[Event "April Swiss 2024 (CA)"] [Site "Santa Monica Bay Chess Club"] [Date "2024.04.16"] [Round "2"] [White "Matt Souza"] [Black "Michael John Quist"] [Result "0-1"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "A30"] [Opening "English Opening: Symmetrical Variation"] [Termination "Unknown"] [Annotator "lichess.org"] 1. c4 c5 2. Nf3 { A30 English Opening: Symmetrical Variation } Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. e4 Bg7 7. Be3 O-O 8. Be2 d6 9. f3 Re8 10. Qd2 Nd7 11. O-O?! { (0.94 → 0.11) Inaccuracy. O-O-O was best. } (11. O-O-O Nxd4) 11... a6?! { (0.11 → 1.13) Inaccuracy. Bxd4 was best. } (11... Bxd4) 12. Rac1?! { (1.13 → 0.45) Inaccuracy. Nc2 was best. } (12. Nc2) 12... Qc7?! { (0.45 → 1.27) Inaccuracy. Nxd4 was best. } (12... Nxd4 13. Bxd4 Bxd4+ 14. Qxd4 Qb6 15. Qxb6 Nxb6 16. Nd5 Nxd5 17. cxd5 e6 18. Bc4 Kf8 19. Bb3) 13. Rfd1 Nc5? { (0.79 → 2.13) Mistake. Bxd4 was best. } (13... Bxd4 14. Bxd4 Nxd4 15. Qxd4 Nf6 16. f4 Bg4 17. Bxg4 Nxg4 18. Nd5 Qc6 19. e5 Nh6 20. exd6) 14. Nd5 Qd8 15. b4 Ne6?! { (2.12 → 2.87) Inaccuracy. Na4 was best. } (15... Na4 16. c5) 16. Nxe6 Bxe6 17. Bb6?! { (2.36 → 1.73) Inaccuracy. f4 was best. } (17. f4 Rc8 18. Nb6 Rc7 19. h3 Nb8 20. Bd3 f5 21. a4 Nd7 22. a5 fxe4 23. Bxe4 Kh8) 17... Qc8?! { (1.73 → 2.53) Inaccuracy. Qd7 was best. } (17... Qd7 18. f4 Bxd5 19. cxd5 Na7 20. Rc7 Qa4 21. Rdc1 Nb5 22. Bd1 Qa3 23. R7c4 Bb2 24. R1c2) 18. Nc7?! { (2.53 → 1.87) Inaccuracy. Kh1 was best. } (18. Kh1 Rb8 19. f4 Qd7 20. b5 Rec8 21. a4 Bh6 22. Be3 Bxd5 23. exd5 Nd8 24. a5 e6) 18... Bd4+ 19. Bxd4 Qxc7 20. Ba1 Qb6+ 21. Kh1 f6 22. Qh6 Rad8?! { (0.88 → 1.88) Inaccuracy. Ne5 was best. } (22... Ne5 23. a3) 23. a3?! { (1.88 → 1.19) Inaccuracy. f4 was best. } (23. f4 Qe3 24. Bf3 Qf2 25. b5 axb5 26. cxb5 Nb8 27. f5 Bf7 28. Bg4 Nd7 29. Rd2 Qb6) 23... Qf2 24. Bf1 Qa2?? { (0.81 → 4.78) Blunder. g5 was best. } (24... g5 25. Bc3 Rc8 26. c5 dxc5 27. bxc5 Qh4 28. Qxh4 gxh4 29. Kg1 Kf7 30. f4 Red8 31. f5) 25. h4?? { (4.78 → 0.60) Blunder. Qe3 was best. } (25. Qe3 Ne5 26. Rd2 Nxc4 27. Bxc4 Qxc4 28. Rxc4 Bxc4 29. h4 Rc8 30. Bb2 b5 31. f4 Be6) 25... Qxa3 26. f4?! { (1.45 → 0.46) Inaccuracy. Rd3 was best. } (26. Rd3 Qxb4) 26... Bf7?! { (0.46 → 1.35) Inaccuracy. Bg4 was best. } (26... Bg4) 27. h5 Qg3 28. Rd3 Qg4 29. Rh3?? { (2.50 → -0.42) Blunder. hxg6 was best. } (29. hxg6) 29... g5 30. b5?? { (-0.41 → -4.39) Blunder. fxg5 was best. } (30. fxg5 Qf4 31. Rb1 Ne5 32. Bxe5 dxe5 33. Kg1 fxg5 34. Rf3 Rd6 35. Rxf4 Rxh6 36. Rf5 Rxh5) 30... Qxf4 31. Rf3?! { (-4.20 → -5.93) Inaccuracy. Rb1 was best. } (31. Rb1 axb5 32. Rf3 Qg4 33. Rf2 Qxh5+ 34. Qxh5 Bxh5 35. cxb5 Ne5 36. Bxe5 dxe5 37. b6 Rd6) 31... Qxc1 32. Bxf6 exf6 33. Qxf6 Bxh5 34. Rf5 Ne5 35. Rxg5+ Bg6 36. Kh2 Qd1 37. Kg3 Rf8 38. Qe6+ Kg7 39. Qe7+ Kh8 40. bxa6 bxa6 41. c5 Qxf1 42. cxd6?! { (-48.14 → Mate in 9) Checkmate is now unavoidable. Kh2 was best. } (42. Kh2 Qf4+) 42... Qd3+? { (Mate in 9 → -9.79) Lost forced checkmate sequence. Qf4+ was best. } (42... Qf4+ 43. Kh3 Nd3 44. Qa7 Qxg5 45. Qd4+ Ne5 46. Qb2 Rf1 47. g4 Qxg4+ 48. Kh2 Qh4+ 49. Kg2) 43. Kh2 Qxd6 { Black wins. } 0-1