CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/M53wmEHk"] [Date "2026.03.03"] [White "Mateo1"] [Black "Blaze"] [Result "0-1"] [UTCDate "2026.03.03"] [UTCTime "15:42:08"] [WhiteElo "803"] [BlackElo "921"] [WhiteRatingDiff "-16"] [BlackRatingDiff "+57"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A04"] [Opening "Zukertort Opening: Ware Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. Nf3 a5?! { (0.47 → 1.17) Inaccuracy. d5 was best. } { A04 Zukertort Opening: Ware Defense } (1... d5 2. d4) 2. Nc3?! { (1.17 → 0.48) Inaccuracy. e4 was best. } (2. e4 e6 3. d4 d5 4. e5 c5 5. c3 Nc6 6. Bd3 a4 7. O-O c4 8. Bc2 b5) 2... Ra6?? { (0.48 → 2.21) Blunder. d5 was best. } (2... d5 3. e4 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. d4 Bd6 7. Bd3 O-O 8. O-O Bg4 9. h3) 3. b3?! { (2.21 → 1.37) Inaccuracy. e4 was best. } (3. e4 Ra8) 3... Rd6? { (1.37 → 2.68) Mistake. d5 was best. } (3... d5 4. e4 dxe4 5. Bxa6 exf3 6. Bf1 Nc6 7. Qxf3 Nd4 8. Qd3 Bf5 9. Ne4 Nf6 10. c3) 4. g3?! { (2.68 → 2.00) Inaccuracy. e4 was best. } (4. e4 e5) 4... Nc6 5. Bh3? { (2.47 → 1.25) Mistake. Nb5 was best. } (5. Nb5 Rg6 6. d4 e6 7. Bg2 Be7 8. e4 d6 9. O-O e5 10. Bb2 exd4 11. Nbxd4 Nxd4) 5... h5?! { (1.25 → 2.00) Inaccuracy. e5 was best. } (5... e5) 6. Ba3?! { (2.00 → 1.02) Inaccuracy. Nb5 was best. } (6. Nb5 Rg6 7. d4 e6 8. Bf4 d6 9. e4 Be7 10. Qe2 Kf8 11. O-O-O h4 12. e5 a4) 6... Rhh6?? { (1.02 → 3.58) Blunder. Rdh6 was best. } (6... Rdh6 7. d4) 7. Rb1?? { (3.58 → 1.30) Blunder. Bxd6 was best. } (7. Bxd6 Rxd6 8. Nb5 Rh6 9. d4 e6 10. Bg2 g5 11. Qd2 g4 12. Nh4 d5 13. O-O Be7) 7... Rhe6?? { (1.30 → 5.49) Blunder. Rdg6 was best. } (7... Rdg6 8. d4 e6 9. Bc1 Rh8 10. d5 exd5 11. Nxd5 Nf6 12. Nh4 Nxd5 13. Qxd5 Bb4+ 14. Kf1) 8. Rg1? { (5.49 → 3.00) Mistake. Nb5 was best. } (8. Nb5) 8... Nf6 9. Qc1 b6?! { (3.01 → 3.82) Inaccuracy. Nb4 was best. } (9... Nb4 10. Bb2) 10. Qb2? { (3.82 → 2.34) Mistake. Ng5 was best. } (10. Ng5 Nb4 11. Nxe6 dxe6 12. Nb5 Rd7 13. Bg2 c6 14. Bxb4 cxb5 15. Bc3 b4 16. Bb2 Rc7) 10... g6?! { (2.34 → 3.59) Inaccuracy. Nb4 was best. } (10... Nb4 11. Bxe6 Rxe6 12. Nd4 Re5 13. f4 Rc5 14. Na4 Rd5 15. c4 Rd6 16. d3 Ng4 17. Bxb4) 11. Ne4?? { (3.59 → -4.46) Blunder. Bxd6 was best. } (11. Bxd6 Rxd6) 11... Nxe4 12. Qc3? { (-4.31 → -11.26) Mistake. Bxe6 was best. } (12. Bxe6 dxe6) 12... Nf6?! { (-11.26 → -5.90) Inaccuracy. Nxc3 was best. } (12... Nxc3 13. dxc3 Bg7 14. c4 Nb4 15. Bxb4 axb4 16. c5 Ba6 17. cxd6 Bc3+ 18. Kf1 Bxe2+ 19. Kg2) 13. e4?! { (-5.90 → -10.07) Inaccuracy. Bxe6 was best. } (13. Bxe6) 13... Bg7 14. d4 Kf8 15. Ke2 Nh7 16. Rbd1 Nxd4+ 17. Kd3 Nxf3+ 18. Ke3 Bxc3 19. Kxf3 Bg7 20. g4 Bb7 21. Kf4?! { (-17.63 → Mate in 9) Checkmate is now unavoidable. Kg3 was best. } (21. Kg3 Rxe4) 21... Nf6?! { (Mate in 9 → -18.40) Lost forced checkmate sequence. Rxe4+ was best. } (21... Rxe4+ 22. Kg3 h4+ 23. Kg2 Rxg4+ 24. Kf1 Rxd1+ 25. Ke2 Rgxg1 26. Bb4 axb4 27. f3 Rge1+ 28. Kf2) 22. g5 Nxe4 23. f3 Nc5 24. b4?! { (-17.70 → Mate in 10) Checkmate is now unavoidable. Bxe6 was best. } (24. Bxe6 dxe6) 24... axb4?! { (Mate in 10 → -21.48) Lost forced checkmate sequence. Be5+ was best. } (24... Be5+ 25. Ke3 Bd4+ 26. Kf4 Re3 27. Kg3 Rxf3+ 28. Kh4 Bf2+ 29. Rg3 Rf4+ 30. Bg4 Rxg4+ 31. Kh3) 25. Bb2 Bxb2 26. Bg2?! { (-23.63 → Mate in 2) Checkmate is now unavoidable. Kg3 was best. } (26. Kg3 Re2) 26... Be5+ 27. Ke3 Bxh2+?! { (Mate in 1 → -29.46) Lost forced checkmate sequence. Bg3# was best. } (27... Bg3#) 28. Kf2 Be5 29. Ke3?! { (-22.84 → Mate in 1) Checkmate is now unavoidable. Rgf1 was best. } (29. Rgf1 Bd4+ 30. Rxd4 Rxd4 31. Kg1 Ba6 32. Ra1 Re5 33. a3 bxa3 34. Rxa3 Rxg5 35. Rxa6 Nxa6) 29... Bf6+?! { (Mate in 1 → -23.46) Lost forced checkmate sequence. Bg3# was best. } (29... Bg3#) 30. Kf4?! { (-23.46 → Mate in 2) Checkmate is now unavoidable. Kf2 was best. } (30. Kf2 Bxg5) 30... Bg7?! { (Mate in 2 → -24.12) Lost forced checkmate sequence. Be5+ was best. } (30... Be5+ 31. Ke3 Bg3#) 31. Rxd6?! { (-24.12 → Mate in 6) Checkmate is now unavoidable. Rxd6 was best. } (31. Rxd6 Be5+) 31... Rxd6?! { (Mate in 6 → -26.23) Lost forced checkmate sequence. exd6 was best. } (31... exd6 32. Rd1 Re2 33. Rd5 Rxg2 34. Ke3 Qe7+ 35. Kf4 Bxd5 36. c3 Qxg5#) 32. Kg3 e6 33. c4?! { (-28.74 → Mate in 5) Checkmate is now unavoidable. f4 was best. } (33. f4 Be5) 33... Qa8?! { (Mate in 5 → -25.29) Lost forced checkmate sequence. Qxg5+ was best. } (33... Qxg5+ 34. Kh3 Be5 35. Bh1 Qxg1 36. f4 Qg4+ 37. Kh2 Bxf4#) 34. f4?! { (-25.29 → Mate in 5) Checkmate is now unavoidable. a4 was best. } (34. a4 bxa3) 34... Qxa2 35. Bd5 exd5 36. cxd5 Bxd5 37. f5 b3 38. Rg2 gxf5 39. Rxa2 bxa2 40. Kf4 a1=Q 41. Kxf5 Qf1# { Black wins by checkmate. } 0-1