bb4 Nd8 55. Kc5 Nf7 56. Bc3 Nd6 57. a4 Nc8 58. Ba5 Kd7 59. Bb4 Kc7 60. Kd4 Kd7 61. Bc5 a5 62. Kd5 Kc7 63. Bd4 Kd7 64. Kc5 Ke6 65. Bc3 Nd6 66. Bxa5 1-0

[Event "Plzen GM 13th"]
[Site "Plzen"]
[Date "2025.03.18"]
[Round "4"]
[White "Mattenberger, Matthias"]
[Black "Kuegel, Tobias"]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2338"]
[BlackElo "2409"]
[PlyCount "71"]
[EventDate "2025.03.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[EventCategory "6"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. d4 d6 2. c4 e5 3. d5 f5 4. e4 fxe4 5. Ne2 Nf6 6. Ng3 Be7 7. Nc3 0-0 8. a3 a5 9. Be2 Na6 10. b4 Bd7 11. Rb1 axb4 12. axb4 c5 13. dxc6 bxc6 14. 0-0 Be6 15. Bg5 d5 16. b5 Nc5 17. Bxf6 gxf6 18. bxc6 d4 19. Ncxe4 Nxe4 20. Nxe4 f5 21. Ng3 Ra6 22. f3 Rxc6 23. Bd3 Bg5 24. Qe2 Be3+ 25. Kh1 Qh4 26. Rfd1 Bc8 27. Nf1 Rh6 28. g3 Qh3 29. Nxe3 dxe3 30. Rb2 f4 31. gxf4 exf4 32. Rg1+ Kh8 33. Rb5 Rhf6 34. Be4 Qh4 35. Qg2 Qh6 36. Rh5 1-0

[Event "Plzen GM 13th"]
[Site "Plzen"]
[Date "2025.03.18"]
[Round "5"]
[White "Otsuka, Shou"]
[Black "Mattenberger, Matthias"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2323"]
[BlackElo "2338"]
[PlyCount "83"]
[EventDate "2025.03.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[EventCategory "6"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c4 e5 5. Nc3 Ne7 6. d3 a6 7. Ba4 Nc6 8. Bxc6 bxc6 9. 0-0 Be7 10. Ne1 0-0 11. f4 exf4 12. Bxf4 f5 13. exf5 Rxf5 14. Nc2 Nf8 15. Bg3 Ng6 16. Qe2 Qd7 17. d4 cxd4 18. Nxd4 Rxf1+ 19. Rxf1 Bb7 20. Nf5 Bf8 21. Ne4 d5 22. Nh6+ Kh8 23. Nf7+ Kg8 24. Nh6+ Kh8 25. Nf7+ Kg8 26. Neg5 h6 27. Qd3 hxg5 28. Qxg6 Bc5+ 29. Kh1 Rf8 30. Nh6+ Kh8 31. Nf7+ Kg8 32. Nh6+ Kh8 33. Rxf8+ Bxf8 34. Nf7+ Kg8 35. Nh6+ Kh8 36. Nf7+ Kg8 37. Nxg5 Bc5 38. Qh7+ Kf8 39. Qh8+ Ke7 40. Qxg7+ Ke8 41. Qg6+ Kd8 42. Ne6+ 1-0

[Event "Plzen GM 13th"]
[Site "Plzen"]
[Date "2025.03.17"]
[Round "3"]
[White "Petr, Martin"]
[Black "Mattenberger, Matthias"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2474"]
[BlackElo "2338"]
[PlyCount "87"]
[EventDate "2025.03.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[EventCategory "6"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 e6 6. Bd3 Nc6 7. 0-0 Be7 8. dxc5 Qxc5 9. Nbd2 0-0 10. Qe2 Rd8 11. Ne4 Nxe4 12. Qxe4 g6 13. Be3 Qf5 14. Qxf5 gxf5 15. Bc4 b6 16. Rfd1 Bb7 17. Kf1 Kg7 18. g3 Rac8 19. Be2 e5 20. Rxd8 Rxd8 21. Rd1 Ba6 22. Rxd8 Bxe2+ 23. Kxe2 Bxd8 24. a4 h5 25. b4 Bc7 26. Nd2 Kf6 27. f4 e4 28. Nb3 a6 29. b5 axb5 30. axb5 Nb8 31. Nd2 Nd7 32. Nc4 Ke6 33. Bd4 Bd8 34. Kd2 Kd5 35. Ne3+ Ke6 36. c4 h4 37. gxh4 Bxh4 38. Nd5 Bd8 39. Bf2 Nc5 40. Bxc5 bxc5 41. b6 Kd6 42. b7 Bc7 43. Nxc7 Kxc7 44. h4 1-0

[Event "Plzen GM 13th"]
[Site "Plzen"]
[Date "2025.03.16"]
[Round "2"]
[White "Mattenberger, Matthias"]
[Black "Vivaan, Vishal Shah"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2338"]
[BlackElo "2429"]
[PlyCount "59"]
[EventDate "2025.03.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[EventCategory "6"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. e4 b5 6. Be2 e6 7. 0-0 Bb7 8. b3 b4 9. e5 bxc3 10. exf6 gxf6 11. bxc4 c5 12. d5 Nd7 13. Re1 Bg7 14. Rb1 Rb8 15. Bf4 Ne5 16. Nxe5 fxe5 17. Be3 exd5 18. Bxc5 Qc7 19. Qa4+ Qd7 20. Qxa7 Qc7 21. Bg4 f5 22. Bb6 Qc8 23. Bxf5 Qxf5 24. Qxb8+ Bc8 25. cxd5 0-0 26. Bc5 Rf6 27. Rxe5 Qd7 28. Rbe1 c2 29. Re8+ Kf7 30. R8e7+ 1-0

[Event "Plzen GM 13th"]
[Site "Plzen"]
[Date "2025.03.15"]
[Round "1"]
[White "Krishna, C Revanth Gopala"]
[Black "Mattenberger, Matthias"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "2418"]
[BlackElo "2338"]
[PlyCount "100"]
[EventDate "2025.03.15"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CZE"]
[EventCategory "6"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. e3 0-0 5. Be2 c5 6. 0-0 cxd4 7. exd4 d5 8. Nc3 Nc6 9. Re1 dxc4 10. Bxc4 Na5 11. Bf1 Be6 12. Bg5 Rc8 13. Rc1 a6 14. b3 Qd6 15. Qd2 Qb4 16. d5 Rcd8 17. Na4 Qxd2 18. Bxd2 Rxd5 19. Nb6 Rh5 20. h3 Rd8 21. Rxe6 fxe6 22. g4 Ne4 23. Be1 Ng5 24. Nh2 Nxh3+ 25. Bxh3 Rxh3 26. Bxa5 Bd4 27. Kg2 Rd3 28. Nf3 Bxf2 29. Nc4 b6 30. Nce5 Rd1 31. Rxd1 Rxd1 32. Kxf2 bxa5 33. a4 Kg7 34. g5 h6 35. gxh6+ Kxh6 36. Ke2 Rd5 37. Nc6 Rc5 38. Nfe5 Kg5 39. Nf3+ Kf6 40. Nb8 Rc3 41. Nd2 Ke5 42. Nxa6 Kf4 43. Nc4 Rxb3 44. Nxa5 Rb2+ 45. Kd3 g5 46. Nc4 Ra2 47. Nc5 e5 48. Kc3 g4 49. Nd3+ Ke4 50. Nd2+ Kf5 0-1

