[Event "2023 Eastern Open R5"] [Site "lichess.org"] [Date "2023.12.28"] [Round "5"] [White "Lukas William Lebakken"] [Black "Abigail Zhou"] [Result "1-0"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "D60"] [Opening "Queen's Gambit Declined: Orthodox Defense, Botvinnik Variation"] [Termination "Unknown"] [Annotator "lichess.org"] 1. Nf3 d5 2. c4 e6 3. d4 Be7 4. Nc3 Nf6 5. Bg5 O-O 6. e3 Nbd7 7. Bd3 { D60 Queen's Gambit Declined: Orthodox Defense, Botvinnik Variation } dxc4 8. Bxc4 b6 9. e4 Bb7 10. Qe2?! { (-0.21 → -0.78) Inaccuracy. e5 was best. } (10. e5 Ne4) 10... c5?! { (-0.78 → 0.11) Inaccuracy. Nxe4 was best. } (10... Nxe4 11. Nxe4) 11. d5?! { (0.11 → -0.53) Inaccuracy. Rd1 was best. } (11. Rd1 h6) 11... exd5 12. exd5 h6 13. Bf4 Re8 14. O-O a6 15. a4 Bd6 16. Qd2 Qc7?! { (-0.42 → 0.13) Inaccuracy. Ne4 was best. } (16... Ne4 17. Nxe4 Rxe4 18. Bxd6 Rxc4 19. Bg3 Nf6 20. d6 Bxf3 21. gxf3 Rd4 22. Qc2 Ne8 23. Rfd1) 17. Bxd6 Qxd6 18. Rfe1 Ne5 19. Nxe5 Rxe5 20. Rxe5 Qxe5 21. Re1 Qd6 22. h3 Rd8 23. Ba2 Kh8 24. Ne4 Nxe4 25. Rxe4 Kh7 26. Re3 Kg8 27. Qd3 Qf6 28. d6 g6?? { (-0.36 → 4.44) Blunder. Bc6 was best. } (28... Bc6 29. Qxa6 Rxd6 30. Bb3 h5 31. Qe2 Qg5 32. f3 Rd4 33. Rd3 Qc1+ 34. Rd1 Qf4 35. Rxd4) 29. Re7 Rxd6 30. Rxf7 Rxd3 31. Rxf6+ Bd5 32. Rd6 Bxa2?! { (4.21 → 5.52) Inaccuracy. Rd4 was best. } (32... Rd4 33. Bxd5+ Kf8 34. Rxg6 Rxd5 35. Rxb6 Rd2 36. Rxa6 Rxb2 37. Rc6 Rb1+ 38. Kh2 Ra1 39. Rxc5) 33. Rxd3 b5 34. Rd6 bxa4 35. Rxg6+ Kh7 36. Rxa6 Bb3 37. Rc6 c4 38. Kf1 Bc2 39. Ke2 Bb3 40. Kd2 Kg7 41. Kc3 h5 42. Rxc4 Bxc4 43. Kxc4 Kf7 44. Kb4 Ke7 45. Kxa4 Kd7 46. Ka5 Kc7 47. Ka6 Kb8 48. b3 Ka8 49. b4 Kb8 50. b5?! { (Mate in 32 → 13.06) Lost forced checkmate sequence. h4 was best. } (50. h4 Kc7 51. b5 Kc8 52. b6 Kd7 53. b7 Kc7 54. Ka7 Kc6 55. b8=Q Kd5 56. Qb5+ Ke4) 50... Ka8?! { (13.06 → Mate in 24) Checkmate is now unavoidable. Kc7 was best. } (50... Kc7 51. Ka7 Kd6 52. b6 Kd5 53. b7 Kd4 54. b8=Q Kd5 55. Kb6 Kd4 56. f4 h4 57. f5) 51. b6 Kb8 52. b7?! { (Mate in 20 → 17.09) Lost forced checkmate sequence. h4 was best. } (52. h4 Ka8 53. b7+ Kb8 54. f3 Kc7 55. Ka7 Kd6 56. b8=Q+ Kd5 57. Qb5+ Kd4 58. Qxh5 Kc4) 52... h4 53. f3 Kc7 54. Ka7 Kd6 55. b8=Q+ Ke6 56. Qf4 Kd5 57. Kb6 Ke6 58. Kc5 Ke7 59. Kd5 Ke8 60. Kd6 Kd8 61. Qf8# { White wins. } 1-0