[Event "15th COTS 2024 Intl. Tourn."] [Site "https://lichess.org/zHe68W3N"] [Date "2024.05.05"] [White "Eric_Mordido"] [Black "vitsky2020"] [Result "1-0"] [UTCDate "2024.05.05"] [UTCTime "14:56:02"] [WhiteElo "2453"] [BlackElo "2396"] [WhiteRatingDiff "+25"] [BlackRatingDiff "-16"] [Variant "Standard"] [TimeControl "600+0"] [ECO "E15"] [Opening "Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation, Nimzowitsch Attack"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 { E15 Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation, Nimzowitsch Attack } Bb7 6. Bg2 Be7 7. O-O O-O 8. Nc3 Ne4 9. Qc2 f5 10. Ne5 Nd6 11. Bxb7 Nxb7 12. e4 d6 13. Nd3 Nc6 14. Be3 fxe4 15. Nxe4?! { (1.23 → 0.60) Inaccuracy. Nf4 was best. } (15. Nf4 Qd7 16. Qxe4 Ncd8 17. Rae1 Bf6 18. Nh5 c6 19. Nxf6+ Rxf6 20. d5 Nc5 21. Qb1 cxd5) 15... e5?! { (0.60 → 1.60) Inaccuracy. Qd7 was best. } (15... Qd7) 16. d5 Nb8 17. f4 Nd7 18. f5 h6 19. b4 a5 20. a3?! { (1.34 → 0.69) Inaccuracy. b5 was best. } (20. b5 Nf6 21. Ndf2 Nh7 22. Nh3 Nf6 23. Kh1 Rf7 24. Nxf6+ Bxf6 25. g4 Qe7 26. Rg1 Raf8) 20... Nf6 21. Ndf2 axb4 22. axb4 Rxa1 23. Rxa1 Nxe4 24. Qxe4 Bg5 25. Bxg5 Qxg5 26. Ra7 Rb8? { (0.99 → 2.74) Mistake. Nd8 was best. } (26... Nd8 27. Rxc7 h5 28. h4 Qxg3+ 29. Qg2 Qxg2+ 30. Kxg2 Rxf5 31. Rc8 Rf8 32. Ne4 Nf7 33. Rc6) 27. Kg2 Kf8 28. h4 Qe7?! { (2.73 → 3.49) Inaccuracy. Qh5 was best. } (28... Qh5 29. f6 Kg8 30. fxg7 Kxg7 31. Qd3 Qg6 32. Qe2 h5 33. Ne4 Kg8 34. Kh3 Kg7 35. g4) 29. Qg4 Nd8 30. Ne4 b5?! { (3.37 → 5.10) Inaccuracy. Qf7 was best. } (30... Qf7 31. Nxd6 cxd6 32. Rxf7+ Nxf7 33. Qe2 Kg8 34. Qe3 h5 35. Qe2 Rc8 36. Qxh5 Rxc4 37. b5) 31. c5 dxc5?! { (4.88 → 6.90) Inaccuracy. h5 was best. } (31... h5 32. Qxh5 Qf7 33. Qh8+ Qg8 34. Qxg8+ Kxg8 35. c6 Rc8 36. Nc3 Nf7 37. Nxb5 Nh6 38. Rxc7) 32. bxc5?! { (6.90 → 4.55) Inaccuracy. d6 was best. } (32. d6 Qd7 33. dxc7 Rc8 34. cxd8=Q+ Rxd8 35. Rxd7 Rxd7 36. f6 Ra7 37. fxg7+ Rxg7 38. Qc8+ Ke7) 32... Nb7?! { (4.55 → 6.31) Inaccuracy. Qf7 was best. } (32... Qf7 33. d6 Rc8 34. f6 Ne6 35. dxc7 gxf6 36. Nd6 Qd7 37. Qg6 b4 38. Qxf6+ Kg8 39. Qg6+) 33. f6 gxf6 34. Rxb7 Rxb7 35. Qc8+ Kf7 36. Qxb7 f5 37. d6 cxd6 38. Nxd6+ Ke6 39. Qxe7+ Kxe7 40. Nxb5 Ke6 41. c6 h5? { (7.48 → Mate in 34) Checkmate is now unavoidable. Ke7 was best. } (41... Ke7 42. c7 Kd7 43. Kf2 Kc8 44. Kf3 Kd7 45. Ke3 Kc8 46. Kd3 Kd7 47. Kc4 e4 48. Kd4) 42. Kf3 Ke7 43. Ke3 Ke6 44. c7 Kd7 45. c8=Q+ Kxc8 46. Nd6+ Kd7 47. Nxf5 Ke6 48. Ke4 Kf6 49. Nd6 Ke6 50. Nc4 Ke7 51. Kxe5 Kf7 52. Kf5 Kg7 53. Kg5 { Black resigns. } 1-0