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "5"]
[White "Garifulin, Yury"]
[Black "Mattenberger, Matthias"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2225"]
[BlackElo "2338"]
[PlyCount "53"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Nb3 e6 7. g4 Be7 8. g5 Nfd7 9. h4 b5 10. Bg2 Bb7 11. a3 Nb6 12. Na5 Ra7 13. Nxb7 Rxb7 14. f4 N8d7 15. f5 Rc7 16. fxe6 fxe6 17. Qg4 Rxc3 18. bxc3 Nc5 19. Be3 Nc4 20. Bxc5 dxc5 21. Rd1 Qa5 22. 0-0 Ne3 23. Qxe6 Nxf1 24. Qd7+ Kf7 25. Rxf1+ Kg6 26. Qf5+ Kh5 27. Bf3+ 1-0

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "1"]
[White "Gubatayev, Ahmet"]
[Black "Mattenberger, Matthias"]
[Result "0-1"]
[ECO "D77"]
[WhiteElo "2160"]
[BlackElo "2338"]
[PlyCount "58"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. 0-0 0-0 6. c4 dxc4 7. Qc2 a6 8. a4 Nc6 9. Qxc4 Be6 10. Qd3 Bf5 11. Qd1 Nb4 12. Na3 Be4 13. Bd2 a5 14. Rc1 c6 15. Bxb4 axb4 16. Nc4 Bd5 17. Ne3 Be6 18. Ng5 Bd7 19. b3 h6 20. Nf3 Be6 21. Nc4 Nd5 22. Qd2 Nc3 23. Rfe1 Bxc4 24. bxc4 Rxa4 25. Qb2 Bxd4 26. Nxd4 Qxd4 27. Qb3 Rfa8 28. e3 Qd3 29. Bf1 Ne2+ 0-1

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "10"]
[White "Kocharin, Timur"]
[Black "Mattenberger, Matthias"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2266"]
[BlackElo "2338"]
[PlyCount "119"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Bb5+ Nc6 9. 0-0 0-0 10. Bxc6 bxc6 11. Qc2 cxd4 12. cxd4 Bg4 13. Ne5 Bxe5 14. dxe5 Rc8 15. h3 Be6 16. Be3 c5 17. f4 f5 18. exf6 exf6 19. Bxc5 Qd4+ 20. Bxd4 Rxc2 21. Rfc1 Rfc8 22. Rxc2 Rxc2 23. Bxf6 Rxa2 24. Rxa2 Bxa2 25. Kf2 Bb1 26. Kf3 a5 27. g4 a4 28. Bb2 Kf7 29. f5 Bd3 30. Kf4 h6 31. h4 h5 32. g5 Bc4 33. Ke5 Bb3 34. Kd6 Bc4 35. fxg6+ Kxg6 36. Ke7 Bb3 37. e5 Bc4 38. Kd6 Kf5 39. Ba3 Bb3 40. Bc1 Bc4 41. Bb2 Bb3 42. Ke7 Bc4 43. Kf8 Kg6 44. Ke8 Bb3 45. Ke7 Kf5 46. Bc1 Bc4 47. e6 Bxe6 48. g6 Bb3 49. Kd6 Kxg6 50. Ke5 Bd1 51. Kf4 Kf6 52. Bb2+ Ke6 53. Ke3 Kd5 54. Kd2 Bb3 55. Bg7 a3 56. Kc1 a2 57. Kb2 Bc4 58. Ka1 Ke4 59. Bf6 Kf5 60. Bd8 1/2-1/2

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "4"]
[White "Mattenberger, Matthias"]
[Black "Bielinski, Dariusz"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2338"]
[BlackElo "2146"]
[PlyCount "115"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. d4 e6 2. c4 Bb4+ 3. Nc3 Bxc3+ 4. bxc3 f5 5. e4 fxe4 6. f3 b6 7. fxe4 Qh4+ 8. Kd2 Qxe4 9. Nf3 Nf6 10. Bd3 Qg4 11. Qe2 Bb7 12. Ba3 Nc6 13. d5 Na5 14. dxe6 Qxe6 15. Rae1 0-0-0 16. Qxe6 dxe6 17. Kc2 Rxd3 18. Kxd3 Rd8+ 19. Kc2 Be4+ 20. Rxe4 Nxe4 21. Re1 Nf6 22. c5 Nc4 23. Bc1 Re8 24. cxb6 axb6 25. Nd4 e5 26. Nf5 g6 27. Ng3 Nd6 28. Bg5 Nd5 29. Ne4 Nxe4 30. Rxe4 Kd7 31. Rh4 h5 32. g4 hxg4 33. Rxg4 Re6 34. Kd3 Kc6 35. Bd2 b5 36. c4 bxc4+ 37. Rxc4+ Kd6 38. a4 Nb6 39. Rb4 e4+ 40. Ke2 Kd5 41. a5 Nc4 42. Bc3 e3 43. Rb5+ Kc6 44. Rg5 Nd6 45. Rg3 Nb5 46. Be1 Kd5 47. Rxe3 Rxe3+ 48. Kxe3 c5 49. Kd3 c4+ 50. Kc2 Kd4 51. Bf2+ Ke4 52. a6 Kf3 53. a7 Nxa7 54. Bxa7 Kg2 55. Bb8 g5 56. Bg3 g4 57. Kc3 Kf3 58. Kxc4 1-0

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "9"]
[White "Mattenberger, Matthias"]
[Black "Fikiet, Alex M"]
[Result "0-1"]
[ECO "E10"]
[WhiteElo "2338"]
[BlackElo "2151"]
[PlyCount "80"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 Nc6 3. Nf3 e6 4. a3 d6 5. Nc3 g6 6. e4 Bg7 7. Be2 0-0 8. 0-0 Re8 9. Re1 e5 10. d5 Nd4 11. Be3 c5 12. dxc6 Nxe2+ 13. Qxe2 bxc6 14. h3 a5 15. Red1 Qc7 16. b4 Nh5 17. b5 Nf4 18. Qd2 d5 19. cxd5 cxd5 20. Nxd5 Nxd5 21. Qxd5 Bb7 22. Qd7 Qxd7 23. Rxd7 Bxe4 24. Nd2 Bf5 25. Rc7 e4 26. Rb1 Rec8 27. Rxc8+ Bxc8 28. Nc4 Bb7 29. Nd6 Bd5 30. Rd1 Bb3 31. Rb1 a4 32. Rc1 Bf8 33. Bf4 Rd8 34. Rc6 Bd5 35. Ra6 Bb3 36. Nxe4 Bxa3 37. Nf6+ Kg7 38. Be5 Rd1+ 39. Kh2 Kh6 40. Ng4+ Kg5 0-1

