CohenChessClub.com

[Event "MrCohenOS Arena"] [Site "https://cohenchessclub.com/xGc44oOW"] [Date "2022.01.26"] [White "Osvaldo"] [Black "Jibreel"] [Result "0-1"] [UTCDate "2022.01.26"] [UTCTime "21:04:11"] [WhiteElo "870"] [BlackElo "925"] [WhiteRatingDiff "-80"] [BlackRatingDiff "+63"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C46"] [Opening "Four Knights Game"] [Termination "Time forfeit"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 { C46 Four Knights Game } 4. Bd3 Bc5 5. Rf1?? { (-0.23 → -2.26) Blunder. O-O was best. } (5. O-O O-O) 5... O-O 6. g3? { (-2.35 → -4.52) Mistake. Be2 was best. } (6. Be2 Bb4 7. d3 d5 8. Bd2 Bxc3 9. Bxc3 Re8 10. Qd2 Qd6 11. exd5 Nxd5 12. O-O-O b5) 6... Re8?! { (-4.52 → -3.48) Inaccuracy. d5 was best. } (6... d5 7. exd5 Nb4 8. Be2 e4 9. Ne5 Re8 10. Nc4 Nd3+ 11. cxd3 exd3 12. Ne3 dxe2 13. Qxe2) 7. h4? { (-3.48 → -6.09) Mistake. Be2 was best. } (7. Be2 d5 8. d3 Nd4 9. Bg5 c6 10. Bxf6 Qxf6 11. exd5 Nxe2 12. Qxe2 Bg4 13. Ne4 Qf5) 7... d6?! { (-6.09 → -4.35) Inaccuracy. d5 was best. } (7... d5 8. Ng5) 8. Bc4 Rf8? { (-4.73 → -2.90) Mistake. Bg4 was best. } (8... Bg4 9. Be2) 9. Ng5?! { (-2.90 → -4.08) Inaccuracy. Nd5 was best. } (9. Nd5 Nxe4) 9... Bg4? { (-4.08 → -2.12) Mistake. h6 was best. } (9... h6 10. Na4 Bd4 11. d3 d5 12. exd5 Na5 13. c3 b5 14. cxd4 exd4 15. f3 bxc4 16. Ne4) 10. f3 Bh5? { (-2.27 → -0.81) Mistake. Bd7 was best. } (10... Bd7) 11. g4 Bg6 12. h5?? { (-0.80 → -2.96) Blunder. d3 was best. } (12. d3 h6 13. h5 Bh7 14. Nxh7 Nxh7 15. Ne2 Na5 16. Rh1 c6 17. Bb3 Nxb3 18. axb3 d5) 12... Bb4?? { (-2.96 → 6.96) Blunder. Nxh5 was best. } (12... Nxh5 13. d4 Nf4 14. Bxf4 exf4 15. dxc5 Qxg5 16. cxd6 Rad8 17. Qe2 Rxd6 18. Bd3 h5 19. Qh2) 13. hxg6 hxg6 14. Rh1 Qd7 15. Nh7?? { (11.76 → 2.85) Blunder. Qe2 was best. } (15. Qe2) 15... Nxg4?? { (2.85 → 12.21) Blunder. Nxh7 was best. } (15... Nxh7) 16. fxg4 Nd4 17. Ne2?? { (12.46 → 3.75) Blunder. Nd5 was best. } (17. Nd5 Qe6 18. c3 b5 19. Ndf6+ gxf6 20. Bxe6 Nxe6 21. cxb4 Kg7 22. Qf3 Nf4 23. Nxf8 Rxf8) 17... Qxg4 18. Rh2?? { (3.81 → -3.80) Blunder. Ng5 was best. } (18. Ng5) 18... d5?? { (-3.80 → -1.09) Blunder. Nf3+ was best. } (18... Nf3+ 19. Kf2) 19. Bd3?? { (-1.09 → Mate in 7) Checkmate is now unavoidable. Bxd5 was best. } (19. Bxd5 Nf3+ 20. Kf2 Nxh2 21. Qh1 c6 22. Qxh2 cxd5 23. Nxf8 dxe4 24. Qg2 Bc5+ 25. Kf1 Qf5+) 19... f5?? { (Mate in 7 → -4.08) Lost forced checkmate sequence. Nf3+ was best. } (19... Nf3+ 20. Kf1 Nxh2+ 21. Ke1 Nf3+ 22. Kf2 Bc5+ 23. Nd4 Bxd4+ 24. Kf1 Qh3+ 25. Ke2 Qg2#) 20. c3? { (-4.08 → -14.22) Mistake. Nxd4 was best. } (20. Nxd4 Qg1+) 20... Nxe2?? { (-14.22 → -1.67) Blunder. Nf3+ was best. } (20... Nf3+) 21. Qxe2 Qg1+ 22. Qf1 Qxh2 23. Ng5?? { (-1.46 → -11.39) Blunder. Nxf8 was best. } (23. Nxf8 Rxf8 24. exd5 e4 25. Be2 Bd6 26. d3 g5 27. Be3 g4 28. O-O-O f4 29. Bg1 Qh5) 23... fxe4 24. Be2 Rxf1+ 25. Bxf1 Rf8 26. cxb4?! { (-14.69 → Mate in 3) Checkmate is now unavoidable. a4 was best. } (26. a4 Be7 27. Nxe4 Qh4+ 28. Ng3 Qxg3+ 29. Kd1 Rxf1+ 30. Kc2 e4 31. Kb3 Qe1 32. d4 Qd1+) 26... Rxf1+? { (Mate in 3 → -9.50) Lost forced checkmate sequence. Qg3+ was best. } (26... Qg3+ 27. Kd1 Rxf1+ 28. Kc2 Qd3#) 27. Kxf1 d4 28. Nxe4 d3 29. Nf2 e4 30. Nxd3 exd3 31. b5?! { (-10.74 → Mate in 7) Checkmate is now unavoidable. b3 was best. } (31. b3 Qe2+ 32. Kg1 Qe1+ 33. Kg2 g5 34. Bb2 Qxd2+ 35. Kh1 g4 36. Be5 Qh6+ 37. Bh2 Qh3) 31... g5 32. b4 g4 33. a4 g3 34. a5 g2+ 35. Ke1 Qh1+ 36. Kf2 g1=B+ 37. Kg3 Bh2+ 38. Kf2 Qg1+ 39. Kf3 Qf1+?! { (Mate in 4 → -11.00) Lost forced checkmate sequence. Qe1 was best. } (39... Qe1 40. Kg4 Qg3+ 41. Kh5 Kh7 42. a6 g6#) 40. Ke3?! { (-11.00 → Mate in 4) Checkmate is now unavoidable. Ke4 was best. } (40. Ke4 Qe2+) 40... Qh3+? { (Mate in 4 → -9.10) Lost forced checkmate sequence. Bg1+ was best. } (40... Bg1+ 41. Ke4 g6 42. Kd5 Qf7+ 43. Ke5 Qf5#) 41. Kd4 Qh4+ 42. Kxd3 Be5 43. Kc2 Bxa1 { Black wins on time. } 0-1