[Event "2021 West Michigan Championship U1200"] [Site "Grand Rapids Chess Center"] [Date "2021-10-16"] [Round "1"] [White "Guo, Miah"] [Black "Smith, R. Daniel"] [Result "1-0"] [WhiteElo "826"] [BlackElo "472"] [TimeControl "G/90;d5"] [Termination "normal"] [Board "19"] [Annotator "Smith, R. Daniel & Lichess"] [Variant "Standard"] [ECO "C70"] [Opening "Ruy Lopez: Morphy Defense, Caro Variation"] [StudyName "2021 West Michigan Championship"] [ChapterName "Round 1"] [ChapterURL "https://lichess.org/study/zbFNdvQF/Awn4fUd5"] [Orientation "black"] 1. e4 { [%eval 0.28] } 1... e5 { [%eval 0.12] } 2. Nf3 { [%eval 0.17] } 2... Nc6 { [%eval 0.12] } 3. Bb5 { [%eval 0.2] } 3... a6 { [%eval 0.22] } 4. Ba4 { [%eval 0.4] } 4... b5 { [%eval 0.4] } 5. Bb3 { [%eval 0.44] } 5... Nf6 { [%eval 0.42] } 6. O-O { [%eval 0.33] } 6... d5? { [%eval 1.71] } { Mistake. Bb7 was best. } (6... Bb7 7. d3 Bc5 8. a4 O-O 9. Nc3 Na5 10. axb5 axb5 11. Nxe5) 7. exd5 { [%eval 1.65] } 7... Nxd5 { [%eval 1.7] } 8. Re1 { [%eval 1.42] } 8... Bd6?? { [%eval 9.73] } { Blunder. Be7 was best. } (8... f6) (8... Qd6) (8... Be7 9. d4 Nb6 10. Qe2 O-O 11. dxe5 Na5 12. Nc3 Bb7 13. Rd1 Qe8 14. Bd5 Nxd5 15. Nxd5) 9. Bxd5 { [%eval 9.72] } 9... Bb7 { [%eval 10.04] } 10. Bxc6+ { [%eval 9.74] } 10... Bxc6 { [%eval 10.15] } 11. Nxe5 { [%eval 9.98] } 11... Bb7?? { [%eval 12.07] } { I knew that Nxc6 would threaten my queen plus discovered check, but for some reason I failed to consider that White could still move Nc6 even without my bishop there. } (11... Bxe5 12. Rxe5+ Kf8) 12. Nc6+ { [%eval 12.0] } 12... Kd7 { [%eval 12.15] } 13. Nxd8 { [%eval 12.23] } 13... Raxd8 { [%eval 13.07] } 14. Qg4+ { [%eval 12.86] } 14... Kc6 { [%eval 13.07] } 15. Qxg7 { [%eval 13.03] } 15... Rde8 { [%eval 13.07] } { On the off chance my opponent got distracted with offense and allowed ...Rxe1, or Rxe8 Rxe8 ... Re1. } 16. Qc3+ { [%eval 13.0] } 16... Kb6 { [%eval 13.02] } 17. Re3 { [%eval 12.61] } 17... c5 { [%eval 13.16] } 18. Qf6 { [%eval 13.15] } 18... Rd8 { [%eval 13.04] } 19. Nc3 { [%eval 12.92] } 19... Rhg8 { [%eval 13.01] } { Planning ...Bxg2, potentially followed by ...Bh3+. } 20. g3 { [%eval 13.07] } 20... Rd7 { [%eval 13.05] } 21. Ne4 { [%eval 12.34] } 21... Rg6 { [%eval 13.78] } 22. Qf5 { [%eval 13.7] } 22... Be7?? { [%eval 20.0] } { Not realizing the rook was hanging. } (22... Re7 23. Nxd6 Rxe3 24. dxe3 Bc6) (22... Re6 23. Nxd6 Rdxd6 24. Rxe6 fxe6 25. Qxh7) 23. Qxd7 { [%eval 20.47] } 23... Re6 { [%eval 22.62] } 24. d4 { [%eval 19.16] } 24... Bxe4 { [%eval 19.64] } 25. dxc5+ { [%eval 17.92] } 25... Bxc5 { [%eval 18.1] } 26. Qxe6+ { [%eval 17.94] } 26... fxe6 { [%eval 18.0] } 27. Rxe4 { [%eval 18.42] } 27... Kc7 { [%eval 18.3] } 28. Rxe6 { [%eval 18.32] } 28... a5 { [%eval 19.07] } 29. Bf4+ { [%eval 21.42] } 29... Kd7 { [%eval 21.86] } 30. Rae1 { [%eval 20.96] } 30... Bb4 { [%eval 70.83] } 31. R1e4 { [%eval 21.95] } 31... h5 { [%eval 66.01] } 32. R6e5 { [%eval 63.3] } 32... Kc6 { [%eval 76.04] } 33. Rxb4 { [%eval 73.47] } 33... axb4 { [%eval 74.96] } 34. Rxh5 { [%eval 75.21] } 34... Kb6?! { [%eval #14] } { Checkmate is now unavoidable. b3 was best. } (34... b3 35. cxb3 Kb6 36. Bd2 Kc6 37. Be3 Kb7 38. Rxb5+ Kc6 39. a4 Kd6 40. a5 Kc6 41. Rb6+) 35. g4?! { [%eval 85.31] } { Lost forced checkmate sequence. Be3+ was best. } (35. Be3+ Kb7 36. b3 Kc6 37. Rg5 Kb7 38. Rxb5+ Kc6 39. Rxb4 Kd7 40. a4 Kc6 41. a5 Kd7) 35... Ka5?! { [%eval #8] } { Checkmate is now unavoidable. b3 was best. } { Hoping the king and b4 pawn could break open a hole for the b5 pawn. I seem to struggle with recognizing the degree to which a group of opposing pawns can restrict the king’s movement. } (35... b3 36. cxb3) 36. g5 { [%eval #7] } 36... Ka4 { [%eval #3] } 37. g6 { [%eval #6] } 37... b3 { [%eval #6] } 38. cxb3+ { [%eval #5] } 38... Kb4 { [%eval #1] } 39. Bd2# { I saw Bd2+ as a possibility, but failed to realize it would be checkmate. } 1-0