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "7"]
[White "Mattenberger, Matthias"]
[Black "Garcia Molina, Jose"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2338"]
[BlackElo "2200"]
[PlyCount "60"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 d6 6. h4 h5 7. e4 e5 8. f4 exf4 9. Bxf4 Qe7 10. Bd3 Nd7 11. Nf3 Kd8 12. 0-0 f6 13. Bg3 Nh6 14. Qd2 Ng4 15. e5 fxe5 16. Ng5 Ndf6 17. Bxg6 Rf8 18. Bf5 b6 19. Bxc8 Kxc8 20. Ne6 Rf7 21. a4 a5 22. Rab1 Kb7 23. Rxb6+ Kxb6 24. Rb1+ Ka7 25. Rb5 Rb8 26. Rxa5+ Kb7 27. Bf2 Ne4 28. Rb5+ Kc8 29. Rxb8+ Kxb8 30. Qb2+ Qb7 0-1

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "11"]
[White "Mattenberger, Matthias"]
[Black "Lau, Lut Yin Luke"]
[Result "1/2-1/2"]
[ECO "A42"]
[WhiteElo "2338"]
[BlackElo "2240"]
[PlyCount "206"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nd7 5. Nf3 c6 6. Be2 e5 7. 0-0 Ne7 8. Re1 0-0 9. Bf1 Qc7 10. Rb1 a5 11. h3 Re8 12. Be3 Nf8 13. Qc2 Ne6 14. Rbd1 Bd7 15. g3 Rad8 16. d5 Nf8 17. Bg2 Nc8 18. dxc6 bxc6 19. c5 dxc5 20. Bxc5 Qb7 21. Na4 Ne6 22. b3 Na7 23. Nd2 Nb5 24. Nc4 Ned4 25. Qc1 Be6 26. Nxa5 Qa8 27. Nc4 Bxc4 28. Qxc4 Nd6 29. Qc1 Re6 30. Kh2 Rde8 31. Rd2 N6b5 32. Nb6 Qb7 33. Rd3 h5 34. a4 Nd6 35. h4 Nc8 36. Nxc8 Rxc8 37. Qc4 Ree8 38. b4 Ra8 39. a5 Reb8 40. Ree3 Qb5 41. Qc1 Bf8 42. Bxd4 exd4 43. Rxd4 Bxb4 44. Rd7 Rd8 45. Red3 Rxd7 46. Rxd7 c5 47. Rc7 Qxa5 48. e5 Qxc7 49. Bxa8 Qxe5 50. Kg2 Qd4 51. Bf3 c4 52. Be2 c3 53. Qc2 Bc5 54. Bd3 Kg7 55. Kf1 Qf6 56. Kg2 Bd4 57. Be4 Qb6 58. Bf3 Qb2 59. Be4 f5 60. Bd3 Kf6 61. Kf3 Ke5 62. Qxb2 cxb2 63. Ke2 Bc3 64. Bb1 Kd4 65. Bc2 Bb4 66. Bb1 Kc3 67. Ke3 Bc5+ 68. Ke2 Bd4 69. f3 Be5 70. g4 Bg3 71. gxf5 gxf5 72. Bxf5 Bxh4 73. Bb1 Bf6 74. Kf2 Kd2 75. Kg2 Ke3 76. Bg6 h4 77. Be4 Be5 78. Kh1 Kf4 79. Bb1 Kg3 80. Be4 Bf4 81. Bb1 Kxf3 82. Bh7 Ke2 83. Bb1 Bg3 84. Bh7 Ke3 85. Bb1 Kd2 86. Bh7 Kc3 87. Bg6 h3 88. Bf5 Kd4 89. Bg6 Ke3 90. Bh7 Kf2 91. Bg6 Ke1 92. Bf5 Kd1 93. Bg6 Kc1 94. Bf5 b1Q 95. Bxb1 Kxb1 96. Kg1 Kc2 97. Kh1 Kd2 98. Kg1 Ke3 99. Kh1 Kf3 100. Kg1 Be5 101. Kh1 Kg4 102. Kg1 Kg3 103. Kh1 Bd4 1/2-1/2

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "2"]
[White "Mattenberger, Matthias"]
[Black "Zhigalko, Sergei"]
[Result "0-1"]
[ECO "E46"]
[WhiteElo "2338"]
[BlackElo "2572"]
[PlyCount "110"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd2 d6 6. Nf3 Nbd7 7. Bd3 e5 8. Qc2 Re8 9. dxe5 dxe5 10. Ng5 h6 11. Nge4 Nxe4 12. Nxe4 Bxd2+ 13. Qxd2 Nf6 14. Nxf6+ Qxf6 15. Be4 Qh4 16. Qc2 c6 17. 0-0-0 Be6 18. g3 Qf6 19. Rd6 Rad8 20. Rhd1 Rxd6 21. Rxd6 Qe7 22. c5 Rd8 23. Rxd8+ Qxd8 24. b3 Qa5 25. Kb2 Kf8 26. Qd3 Qc7 27. f4 exf4 28. exf4 Ke7 29. Qd4 f6 30. f5 Bf7 31. Bd3 Qe5 32. Qxe5+ fxe5 33. Kc3 Kf6 34. a4 Bd5 35. b4 e4 36. Be2 Kxf5 37. Kd4 Kf6 38. b5 Ke6 39. b6 axb6 40. cxb6 Kd6 41. a5 c5+ 42. Ke3 Ke5 43. Bb5 Kd6 44. Kf4 c4 45. Ke3 Kc5 46. Bd7 Kb4 47. a6 bxa6 48. Bc8 a5 49. b7 Bxb7 50. Bxb7 a4 51. Bxe4 Kc3 52. Bb1 Kb2 53. Be4 a3 54. Bd5 a2 55. Bxc4 a1Q 0-1

