CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/nDsHup3k"] [Date "2022.08.26"] [White "Mason2"] [Black "Chauncey"] [Result "0-1"] [UTCDate "2022.08.26"] [UTCTime "23:02:24"] [WhiteElo "1687"] [BlackElo "1678"] [WhiteRatingDiff "-8"] [BlackRatingDiff "+18"] [WhiteTitle "GM"] [BlackTitle "🏆"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B00"] [Opening "Nimzowitsch Defense: Scandinavian Variation, Bogoljubov Variation, Vehre Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Nc3 Nc6 3. e4 Nf6? { (0.35 → 1.47) Mistake. dxe4 was best. } { B00 Nimzowitsch Defense: Scandinavian Variation, Bogoljubov Variation, Vehre Variation } (3... dxe4 4. d5 Ne5 5. Qd4 Ng6 6. Qxe4 Nf6 7. Qa4+ Bd7 8. Bb5 a6 9. Bxd7+ Qxd7 10. Qxd7+) 4. e5 Ne4?! { (1.39 → 2.00) Inaccuracy. Nd7 was best. } (4... Nd7 5. Nce2 e6 6. c3 Ncb8 7. Nf4 c5 8. Bd3 cxd4 9. cxd4 Nc6 10. Nf3 Qa5+ 11. Bd2) 5. Nb1? { (2.00 → 0.62) Mistake. Nxe4 was best. } (5. Nxe4 dxe4 6. c3 Bf5 7. Ne2 e6 8. Ng3 Bg6 9. h4 h5 10. Be2 Qd7 11. Nxh5 Bxh5) 5... Bf5 6. Nf3?! { (0.87 → -0.04) Inaccuracy. f3 was best. } (6. f3 e6 7. g3 Nc5 8. dxc5 Bxc5 9. Bd3 f6 10. Bxf5 exf5 11. Nc3 Qe7 12. Kf1 O-O-O) 6... f6 7. Nc3 fxe5?! { (-0.49 → 0.22) Inaccuracy. Qd7 was best. } (7... Qd7) 8. dxe5?? { (0.22 → -1.45) Blunder. Bb5 was best. } (8. Bb5 Nxc3 9. bxc3 Bg4 10. h3 Bxf3 11. Qxf3 Qd6 12. Qh5+ g6 13. Qxe5 Qxe5+ 14. dxe5 a6) 8... e6 9. Nxe4?? { (-1.01 → -3.19) Blunder. Bb5 was best. } (9. Bb5 Bb4) 9... dxe4 10. Nd2 Nxe5?! { (-3.17 → -2.12) Inaccuracy. Bc5 was best. } (10... Bc5 11. Bb5) 11. a4?? { (-2.12 → -4.92) Blunder. Qe2 was best. } (11. Qe2 Qd5 12. Qb5+ Qxb5 13. Bxb5+ c6 14. Be2 e3 15. fxe3 Bxc2 16. Nf3 Nxf3+ 17. gxf3 Be7) 11... Qd7?? { (-4.92 → -1.75) Blunder. Bc5 was best. } (11... Bc5 12. Qh5+ g6 13. Qe2 Qd5 14. Nc4 Bg4 15. Ne3 Bxe2 16. Nxd5 Bxf1 17. Nxc7+ Kd7 18. Bf4) 12. f4?? { (-1.75 → -5.80) Blunder. Nc4 was best. } (12. Nc4 Qxd1+ 13. Kxd1 Ng4 14. Ke1 Bb4+ 15. c3 Bc5 16. Ne3 Rf8 17. Nxg4 Bxg4 18. Be3 Bxe3) 12... exf3?! { (-5.80 → -4.02) Inaccuracy. Ng4 was best. } (12... Ng4) 13. gxf3? { (-4.02 → -8.84) Mistake. Nxf3 was best. } (13. Nxf3) 13... Bb4 14. c3 Bc5 15. Bg2 Nd3+ 16. Kf1 e5 17. b4 Be3 18. Ke2 Bxd2 19. Bxd2 Bh3?? { (-9.08 → 0.00) Blunder. O-O