[Event "2023 Toronto Closed Development Section"] [Site "https://lichess.org/study/doHpm2pf/D7AvtZ4G"] [Date "April 17 2023"] [Round "1"] [White "Saimovici, Gabriel"] [Black "McArthur, Beau"] [Result "1-0"] [WhiteElo "1149"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "A05"] [Opening "King's Indian Attack: Symmetrical Defense"] [Termination "Unknown"] [Annotator "lichess.org"] 1. Nf3 Nf6 2. g3 g6 { A05 King's Indian Attack: Symmetrical Defense } 3. Bg2 Bg7 4. O-O c5 5. d3 Nc6 6. e4 d6 7. c3 O-O 8. Re1 a6 9. Be3 b5 10. e5 Nd5 11. Qd2?! { (-0.30 → -0.93) Inaccuracy. exd6 was best. } (11. exd6 Qxd6) 11... Nxe3 12. Qxe3 Rb8 13. e6?? { (-0.67 → -2.87) Blunder. exd6 was best. } (13. exd6 exd6) 13... Bxe6 14. Ng5?! { (-2.73 → -3.48) Inaccuracy. a3 was best. } (14. a3) 14... Bd7 15. Ne4 b4 16. Rc1 bxc3 17. bxc3 d5?! { (-3.99 → -2.77) Inaccuracy. Nd4 was best. } (17... Nd4 18. Nbd2 Nf5 19. Qe1 Bb5 20. Qe2 Qc7 21. h4 e6 22. h5 d5 23. Ng5 Bd7 24. hxg6) 18. Nxc5 Qc8?? { (-2.88 → 0.00) Blunder. Bf5 was best. } (18... Bf5 19. Nxa6 Rc8 20. d4 e5 21. dxe5 Nxe5 22. Nb4 d4 23. Qd2 Re8 24. Na3 dxc3 25. Qxd8) 19. Bxd5 Re8?! { (0.28 → 1.07) Inaccuracy. e6 was best. } (19... e6 20. Bb3 Ne7 21. Nxd7 Qxd7 22. Nd2 Rfc8 23. d4 Nd5 24. Bxd5 Qxd5 25. Qe2 a5 26. Ne4) 20. Qf3?? { (1.07 → -5.10) Blunder. Nd2 was best. } (20. Nd2) 20... e6?? { (-5.10 → -0.56) Blunder. Ne5 was best. } (20... Ne5 21. Qe3 Ng4 22. Qf3 Qxc5 23. Bxf7+ Kh8 24. Bxe8 Rxe8 25. Qe2 Rf8 26. Rf1 Qd5 27. f3) 21. Nxd7 exd5 22. Nxb8 Nxb8?? { (-0.53 → 5.40) Blunder. Nd4 was best. } (22... Nd4) 23. Qxd5 Nc6 24. d4?? { (5.66 → 0.00) Blunder. Nd2 was best. } (24. Nd2 Ne5 25. d4 Nd3 26. Rf1 Qxc3 27. Rad1 Nb4 28. Qb3 Bxd4 29. Nf3 Qxb3 30. axb3 Bb6) 24... Nb4?? { (0.00 → 5.29) Blunder. Nxd4 was best. } (24... Nxd4 25. Kg2 Bh6 26. Nd2 Bxd2 27. Qxd4 Qb7+ 28. Kg1 Bxc1 29. Rxc1 Qb2 30. Qd1 Qxa2 31. c4) 25. Qb3?? { (5.29 → 1.49) Blunder. Qc5 was best. } (25. Qc5 Qxc5 26. dxc5 Nd3 27. Rd1 Nxc5 28. Nd2 Na4 29. Re1 Rd8 30. Ne4 f5 31. Ng5 Nxc3) 25... Nd3? { (1.49 → 3.31) Mistake. Bxd4 was best. } (25... Bxd4 26. Qxb4) 26. Rf1 Re1?? { (3.66 → 8.47) Blunder. Qf5 was best. } (26... Qf5 27. Nd2) 27. Nd2?! { (8.47 → 5.45) Inaccuracy. Rxe1 was best. } (27. Rxe1 Nxe1 28. Qd1 Bxd4 29. Qxe1 Ba7 30. Nd2 Qxc3 31. Ne4 Qf3 32. Rb1 h5 33. Nd2 Qc3) 27... Re2 28. Nf3 Qf5 29. Kg2?? { (5.36 → 1.01) Blunder. Qb8+ was best. } (29. Qb8+ Bf8 30. Qa8 a5 31. Nh4 Qe6 32. Rad1 Qc4 33. Qf3 Nb2 34. Rb1 a4 35. Ng2 a3) 29... g5?? { (1.01 → 5.07) Blunder. Rb2 was best. } (29... Rb2 30. Qd1) 30. Qd1?? { (5.07 → -4.23) Blunder. Qb7 was best. } (30. Qb7) 30... g4?? { (-4.23 → 11.09) Blunder. Qe4 was best. } (30... Qe4 31. h3 h5 32. Rb1 g4 33. Rb8+ Bf8 34. Qxe2 Qxe2 35. hxg4 hxg4 36. Nh4 Ne1+ 37. Kg1) 31. Qxe2 gxf3+ 32. Qxf3 Qg6 33. Rfd1 Nb2 34. Re1 f6 35. Rab1 Nc4 36. Qd5+ Qf7 37. Rb8+ Bf8 38. Re6 Kg7 39. Qxc4 Bd6 40. Rc8 Kg6?! { (18.66 → Mate in 9) Checkmate is now unavoidable. Bf8 was best. } (40... Bf8 41. Qc7 Qxc7 42. Rxc7+ Kg6 43. d5 h5 44. Rc8 Bh6 45. d6 Kf5 46. Re7 Bg5 47. d7) 41. Rxd6?! { (Mate in 9 → 71.29) Lost forced checkmate sequence. Qd3+ was best. } (41. Qd3+ Kg7 42. Rxd6 h5 43. Qf5 h4 44. Qg4+ Kh7 45. Rd7 h3+ 46. Qxh3+ Kg6 47. Qg4+ Kh7) 41... Qb7+?! { (71.29 → Mate in 6) Checkmate is now unavoidable. Qxc4 was best. } (41... Qxc4 42. Rxc4 Kf5 43. Rc5+ Ke4 44. Rxf6 Kd3 45. Rxa6 Kc2 46. Rh6 Kb1 47. Rxh7 Kxa2 48. d5) 42. Rd5?! { (Mate in 6 → 55.25) Lost forced checkmate sequence. Rcc6 was best. } (42. Rcc6 Qxc6+ 43. Qxc6 Kg7 44. Rxf6 h5 45. Rg6+ Kf8 46. Qe6 h4 47. Rg8#) 42... Qe7?! { (55.25 → Mate in 5) Checkmate is now unavoidable. a5 was best. } (42... a5 43. f3 Qf7 44. Rxa5 Qxc4 45. Rxc4 Kh6 46. Rc7 Kg6 47. Ra6 h5 48. d5 Kf5 49. Re7) 43. Qd3+ f5 44. Qxf5+ Kh6 45. Qh5+ Kg7 46. Rg5+ Kf6 47. Qh6+ Kf7 48. Rg7# { White wins. } 1-0