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "8"]
[White "Shevchenko, Yaroslav"]
[Black "Mattenberger, Matthias"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2092"]
[BlackElo "2338"]
[PlyCount "62"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. 0-0 a6 5. Bxd7+ Bxd7 6. c3 Nf6 7. Re1 e6 8. d4 Be7 9. dxc5 dxc5 10. e5 Nd5 11. c4 Nb6 12. b3 Bc6 13. Qe2 Qc7 14. Bf4 Nd7 15. Nc3 0-0 16. Rad1 Rad8 17. Ne4 Bxe4 18. Qxe4 Nb8 19. Bg5 Nc6 20. h4 h6 21. Bxe7 Qxe7 22. h5 Rxd1 23. Rxd1 Rd8 24. Rd3 Rxd3 25. Qxd3 Qc7 26. Qe3 Qa5 27. a4 Qb4 28. Qd3 Nxe5 29. Qd8+ Kh7 30. Nd2 Qc3 31. Ne4 Qe1+ 0-1

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "6"]
[White "Toth, Christian Endre"]
[Black "Mattenberger, Matthias"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2354"]
[BlackElo "2338"]
[PlyCount "72"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. Ba4 a6 5. c3 Ngf6 6. Bc2 e6 7. 0-0 b5 8. d4 Be7 9. Re1 Bb7 10. Nbd2 0-0 11. Nf1 Qb6 12. Ng3 Rfc8 13. h3 b4 14. Be3 a5 15. Qd2 Bf8 16. Rad1 Qc7 17. Bb1 Nb6 18. b3 bxc3 19. Qxc3 cxd4 20. Qxc7 Rxc7 21. Nxd4 Nbd7 22. Nb5 Rc6 23. Bf4 Rb6 24. Nxd6 e5 25. Nxb7 exf4 26. Nf5 Rxb7 27. e5 Ne8 28. Be4 Rab8 29. Bxb7 Rxb7 30. Nd6 Nxd6 31. exd6 g6 32. Rd5 Ra7 33. Re4 Kg7 34. Rxf4 Ra6 35. Ra4 Kf6 36. Raxa5 Rc6 0-1

[Event "Titled Tuesday intern op 04th Mar Early"]
[Site "Chess.com INT"]
[Date "2025.03.04"]
[Round "3"]
[White "Yonal, Timur"]
[Black "Mattenberger, Matthias"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2224"]
[BlackElo "2338"]
[PlyCount "97"]
[EventDate "2025.03.04"]
[EventType "swiss (blitz)"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "CB11_2025"]
[SourceDate "2025.03.12"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a3 e5 7. Nf5 d5 8. Bg5 d4 9. Bxf6 Qxf6 10. Nd5 Qd8 11. c4 g6 12. Ng3 Nc6 13. Bd3 Bg7 14. 0-0 0-0 15. b4 f5 16. f3 Be6 17. Qd2 Rc8 18. Rac1 Qh4 19. a4 Bh6 20. Qb2 Bxc1 21. Rxc1 f4 22. Nf1 Qd8 23. b5 axb5 24. axb5 Na5 25. Nd2 Bxd5 26. exd5 b6 27. Re1 Qc7 28. Qb1 Kg7 29. Kf2 Nb7 30. Ne4 Nc5 31. Nxc5 bxc5 32. Re2 Rfe8 33. b6 Qd6 34. Rb2 Rb8 35. Bc2 Rb7 36. Ba4 Reb8 37. Bc6 Re7 38. Qe4 Reb7 39. Bxb7 Rxb7 40. Qb1 Kf6 41. Ke2 e4 42. Qxe4 Re7 43. b7 Rxe4+ 44. fxe4 Qb8 45. Kd3 Ke5 46. Rb6 f3 47. g3 Qe8 48. b8Q+ Qxb8 49. Re6# 1-0

[Event "Rilton Cup 52nd"]
[Site "Stockholm"]
[Date "2025.01.05"]
[Round "9"]
[White "Mattenberger, Matthias"]
[Black "Johansson, Linus"]
[Result "1-0"]
[ECO "E49"]
[WhiteElo "2267"]
[BlackElo "2412"]
[PlyCount "75"]
[EventDate "2024.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. a3 Bxc3+ 6. bxc3 0-0 7. cxd5 exd5 8. Bd3 b6 9. Ne2 c5 10. 0-0 Ba6 11. f3 Bxd3 12. Qxd3 Nc6 13. Ng3 Re8 14. Bb2 h5 15. Rae1 h4 16. Nh1 Qd6 17. Nf2 Rad8 18. Kh1 Nh5 19. Qf5 g6 20. Qg4 Qe7 21. Nd3 c4 22. Nf4 Ng7 23. Nh3 Rd6 24. e4 Nd8 25. Bc1 f5 26. Qf4 Nf7 27. e5 Rc6 28. Qd2 Ne6 29. a4 b5 30. axb5 Rb6 31. g4 hxg3 32. Rg1 Rxb5 33. Rxg3 Nh8 34. Reg1 Qh4 35. Qg2 Kf8 36. Ba3+ Kg7 37. Rxg6+ Kh7 38. Rxe6 1-0

[Event "Rilton Cup 52nd"]
[Site "Stockholm"]
[Date "2025.01.04"]
[Round "8"]
[White "Mattenberger, Matthias"]
[Black "Ostlund, Joar"]
[Result "1-0"]
[ECO "E26"]
[WhiteElo "2267"]
[BlackElo "2339"]
[PlyCount "59"]
[EventDate "2024.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 d6 7. Bd3 Nc6 8. Ne2 b6 9. e4 Bb7 10. 0-0 Qc7 11. f4 e5 12. d5 Na5 13. fxe5 dxe5 14. Ng3 Bc8 15. h3 h6 16. Ra2 Nb7 17. Raf2 Nd6 18. Rxf6 gxf6 19. Nh5 f5 20. exf5 Bb7 21. Ng7+ Kd7 22. f6 Rag8 23. Qh5 Kc8 24. Qxe5 Ne8 25. Qf5+ Qd7 26. Qf4 Qc7 27. Qg4+ Kd8 28. Bf4 Qd7 29. Qh4 Rf8 30. Bf5 1-0

[Event "Rilton Cup 52nd"]
[Site "Stockholm"]
[Date "2025.01.03"]
[Round "7"]
[White "Olsson, William"]
[Black "Mattenberger, Matthias"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2369"]
[BlackElo "2267"]
[PlyCount "79"]
[EventDate "2024.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c6 3. Nc3 d5 4. e3 e6 5. b3 Bd6 6. Bb2 0-0 7. d4 Nbd7 8. Bd3 b6 9. 0-0 Bb7 10. Qc2 h6 11. Rfd1 Qe7 12. Rac1 Rac8 13. Bf1 c5 14. cxd5 exd5 15. g3 Qe6 16. Bg2 Rfd8 17. Qb1 Bf8 18. Ne1 cxd4 19. Rxd4 Bc5 20. Rdd1 Ne5 21. Ne2 Ne4 22. Nf4 Qe8 23. Ned3 Ng4 24. Re1 Nexf2 25. Rxc5 bxc5 26. Nxf2 Nxf2 27. Kxf2 Qb5 28. Qf5 c4 29. Bd4 Rd6 30. bxc4 Qxc4 31. Qe5 Rf6 32. Qe7 Rxf4+ 33. gxf4 Qxa2+ 34. Kg3 Rc6 35. f5 Rc2 36. Rg1 Qa6 37. Qe8+ Kh7 38. Qxf7 Qd6+ 39. Kh3 Rc7 40. Qg6+ 1-0