was best. } (19... O-O 20. Qb3+) 20. Bxh3 Qxh3 21. Kxd3 O-O-O+?? { (0.00 → 2.37) Blunder. Qf5+ was best. } (21... Qf5+ 22. Kc4 Qf7+ 23. Kd3) 22. Kc2 Qf5+?! { (2.59 → 3.44) Inaccuracy. e4 was best. } (22... e4) 23. Kc1?! { (3.44 → 2.46) Inaccuracy. Kb2 was best. } (23. Kb2 Rd3 24. Qe2 Rhd8 25. Be3 a5 26. bxa5 e4 27. Rhd1 Qxf3 28. Qxf3 exf3 29. Rxd3 Rxd3) 23... e4?? { (2.46 → 4.95) Blunder. Rd3 was best. } (23... Rd3 24. Ra2) 24. f4?? { (4.95 → -5.76) Blunder. fxe4 was best. } (24. fxe4) 24... e3 25. Qf3?! { (-5.22 → -12.96) Inaccuracy. Qc2 was best. } (25. Qc2 exd2+ 26. Kb2 Qxf4 27. Rad1 g6 28. h4 a5 29. bxa5 Rd5 30. Rhf1 Qxh4 31. a6 bxa6) 25... exd2+?! { (-12.96 → -6.23) Inaccuracy. Rxd2 was best. } (25... Rxd2 26. Qd1 Rhd8 27. Qb3 e2 28. Re1 Qd3 29. a5 Rd1+ 30. Kb2 Qd2+ 31. Ka3 Qxe1 32. Rxd1) 26. Kd1?! { (-6.23 → -10.38) Inaccuracy. Kb2 was best. } (26. Kb2 Rhe8) 26... Rhf8 27. Rf1 g5 28. Ra2 g4 29. Qf2?! { (-17.05 → Mate in 4) Checkmate is now unavoidable. Qd5 was best. } (29. Qd5 Qb1+) 29... h5? { (Mate in 4 → -9.32) Lost forced checkmate sequence. Qb1+ was best. } (29... Qb1+ 30. Ke2 d1=Q+ 31. Rxd1 Qxd1+ 32. Ke3 Rde8#) 30. Rxd2? { (-9.32 → Mate in 19) Checkmate is now unavoidable. Rc2 was best. } (30. Rc2 Qd3) 30... Rxd2+?? { (Mate in 19 → -4.06) Lost forced checkmate sequence. Qb1+ was best. } (30... Qb1+) 31. Kxd2 Rd8+?! { (-4.29 → -3.20) Inaccuracy. a5 was best. } (31... a5 32. b5 Rd8+ 33. Kc1 Qe4 34. b6 Qc4 35. Qe1 cxb6 36. f5 Qxa4 37. f6 Re8 38. Qf2) 32. Ke1?? { (-3.20 → Mate in 3) Checkmate is now unavoidable. Kc1 was best. } (32. Kc1 a5 33. bxa5 Qxa5 34. Qc2 Qc5 35. Re1 Kb8 36. Re5 Qa3+ 37. Kb1 h4 38. Rg5 Rd6) 32... Qe6+?? { (Mate in 3 → -3.54) Lost forced checkmate sequence. Qb1+ was best. } (32... Qb1+ 33. Ke2 Qd3+ 34. Ke1 Qd1#) 33. Qe2 Qb3 34. Kf2 Qxc3 35. Qe6+?! { (-3.55 → -5.02) Inaccuracy. Kg1 was best. } (35. Kg1 Qxb4 36. f5 Qb6+ 37. Kg2 Qc6+ 38. Kg1 Qf6 39. a5 a6 40. Qe4 c6 41. Re1 Rf8) 35... Kb8 36. Rd1?? { (-4.84 → Mate in 3) Checkmate is now unavoidable. Kg1 was best. } (36. Kg1 g3 37. Qe2 a5 38. hxg3 Qxg3+ 39. Qg2 Qb3 40. f5 Rg8 41. f6 Rxg2+ 42. Kxg2 Qd5+) 36... Qf3+ 37. Kg1 Qxd1+ 38. Kg2 Qf3+ 39. Kg1 Rd1+ 40. Qe1 Rxe1# { Black wins by checkmate. } 0-1