CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/N1AmvYJ2"] [Date "2026.06.16"] [White "Archer1"] [Black "Mark-David"] [Result "0-1"] [UTCDate "2026.06.16"] [UTCTime "20:23:26"] [WhiteElo "1283"] [BlackElo "1146"] [WhiteRatingDiff "-24"] [BlackRatingDiff "+43"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C24"] [Opening "Bishop's Opening: Berlin Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Bc4?! { (0.60 → -0.05) Inaccuracy. Nf3 was best. } (2. Nf3 Nc6 3. Bb5 Nge7 4. O-O Ng6 5. d4 exd4 6. Nxd4 Bc5 7. Nf5 O-O 8. Nc3 a6) 2... Nf6 { C24 Bishop's Opening: Berlin Defense } 3. g4?? { (-0.03 → -3.36) Blunder. Nc3 was best. } (3. Nc3 Bc5 4. Nf3 d6 5. Na4 Nxe4 6. Nxc5 Nxc5 7. d4 exd4 8. Bg5 Qd7 9. Qe2+ Ne6) 3... d5 4. exd5 Nxd5?? { (-3.44 → -0.99) Blunder. Bxg4 was best. } (4... Bxg4 5. f3 Bh5 6. Qe2 Be7 7. Nc3 O-O 8. Qxe5 Re8 9. Kf1 c6 10. d4 b5 11. Bd3) 5. Qf3 Be6 6. Nh3?? { (-1.05 → -6.38) Blunder. Nc3 was best. } (6. Nc3 c6 7. d3 Be7 8. a3 O-O 9. Nge2 Qd7 10. h3 Na6 11. Bd2 Nc5 12. Ng3 b5) 6... e4?? { (-6.38 → -1.82) Blunder. Nc6 was best. } (6... Nc6 7. Qg2) 7. Qxe4 Nc6 8. Ng5?? { (-2.28 → -9.62) Blunder. d3 was best. } (8. d3 Nf6) 8... Bb4?? { (-9.62 → 4.35) Blunder. Qxg5 was best. } (8... Qxg5 9. Nc3 Nf6 10. d3 Nxe4 11. Bxg5 Nxg5 12. Bxe6 Nxe6 13. O-O-O Ncd4 14. f4 Nxc2 15. Kxc2) 9. Nxe6 fxe6 10. Qxe6+ Be7?! { (5.27 → 7.75) Inaccuracy. Nde7 was best. } (10... Nde7 11. Qf7+) 11. Qxd5 Qxd5 12. Bxd5 O-O-O 13. Bxc6 bxc6 14. d3 Rhf8 15. a4 Bc5 16. d4 Bxd4 17. b4?? { (5.89 → -3.04) Blunder. O-O was best. } (17. O-O) 17... Bxf2+?? { (-3.04 → 3.89) Blunder. Bxa1 was best. } (17... Bxa1 18. c3) 18. Ke2 Rde8+ 19. Kd3 Rd8+ 20. Kc3?? { (5.00 → -3.73) Blunder. Kc4 was best. } (20. Kc4 Rd4+ 21. Kb3 c5 22. bxc5 Kd7 23. c3 Rb8+ 24. Kc2 Rxg4 25. Nd2 Rg2 26. Nc4 Bxc5+) 20... Bd4+ 21. Kb3 Bxa1 22. Bd2? { (-3.88 → -6.66) Mistake. c3 was best. } (22. c3 Rd3) 22... Rxd2?? { (-6.66 → 0.00) Blunder. Be5 was best. } (22... Be5) 23. Nxd2 Bf6 24. b5?! { (0.34 → -0.39) Inaccuracy. Re1 was best. } (24. Re1 h5 25. h3 Bg5 26. Ne4 Rf3+ 27. c3 Bh4 28. Re2 Rxh3 29. gxh5 Bf6 30. Nxf6 gxf6) 24... Kb7 25. bxc6+ Kxc6 26. Ne4? { (-0.64 → -1.85) Mistake. Re1 was best. } (26. Re1 Bg5) 26... Bd4 27. c3 Be3?! { (-1.46 → -0.93) Inaccuracy. Rf3 was best. } (27... Rf3 28. Rc1) 28. Re1 Rf3 29. Kc2? { (-0.54 → -1.62) Mistake. Kc4 was best. } (29. Kc4 Bf4 30. Nc5 Bxh2 31. Ne6 Rg3 32. Re2 