[Event "Rilton Cup 52nd"]
[Site "Stockholm"]
[Date "2025.01.02"]
[Round "6"]
[White "Mattenberger, Matthias"]
[Black "Sorensen, Hampus"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2267"]
[BlackElo "2415"]
[PlyCount "136"]
[EventDate "2024.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Bf5 7. Qf3 Bg6 8. Bxf6 Qxf6 9. Qxf6 gxf6 10. Nf3 Nd7 11. Nh4 Be7 12. Ne2 f5 13. Nf3 a5 14. Nf4 Bb4+ 15. Kd1 Bd6 16. g3 Bxf4 17. gxf4 Bh5 18. Be2 Bxf3 19. Bxf3 Nb6 20. Be2 Nc8 21. Bd3 Nd6 22. Ke2 Ke7 23. Rag1 Ke6 24. Rg5 h6 25. Rg3 b6 26. Rc1 Rac8 27. b3 c5 28. dxc5 bxc5 29. Rgg1 c4 30. Bc2 Rc5 31. f3 Rb8 32. bxc4 dxc4 33. Rb1 Nb5 34. Ke1 Rd8 35. a4 Nc3 36. Rb6+ Rd6 37. Rxd6+ Kxd6 38. e4 fxe4 39. fxe4 Rh5 40. Rg3 Na2 41. h3 Nb4 42. Kd2 Rh4 43. Rf3 Kc5 44. Kc3 Nc6 45. f5 Nd4 46. Re3 Nxc2 47. Kxc2 Kd4 48. Rg3 Kxe4 49. Rg7 f6 50. Ra7 Rxh3 51. Rxa5 h5 52. Rc5 Kd4 53. Rc6 Rh2+ 54. Kb1 h4 55. Rxf6 Ke5 56. Rc6 h3 57. Rh6 Kxf5 58. a5 Kg4 59. a6 Re2 60. a7 Re8 61. Kc2 Ra8 62. Rh7 Kg3 63. Rg7+ Kf2 64. Rh7 Kg2 65. Rg7+ Kf3 66. Rh7 Kg3 67. Rg7+ Kf3 68. Rh7 Kg2 1/2-1/2

[Event "Rilton Cup 52nd"]
[Site "Stockholm"]
[Date "2024.12.31"]
[Round "5"]
[White "Trost, Edvin"]
[Black "Mattenberger, Matthias"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "2443"]
[BlackElo "2267"]
[PlyCount "94"]
[EventDate "2024.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. Be2 e5 5. Bc4 Be7 6. d3 h6 7. Nd5 Be6 8. Nxf6+ Bxf6 9. Bxe6 fxe6 10. c3 Nc6 11. Be3 Qe7 12. a3 d5 13. Qa4 0-0 14. 0-0 a6 15. b4 d4 16. cxd4 exd4 17. Bd2 Be5 18. Nxe5 Nxe5 19. bxc5 Nxd3 20. c6 bxc6 21. Qxd4 Rad8 22. Qc3 Nxf2 23. Be3 Ng4 24. Rxf8+ Rxf8 25. Bc5 Qc7 26. e5 Rf5 27. Bd6 Qa7+ 28. Bc5 Qb8 29. Bd6 Qb5 30. Re1 Qd5 31. h3 Nf2 32. Qe3 Nd1 33. Qe2 Qd4+ 34. Kh2 Qf4+ 35. Kg1 Qd4+ 36. Kh2 Nf2 37. Qe3 Qh4 38. Kg1 Nd3 39. Rb1 Nf4 40. Kh1 Nd5 41. Qd3 Qf2 42. Qxa6 Nc3 43. Qc8+ Kh7 44. Rb8 Qf1+ 45. Kh2 Qf4+ 46. Kh1 Qf1+ 47. Kh2 Qf4+ 1/2-1/2

[Event "Rilton Cup 52nd"]
[Site "Stockholm"]
[Date "2024.12.30"]
[Round "4"]
[White "Mattenberger, Matthias"]
[Black "Wong, Zhenyong Jayden"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2267"]
[BlackElo "2406"]
[PlyCount "163"]
[EventDate "2024.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Nc3 e5 7. Be3 exd4 8. Qxd4 Qxd4 9. Bxd4 Nf6 10. 0-0-0 Be6 11. Nf3 Nbd7 12. Ng5 Bc5 13. Nxe6 fxe6 14. g3 Bxd4 15. Rxd4 Ke7 16. Bh3 Rad8 17. Re1 Nc5 18. Rxd8 Rxd8 19. Kc2 Rd4 20. b3 g5 21. f3 h5 22. Re5 Nd3 23. Rxe6+ Kf7 24. Re2 h4 25. Bf5 Nc5 26. Re5 b6 27. Ne4 Nfxe4 28. Bxe4 hxg3 29. hxg3 Nxe4 30. Rxe4 Rd7 31. Re2 c5 32. Rd2 Re7 33. Kd3 Kf6 34. Re2 Rd7+ 35. Ke3 Rd1 36. Rd2 Ra1 37. Kf2 Ke6 38. Kg2 Kf5 39. Re2 Kf6 40. Rf2 Kf5 41. Rd2 g4 42. Kf2 Kg5 43. Ke3 Re1+ 44. Re2 Rd1 45. Kf2 Kf5 46. a4 Rb1 47. fxg4+ Kxg4 48. Re4+ Kg5 49. Re3 Kg4 50. Ke2 Rb2+ 51. Kd1 Kf5 52. Kc1 Rg2 53. a5 Ra2 54. axb6 axb6 55. Re7 Rg2 56. Rb7 Ke5 57. Rxb6 Kd4 58. Rf6 Rxg3 59. Kb2 Rg8 60. Rd6+ Ke4 61. Rd5 Rc8 62. Kc3 Kf4 63. b4 cxb4+ 64. Kxb4 Ke4 65. Kc3 Rb8 66. Rd1 Ke5 67. c5 Ke6 68. Kc4 Ke7 69. c6 Rd8 70. Rd5 Ra8 71. Kb5 Rb8+ 72. Ka6 Ke6 73. Rd1 Rb2 74. c7 Rc2 75. Kb7 Rb2+ 76. Kc8 Ke7 77. Re1+ Kf7 78. Re4 Rb1 79. Kd7 Rd1+ 80. Kc6 Rc1+ 81. Kd6 Rc2 82. Re5 1-0

