[Event "National K-12 Grade Championships 2022"]
[Site "National Harbor, Maryland, Uni"]
[Date "2022.12.10"]
[Round "3.8"]
[White "Clasby, Derek"]
[Black "Peterson, Ryan"]
[Result "1/2-1/2"]
[WhiteElo "2354"]
[BlackElo "2109"]
[Variant "Standard"]
[ECO "C49"]
[Opening "Four Knights Game: Spanish Variation, Double Spanish"]
[StudyName "K-12 Grade Championships"]
[ChapterName "Clasby, Derek - Peterson, Ryan"]
[ChapterURL "https://lichess.org/study/D59ifJA3/eQ2t8u5Q"]
[Annotator "https://lichess.org/@/ChessLifeOnline"]
[Orientation "white"]
1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. Nd5 Be7 7. Re1 d6 8. h3 Nxd5 9. exd5 Nb8 10. d4 a6 11. Bd3 exd4 12. Qe2 Bf6 13. Qe4 (13. Bh6!! { This is a really interesting idea. } 13... Be5 { Black lacks any reasonable move and White's attack continues to strengthen. } (13... gxh6 { The piece has immunity on h6, because now White wins after } 14. Qe4 $18 Re8 15. Qxh7+ Kf8 16. Qxh6+ Kg8 17. Bh7+ Kh8 18. Bg6+ Kg8 19. Qh7+ Kf8 20. Qxf7#) 14. Bg5 f6 (14... Bf6 15. Qe4 g6 16. Qh4 Nd7 17. Re4 $16)) 13... g6 14. Bh6 Bg7 15. Bg5 f6 16. Bh4 Nd7 17. b4?! { White elects to keep the light-squared bishop on the board, but allows Black to liquidate after } (17. Nxd4 Nc5 18. Qf3 Nxd3 19. Qxd3 g5 20. Bg3 f5 21. f4! { White could continue probing weaknesses in Black's structure, even without a light-squared bishop. }) 17... Ne5 18. Nxd4 f5! { The queen trade gets Black out of danger, and the trade of pieces helps Black too. } 19. Qf4 Bf6 20. Bxf6 Qxf6 21. h4 Bd7 22. Bf1 Rae8 23. c3 Kg7 24. Qg5 Qf7 25. Rad1?! (25. h5 h6 26. hxg6 hxg5 27. gxf7 Rxf7 28. f3 $17) 25... h6?! (25... f4 { Black is now in serious danger. } 26. f3?? h6 { This is the main point. }) 26. Qf4 Qf6 27. Nf3 Nxf3+ 28. gxf3 b5?! (28... g5! { Black's last chance to keep winning chances alive. } 29. Qc4 Rc8 { This may appear passive, but Black threatens to push ...c7-c5 and play the full board against White's exposed monarch. }) 29. Qd4 Qxd4 30. cxd4 c6 31. f4 cxd5 32. Bg2 Rxe1+ 33. Rxe1 Kf6 34. Rc1 Rc8 35. Rxc8 Bxc8 $10 36. Kh2 Be6 37. Kg3 h5 38. Kf3 Bd7 39. Ke3 Ke6 40. Kd3 Bc6 41. Kc3 Bb7 42. a4 Bc6 43. Bf1 Bd7 44. Kb2 Bc6 45. Ka3 Bd7 46. Bd3 Bc6 47. Bc2 Bd7 48. Bb3 Bc6 49. Kb2 bxa4 50. Bd1 Kd7 51. Ka3 Kc7 52. Bc2 Kb6 53. Bxa4 Bb5 54. Bb3 Bc4 55. Bd1 a5 56. Ka4 Bb5+ 57. Ka3 Bc4 58. Bc2 Bb5 59. Kb3 Bc4+ 60. Ka4 Bb5+ 61. Kb3 Bc4+ 62. Kc3 Kb5 63. bxa5 Kxa5 64. Bd1 Bb5 65. Bb3 Bc6 66. Ba2 Ka4 67. Bb1 Ka5 68. Kb3 Kb6 69. Kb4 Ka6 70. Bc2 Kb6 71. Bd3 Bb7 72. Bb5 Bc6 73. Bxc6 Kxc6 74. Ka5 Kc7 75. Ka6 Kc6 76. Ka5 Kb7 77. Kb5 Kc7 78. Ka6 Kc6 79. f3 Kc7 { 1/2-1/2 The game is a draw. } 1/2-1/2