CohenChessClub.com

[Event "May Megatournament"] [Site "https://cohenchessclub.com/O2yaghce"] [Date "2026.05.10"] [White "Sadie"] [Black "Nikolai"] [Result "0-1"] [UTCDate "2026.05.10"] [UTCTime "19:53:26"] [WhiteElo "1311"] [BlackElo "1014"] [WhiteRatingDiff "-17"] [BlackRatingDiff "+21"] [WhiteTitle "GM"] [Variant "Standard"] [TimeControl "600+1"] [ECO "B01"] [Opening "Scandinavian Defense: Mieses-Kotroc Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 d5?! { (0.33 → 0.96) Inaccuracy. c5 was best. } (1... c5 2. Nf3 d6 3. Nc3 e5 4. Bc4 Be7 5. d3 Nc6 6. O-O h6 7. Nd5 Nf6 8. Nxf6+) 2. exd5 Qxd5 { B01 Scandinavian Defense: Mieses-Kotroc Variation } 3. Nc3 Qd8 4. Nf3 Nf6 5. d4 c6 6. Bg5?! { (1.32 → 0.39) Inaccuracy. Bc4 was best. } (6. Bc4 e6 7. O-O Be7 8. Qe2 Nbd7 9. Re1 O-O 10. Bf4 Re8 11. a3 Nd5 12. Bd2 Nxc3) 6... h6 7. Bxf6 exf6 8. Qe2+ Be7 9. O-O-O Bd7?? { (0.36 → 2.70) Blunder. O-O was best. } (9... O-O 10. d5) 10. Qe4? { (2.70 → 1.21) Mistake. d5 was best. } (10. d5) 10... O-O 11. Bc4?! { (1.16 → 0.56) Inaccuracy. Bd3 was best. } (11. Bd3 g6 12. Qf4 Kg7 13. d5 cxd5 14. Nxd5 Nc6 15. Bc4 Rb8 16. Nxe7 Qxe7 17. Rhe1 Be6) 11... Na6 12. Bxa6 bxa6 13. Rhe1?! { (0.85 → 0.14) Inaccuracy. d5 was best. } (13. d5 cxd5) 13... Bd6?! { (0.14 → 0.66) Inaccuracy. Re8 was best. } (13... Re8 14. Nd2 Qc7 15. Qf3 a5 16. Nc4 Bb4 17. Qg3 Qxg3 18. Rxe8+ Rxe8 19. hxg3 Bg4 20. Rf1) 14. d5?! { (0.66 → 0.12) Inaccuracy. Nd2 was best. } (14. Nd2 Qa5) 14... cxd5?? { (0.12 → 2.12) Blunder. Qc7 was best. } (14... Qc7 15. Nd4 Rae8 16. Qf3 Rxe1 17. Rxe1 cxd5 18. Nxd5 Qc4 19. Rd1 Rd8 20. Kb1 Qc8 21. Ne3) 15. Rxd5?? { (2.12 → -3.79) Blunder. Qxd5 was best. } (15. Qxd5 Bf4+ 16. Kb1 Bg4 17. Qe4 Bxf3 18. Qxf3 Qb8 19. Nd5 Be5 20. Qb3 Rd8 21. f4 Bd6) 15... Qc7?? { (-3.79 → 0.88) Blunder. Bc6 was best. } (15... Bc6 16. Red1 Bxd5 17. Nxd5 Kh8 18. Nd4 Re8 19. Qf3 Bf8 20. h4 Rc8 21. Nf5 Qa5 22. a3) 16. g3?? { (0.88 → -2.58) Blunder. Qd3 was best. } (16. Qd3 Bf4+ 17. Kb1 Bg4 18. g3 Bxf3 19. Qxf3 Be5 20. Na4 Rfd8 21. Red1 Rac8 22. c3 g6) 16... a5?? { (-2.58 → 3.51) Blunder. Bc6 was best. } (16... Bc6 17. Qg4 Bxd5 18. Nxd5 Qb7 19. Nxf6+ Kh8 20. Qe4 Qxe4 21. Nxe4 Bc7 22. c4 Rae8 23. c5) 17. Red1?? { (3.51 → 0.35) Blunder. Qd3 was best. } (17. Qd3 Bc6 18. Rxd6 Bxf3 19. Rd7 Qc8 20. Nd5 Bxd5 21. Qxd5 a4 22. a3 Qa6 23. Rxf7 Rxf7) 17... Bb4?? { (0.35 → 8.59) Blunder. Bc6 was best. } (17... Bc6 18. Nb5) 18. Rxd7 Qb6 19. Nd5 Qxf2 20. Qe7?? { (8.39 → -6.71) Blunder. Qd3 was best. } (20. Qd3 Rae8) 20... Qxf3?? { (-6.71 → 0.32) Blunder. Bxe7 was best. } (20... Bxe7 21. Nxe7+ Kh7 22. Nh4 Qe3+ 23. R1d2 Qe6 24. b3 a4 25. Nhf5 Rae8 26. Kb2 Qe5+ 27. R2d4) 21. Qxf7+?? { (0.32 → -9.47) Blunder. Nxb4 was best. } (21. Nxb4 Rae8 22. Qc5 axb4 23. Qxb4 Re2 24. R7d2 Rfe8 25. b3 g5 26. Rxe2 Qxe2 27. Qd2 Qf3) 21... Rxf7 22. Rxf7 Kxf7 23. Nxb4 axb4 24. c3 bxc3 25. bxc3 Qxc3+ 26. Kb1 Qb4+ 27. Kc1 Rb8 28. Rd7+ Ke6 29. Rxa7 Qb2+ 30. Kd1 Qb1+ 31. Kd2 Rb2+ 32. Kc3 Qc2+ 33. Kd4 Rxa2 34. Rb7 Qxh2 35. Kc5 Qxg3 36. Rb6+ Kf7 37. Rb7+ Kg6 38. Kd5 Qg5+ 39. Kd6 Rd2+ 40. Ke6 Re2+ 41. Kd6 Qe5+ 42. Kc6 Rc2+ 43. Kb6 Qc5+ 44. Ka6 Qc6+ 45. Rb6 Ra2# { Black wins by checkmate. } 0-1