[Event "Rilton Cup 52nd"]
[Site "Stockholm"]
[Date "2024.12.29"]
[Round "3"]
[White "Durak, Can"]
[Black "Mattenberger, Matthias"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "2446"]
[BlackElo "2267"]
[PlyCount "74"]
[EventDate "2024.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c6 3. Nc3 d5 4. e3 e6 5. b3 Bd6 6. Bb2 0-0 7. Be2 dxc4 8. bxc4 e5 9. Qc2 Re8 10. d4 Nbd7 11. 0-0 Qc7 12. c5 Bf8 13. Bc4 b5 14. Bb3 b4 15. Ne4 Nxe4 16. Qxe4 h6 17. Qg6 Re7 18. Qd6 Qb7 19. d5 Qb5 20. dxc6 Nxc5 21. Nxe5 Nxb3 22. axb3 Be6 23. Rfc1 Rc8 24. Qd4 Rec7 25. Nd7 Qd5 26. Nxf8 Qxd4 27. Bxd4 Kxf8 28. Rxa7 Rxc6 29. Rxc6 Rxc6 30. h3 Kg8 31. Rb7 Bxb3 32. Rxb4 Be6 33. Rb5 Kh7 34. Ra5 g5 35. Ra8 Rc8 36. Ra7 Kg6 37. Ra5 Rc2 0-1

[Event "Rilton Cup 52nd"]
[Site "Stockholm"]
[Date "2024.12.28"]
[Round "2"]
[White "Mattenberger, Matthias"]
[Black "Khripachenko, Alexander"]
[Result "0-1"]
[ECO "E43"]
[WhiteElo "2267"]
[BlackElo "2400"]
[PlyCount "66"]
[EventDate "2024.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6 7. Bd3 Bb7 8. f3 0-0 9. e4 Ne8 10. Nh3 Qh4+ 11. Kf1 Qe7 12. Ra2 Nc6 13. e5 f5 14. exf6 Nxf6 15. Re2 cxd4 16. cxd4 Nxd4 17. Bxh7+ Nxh7 18. Qxd4 Rac8 19. Kf2 Ba6 20. Rc2 e5 21. Qd5+ Kh8 22. Qe4 d5 23. Qg4 Qc5+ 24. Be3 d4 25. Bd2 Qxa3 26. Ng5 Qd3 27. Ne6 Rf7 28. Ra2 e4 29. Rxa6 Qxd2+ 30. Kg3 exf3 31. gxf3 Re8 32. Raa1 Rxe6 33. Qxe6 Qf4+ 0-1

[Event "Rilton Cup 52nd"]
[Site "Stockholm"]
[Date "2024.12.27"]
[Round "1"]
[White "Tarhan, Adar"]
[Black "Mattenberger, Matthias"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "2483"]
[BlackElo "2267"]
[PlyCount "44"]
[EventDate "2024.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "CB02_2025"]
[SourceDate "2025.01.08"]
[SourceVersion "1"]
[SourceVersionDate "2025.01.08"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. h4 Bg7 6. h5 Nc6 7. g3 Bg4 8. h6 Bf6 9. Bg2 0-0 10. 0-0 Nxc3 11. bxc3 Qd7 12. Rb1 b6 13. Qa4 Rad8 14. Qa6 Bh3 15. Bxh3 Qxh3 16. d4 Rd5 17. Rb5 Nb8 18. Qa4 c5 19. dxc5 Rh5 20. Nh4 Bxh4 21. cxb6 Bg5 22. Rxg5 Qh2# 0-1

[Event "EU-ch U16"]
[Site "Prague"]
[Date "2024.08.31"]
[Round "9"]
[White "Arnold, Rhys"]
[Black "Mattenberger, Matthias"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2171"]
[BlackElo "2257"]
[PlyCount "49"]
[EventDate "2024.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be7 8. Bc4 0-0 9. 0-0 Nc6 10. Bg5 Nd7 11. Bxe7 Qxe7 12. Nd5 Qd8 13. Re1 Nb6 14. Nxb6 Qxb6 15. b3 Bg4 16. h3 Bxf3 17. Qxf3 Rac8 18. c3 Qc7 19. Bd5 Ne7 20. Red1 Nxd5 21. Rxd5 Qxc3 22. Qxc3 Rxc3 23. Rxd6 Rfc8 24. Rad1 Kf8 25. f3 1/2-1/2

[Event "EU-ch U16"]
[Site "Prague"]
[Date "2024.08.30"]
[Round "8"]
[White "Mattenberger, Matthias"]
[Black "Kassios, Dimitrios"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2257"]
[BlackElo "2116"]
[PlyCount "127"]
[EventDate "2024.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 h6 7. Bh4 Be7 8. Bd3 0-0 9. Qc2 Re8 10. Nge2 Nbd7 11. 0-0 a5 12. Rae1 b5 13. Nc1 Ba6 14. a4 Qb6 15. Bxf6 Nxf6 16. Qb3 b4 17. N3e2 Ne4 18. Rd1 Bf6 19. Bxa6 Qxa6 20. Nf4 Rac8 21. Qd3 Qb6 22. Nb3 Bg5 23. Nh3 c5 24. dxc5 Nxc5 25. Nxc5 Rxc5 26. Nxg5 hxg5 27. Rc1 Re4 28. Rxc5 Qxc5 29. Rd1 Rc4 30. h3 Rc1 31. b3 Rxd1+ 32. Qxd1 Kf8 33. Qd3 g6 34. Kh2 Ke7 35. g3 Ke6 36. Kg2 Ke5 37. Kf3 f5 38. Ke2 Kf6 39. Kd1 Kf7 40. Kd2 Kf6 41. Ke2 Kf7 42. Kd1 Ke7 43. Kd2 Kf6 44. Qa6+ Kf7 45. Qb7+ Kf6 46. Qa6+ Kf7 47. Qd3 Kf6 48. Kd1 Kf7 49. Qd2 Kf6 50. Qb2+ Kf7 51. Qe5 Qc6 52. Qd4 Kg8 53. Qa7 Qe6 54. Qxa5 Qe4 55. Qd8+ Kf7 56. Qc7+ Kg8 57. Qc2 Qh1+ 58. Ke2 Qa1 59. Qc8+ Kg7 60. Qb7+ Kh6 61. Qxb4 Qa2+ 62. Kf1 Qb1+ 63. Kg2 Qd3 64. Qd4 1-0