Bg1 33. Re4 Bb6 34. Nd8+ Kd6 35. a5 Bg1) 29... Kd5 30. Kd3?? { (-1.23 → -7.73) Blunder. Ng3 was best. } { White offers draw } (30. Ng3 g6 31. Rd1+ Kc4 32. Rd7 Rf2+ 33. Kd1 Rxh2 34. Rxc7+ Kd3 35. Rd7+ Kxc3 36. Nf1 Rh1) 30... Ke5?? { (-7.73 → 6.70) Blunder. Bf2+ was best. } (30... Bf2+) 31. Nc5?? { (6.70 → -2.45) Blunder. Nd2 was best. } (31. Nd2 Rf4) 31... Kf4?? { (-2.45 → 6.01) Blunder. Kd5 was best. } (31... Kd5) 32. Ne6+ Kxg4 33. Nxc7?? { (5.98 → -7.70) Blunder. Rxe3 was best. } (33. Rxe3) 33... Kh3?? { (-7.70 → 8.42) Blunder. Bf2+ was best. } (33... Bf2+) 34. Nb5?? { (8.42 → -3.57) Blunder. Rxe3 was best. } (34. Rxe3) 34... a6?? { (-3.57 → 7.70) Blunder. Bf2+ was best. } (34... Bf2+ 35. Ke4) 35. Nc7?? { (7.70 → -6.20) Blunder. Rxe3 was best. } (35. Rxe3) 35... a5?? { (-6.20 → 7.61) Blunder. Bb6+ was best. } (35... Bb6+ 36. Ke4) 36. Nb5?? { (7.61 → -3.51) Blunder. Rxe3 was best. } (36. Rxe3 Rxe3+ 37. Kxe3 Kxh2 38. Ne6 Kg3 39. Nxg7 Kg4 40. c4 Kg5 41. Kd4 Kf6 42. c5 Kxg7) 36... Kxh2?? { (-3.51 → 5.14) Blunder. Bf2+ was best. } (36... Bf2+ 37. Ke4 Rxc3 38. Re2 Rc4+ 39. Kd3 Rf4 40. Re7 Rg4 41. Nc3 Kxh2 42. Re5 Rg3+ 43. Kc4) 37. Re2+?? { (5.14 → -3.57) Blunder. Rxe3 was best. } (37. Rxe3 Rf8) 37... Kg1?? { (-3.57 → 5.57) Blunder. Bf2+ was best. } (37... Bf2+) 38. Ra2?? { (5.57 → -5.48) Blunder. Rxe3 was best. } (38. Rxe3) 38... Rf2?? { (-5.48 → 2.90) Blunder. g5 was best. } (38... g5) 39. Rxf2?? { (2.90 → -6.56) Blunder. Ra1+ was best. } (39. Ra1+) 39... Bxf2?! { (-6.56 → -4.59) Inaccuracy. Kxf2 was best. } (39... Kxf2) 40. Na3?! { (-4.59 → -7.53) Inaccuracy. Nd4 was best. } (40. Nd4 h5 41. c4 Kg2 42. c5 Bg3 43. c6 Bb8 44. Ne6 h4 45. Ke4 h3 46. Nf4+ Kg3) 40... h5 41. Nc4 h4 42. Nxa5 Bb6?! { (-8.37 → -5.76) Inaccuracy. h3 was best. } (42... h3 43. Nc6) 43. Nc4 Bf2 44. a5 h3 45. a6 h2 46. a7 h1=Q 47. a8=Q Qxa8 48. Nb6?! { (-72.22 → Mate in 15) Checkmate is now unavoidable. Nd2 was best. } (48. Nd2 Qd5+ 49. Kc2 Be1 50. Nb1 Qa2+ 51. Kc1 g5 52. c4 Kf2 53. c5 Qb3 54. c6 Bc3) 48... Qa6+ 49. Nc4 Qg6+ 50. Ke2 Qg2?! { (Mate in 8 → -72.30) Lost forced checkmate sequence. Qe4+ was best. } (50... Qe4+ 51. Kd1 Qxc4 52. Kd2 g6 53. Kc2 Be1 54. Kb2 Qxc3+ 55. Ka2 Bh4 56. Kb1 Qb3+ 57. Kc1) 51. Nd2 g5 52. Ne4?! { (-62.42 → Mate in 5) Checkmate is now unavoidable. Nf3+ was best. } (52. Nf3+ Kh1) 52... Qxe4+ 53. Kd2 g4 54. c4 Qxc4 55. Kd1 Qd4+ 56. Kc2 Kf1 { White resigns. } 0-1