[Event "EU-ch U16"]
[Site "Prague"]
[Date "2024.08.29"]
[Round "7"]
[White "Lyakh, Vasiliy"]
[Black "Mattenberger, Matthias"]
[Result "1/2-1/2"]
[ECO "D70"]
[WhiteElo "2115"]
[BlackElo "2257"]
[PlyCount "73"]
[EventDate "2024.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. f3 d5 4. cxd5 Nxd5 5. e4 Nb6 6. Nc3 Bg7 7. Be3 0-0 8. Qd2 Nc6 9. 0-0-0 Qd6 10. Kb1 Rd8 11. Nb5 Qd7 12. d5 a6 13. Nc3 Qe8 14. Qc1 Ne5 15. Bh6 Qf8 16. Bxg7 Qxg7 17. h4 e6 18. Qg5 Re8 19. f4 Nec4 20. Bxc4 Nxc4 21. dxe6 Bxe6 22. Nge2 b5 23. e5 Ne3 24. Rd2 Bf5+ 25. Ka1 b4 26. Nd5 Nxd5 27. Rxd5 h6 28. Qg3 Rad8 29. Rhd1 Rxd5 30. Rxd5 f6 31. Qe3 Qf7 32. Rc5 Qe7 33. Qb3+ Be6 34. Qc2 Bf5 35. Qc4+ Be6 36. Qc2 Bf5 37. Qc4+ 1/2-1/2

[Event "EU-ch U16"]
[Site "Prague"]
[Date "2024.08.23"]
[Round "2"]
[White "Mattenberger, Matthias"]
[Black "Hartofylakas, Spyros"]
[Result "0-1"]
[ECO "E44"]
[WhiteElo "2257"]
[BlackElo "2117"]
[PlyCount "62"]
[EventDate "2024.08.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Ne4 6. Qc2 Bb7 7. a3 Bxc3+ 8. Nxc3 Nxc3 9. Qxc3 d6 10. b4 a5 11. Bb2 axb4 12. axb4 Rxa1+ 13. Bxa1 Qg5 14. h4 Qg6 15. f3 0-0 16. Kf2 Nd7 17. h5 Qb1 18. Rg1 Ra8 19. Be2 Qf5 20. h6 Nf6 21. Qc1 Ng4+ 22. Kg3 Nxh6 23. e4 Qg6+ 24. Kf2 f5 25. e5 Rf8 26. exd6 cxd6 27. Re1 f4 28. c5 Qg3+ 29. Kg1 Ng4 30. Bc4 Bxf3 31. Bxe6+ Kh8 0-1

[Event "Aix en Provence Dole op 2nd"]
[Site "Aix en Provence"]
[Date "2024.07.20"]
[Round "1"]
[White "Gupta, Abhijeet"]
[Black "Mattenberger, Matthias"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "2587"]
[BlackElo "2275"]
[PlyCount "105"]
[EventDate "2024.07.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. h4 Bg7 6. e4 Nxc3 7. dxc3 Qxd1+ 8. Kxd1 Nd7 9. h5 Nc5 10. h6 Bf8 11. e5 Bg4 12. Be3 e6 13. Rh4 Rd8+ 14. Ke1 Bxf3 15. gxf3 Nd7 16. Re4 Bc5 17. Bf4 Rg8 18. Rd1 Nb6 19. Bd3 Be7 20. Ke2 Kd7 21. Be3 Kc8 22. a4 a5 23. Ra1 Nd5 24. Bd2 Rd7 25. Bc2 Rgd8 26. Rd1 c6 27. Bc1 Kc7 28. Rg1 Ra8 29. Rd4 Rad8 30. Be4 Nb6 31. Rxd7+ Nxd7 32. f4 Nb6 33. b3 Nd5 34. Bd2 Bf8 35. Rh1 Rd7 36. Rh3 Rd8 37. Bxd5 cxd5 38. b4 Ra8 39. b5 Kb6 40. Rd3 Rd8 41. Be3+ Kc7 42. Rd1 Rd7 43. Kf3 Be7 44. c4 dxc4 45. Bb6+ Kc8 46. Rc1 Bd8 47. Rxc4+ Kb8 48. Bxd8 Rxd8 49. Kg4 f5+ 50. exf6 Rf8 51. Kg5 Rf7 52. b6 Rd7 53. Rc5 1-0

[Event "EU-chT U18"]
[Site "Rhodes"]
[Date "2024.06.21"]
[Round "1.2"]
[White "Mattenberger, Matthias"]
[Black "Levin, Guy"]
[Result "1/2-1/2"]
[ECO "D25"]
[WhiteElo "2275"]
[BlackElo "2470"]
[PlyCount "146"]
[EventDate "2024.06.21"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]
[WhiteTeam "Switzerland U18"]
[BlackTeam "Israel U18"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "ISR"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Be6 5. Nc3 c6 6. Ng5 Bg4 7. f3 Bc8 8. Bxc4 e6 9. 0-0 h6 10. Nge4 Be7 11. Nxf6+ Bxf6 12. Qe2 c5 13. dxc5 Bxc3 14. bxc3 Qa5 15. a4 Bd7 16. c6 Nxc6 17. Ba3 0-0-0 18. Bd6 Be8 19. Rfd1 Nb8 20. Bb5 a6 21. Qc4+ Nc6 22. Rab1 Qb6 23. Kf2 h5 24. Rb4 Rh6 25. Bxc6 Qxc6 26. Qb3 b5 27. axb5 axb5 28. Rbd4 e5 29. Bxe5 Rxd4 30. cxd4 Qc4 31. Qxc4+ bxc4 32. Rc1 Bb5 33. Bxg7 Ra6 34. Rc2 Kd7 35. e4 Ra3 36. h4 Rd3 37. Kg3 Ke7 38. d5 f6 39. Bh6 c3 40. Kf2 Bc4 41. Bf4 Bb3 42. Rc1 c2 43. Ke2 Rd1 44. g4 Kf7 45. g5 f5 46. exf5 Rxd5 47. f6 Rd4 48. Ke3 Rd1 49. Ke2 Rd4 50. Ke3 Rd1 51. Ke4 Kg6 52. Be3 Bd5+ 53. Kf4 Bb3 54. Ke5 Rd5+ 55. Ke4 Ra5 56. Kd3 Ra4 57. Kc3 Be6 58. Kxc2 Rxh4 59. Kd2 Rc4 60. Ra1 Rc7 61. Ra6 Bf7 62. Rb6 h4 63. Rb4 Rc4 64. Rb8 Kf5 65. Rh8 Rb4 66. Ke2 Rb2+ 67. Ke1 Rb3 68. Kf2 Rb2+ 69. Kg1 Rb3 70. Rh7 Rxe3 71. Rxf7 Kxg5 72. f4+ Kg6 73. Re7 Rg3+ 1/2-1/2

[Event "SUI-chT"]
[Site "Switzerland"]
[Date "2024.05.26"]
[Round "4.3"]
[White "Mattenberger, Matthias"]
[Black "Kurmann, Oliver"]
[Result "1/2-1/2"]
[ECO "E52"]
[WhiteElo "2239"]
[BlackElo "2429"]
[PlyCount "76"]
[EventDate "2024.03.10"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "SUI"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]
[WhiteTeam "Bern Schwarz Weiss"]
[BlackTeam "Luzern"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "SUI"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd2 b6 6. Nf3 Bb7 7. Bd3 d5 8. cxd5 exd5 9. 0-0 Bd6 10. Qb1 Nbd7 11. b4 a6 12. a4 Qe7 13. b5 axb5 14. Nxb5 c5 15. Nxd6 Qxd6 16. a5 bxa5 17. Rxa5 Rxa5 18. Bxa5 Ba6 19. dxc5 Qxc5 20. Bb4 Bxd3 21. Bxc5 Bxb1 22. Bxf8 Bd3 23. Bb4 Bxf1 24. Kxf1 Ne8 25. Nd4 f6 26. Ne6 g5 27. Ke2 Kf7 28. Nd8+ Kg6 29. h3 Nc7 30. Kd3 Nb5 31. g4 h5 32. f4 hxg4 33. hxg4 f5 34. gxf5+ Kxf5 35. fxg5 Ne5+ 36. Ke2 Kxg5 37. Ne6+ Kf5 38. Nc5 Nc6 1/2-1/2

[Event "SUI-ch U16"]
[Site "Naefels"]
[Date "2024.05.20"]
[Round "7"]
[White "Guyer, Marlon"]
[Black "Mattenberger, Matthias"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1866"]
[BlackElo "2276"]
[PlyCount "76"]
[EventDate "2024.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. h3 Be6 9. f4 b5 10. f5 Bc8 11. a4 b4 12. Nd5 Nbd7 13. Bc4 Bb7 14. Qd3 Nxd5 15. Bxd5 Bxd5 16. Qxd5 Rc8 17. 0-0-0 Qc7 18. Qd3 Qc6 19. a5 Nf6 20. Nd2 d5 21. exd5 Nxd5 22. Rhe1 0-0 23. Ne4 Qa4 24. Kb1 Nc3+ 25. Nxc3 bxc3 26. b3 Qxa5 27. Qd5 Qb4 28. Qxe5 Bf6 29. Qf4 Qb7 30. g4 Bh4 31. g5 Bxe1 32. Rxe1 Rfe8 33. f6 Re4 34. Qd6 Qc6 35. Qa3 Qe6 36. Qc1 Rb8 37. Ka1 Re8 38. Bf2 Rxe1 0-1

[Event "SUI-ch U16"]
[Site "Naefels"]
[Date "2024.05.19"]
[Round "5"]
[White "Mattenberger, Matthias"]
[Black "Malli, Suvirr"]
[Result "1/2-1/2"]
[ECO "D52"]
[WhiteElo "2276"]
[BlackElo "2150"]
[PlyCount "67"]
[EventDate "2024.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. cxd5 Nxd5 8. Rc1 h6 9. Bh4 Bb4 10. a3 Bxc3+ 11. bxc3 b6 12. Qb3 c5 13. Bb5 Ba6 14. Bc6 Rc8 15. Ne5 Rc7 16. Bg3 cxd4 17. exd4 0-0 18. Bxd7 Nxc3 19. Qb4 Na2 20. Qxa5 Rxc1+ 21. Kd2 bxa5 22. Rxc1 Nxc1 23. Kxc1 Bf1 24. Nc6 Bxg2 25. Kd2 Kh8 26. Ke3 Bxc6 27. Bxc6 Rc8 28. d5 exd5 29. Bxd5 Rc3+ 30. Kd4 Rxa3 31. Bxf7 Ra1 32. Kc3 Ra4 33. Bd6 Rg4 34. f4 1/2-1/2

[Event "SUI-ch U16"]
[Site "Naefels"]
[Date "2024.05.19"]
[Round "6"]
[White "Rappazzo, Johannes"]
[Black "Mattenberger, Matthias"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2129"]
[BlackElo "2276"]
[PlyCount "99"]
[EventDate "2024.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. f3 Be6 9. Qd2 0-0 10. 0-0-0 Nbd7 11. g4 b5 12. g5 Nh5 13. Kb1 Nb6 14. Na5 Qc7 15. a3 Rab8 16. Nd5 Nxd5 17. exd5 Bxd5 18. Qxd5 Qxa5 19. Bc4 Qd8 20. Ba2 Bxg5 21. Bxg5 Qxg5 22. Qxd6 a5 23. Bxf7+ Kxf7 24. Qd5+ Kf6 25. f4 Nxf4 26. Qc6+ Kf7 27. Rhg1 Qf6 28. Rd6 Ne6 29. Rd7+ Kg8 30. Qxe6+ Kh8 31. Rgxg7 Qxg7 32. Rxg7 Kxg7 33. Qxe5+ Kg8 34. h4 a4 35. h5 Rfe8 36. Qd5+ Kg7 37. Qg5+ Kf7 38. h6 Rh8 39. c3 Ke6 40. Qf4 Kd7 41. Kc2 Ra8 42. Qf5+ Kc6 43. Qe6+ Kc5 44. c4 bxc4 45. Kc3 Kb5 46. Qxc4+ Kb6 47. Kb4 Rhb8 48. Qc5+ Ka6+ 49. Kxa4 Rxb2 50. Qb5+ 1/2-1/2

[Event "SUI-ch U16"]
[Site "Naefels"]
[Date "2024.05.18"]
[Round "3"]
[White "Mattenberger, Matthias"]
[Black "Breyer, Philippe"]
[Result "1-0"]
[ECO "E46"]
[WhiteElo "2276"]
[BlackElo "1931"]
[PlyCount "73"]
[EventDate "2024.05.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nge2 d5 6. a3 Be7 7. cxd5 exd5 8. Nf4 c6 9. Bd3 Re8 10. 0-0 Nbd7 11. f3 Nf8 12. Bc2 Ne6 13. Nce2 c5 14. Kh1 b6 15. Nxe6 fxe6 16. Nf4 Bd6 17. Re1 Qc7 18. Qd3 cxd4 19. Nh5 dxe3 20. Bxe3 Qf7 21. Nxf6+ gxf6 22. f4 Bb7 23. Rf1 Kh8 24. Bd4 Be7 25. Rf3 Rg8 26. Re3 Rac8 27. Rxe6 Rxc2 28. Rxe7 Qxe7 29. Qxc2 Rg6 30. Qd2 Bc8 31. Re1 Qf7 32. Qc2 Rg8 33. Qc6 Rf8 34. Qd6 Bf5 35. Re7 Qg6 36. Rxa7 Rf7 37. Rxf7 1-0

