[Event "Dec 19 K-12 Championship"] [Site "https://lichess.org/kyO4UOae"] [Date "2020.12.19"] [White "Sahan2009"] [Black "llamacadabra"] [Result "1-0"] [UTCDate "2020.12.19"] [UTCTime "18:43:00"] [WhiteElo "1348"] [BlackElo "1720"] [WhiteRatingDiff "+40"] [BlackRatingDiff "-47"] [Variant "Standard"] [TimeControl "1800+5"] [ECO "D15"] [Opening "Slav Defense: Three Knights Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 { D15 Slav Defense: Three Knights Variation } Bg4?! { (0.31 → 0.94) Inaccuracy. e6 was best. } (4... e6 5. e3 Nbd7 6. Qc2 Bd6 7. Bd3 dxc4 8. Bxc4 O-O 9. O-O) 5. Bf4 e6 6. h3?! { (0.83 → -0.09) Inaccuracy. Ne5 was best. } (6. Ne5 Bf5 7. Qb3 Qb6 8. c5 Qxb3 9. axb3 Nbd7 10. Nf3 Be7) 6... Bh5?! { (-0.09 → 0.71) Inaccuracy. Bxf3 was best. } (6... Bxf3 7. exf3 Bd6 8. Be5 O-O 9. f4 c5 10. dxc5 Bxc5 11. cxd5) 7. e3 Bb4 8. a3 Bxc3+ 9. bxc3 O-O 10. g4 Bg6 11. Ne5 Nbd7 12. Nxg6 fxg6?! { (-0.21 → 0.48) Inaccuracy. hxg6 was best. } (12... hxg6 13. Qb3 dxc4 14. Bxc4 Nb6 15. Bd3 c5 16. Be5 c4 17. Bxc4 Nxc4 18. Qxc4 Rc8 19. Qb3) 13. f3? { (0.48 → -0.99) Mistake. Bd3 was best. } (13. Bd3 dxc4) 13... Re8?! { (-0.99 → 0.01) Inaccuracy. dxc4 was best. } (13... dxc4 14. Bxc4 Nd5 15. O-O g5 16. Bxd5 cxd5 17. Bg3 Rf7 18. a4 Nb6 19. Qc2 Rc8 20. e4) 14. g5?! { (0.01 → -1.00) Inaccuracy. Kf2 was best. } (14. Kf2 e5) 14... Nh5 15. Bd6?? { (-1.05 → -3.63) Blunder. h4 was best. } (15. h4 Nxf4 16. exf4 Qc7 17. Qd2 Rf8 18. Bh3 Rae8 19. cxd5 exd5+ 20. Kf2 Nb6 21. Rae1 Nc4) 15... e5?? { (-3.63 → -1.00) Blunder. Qxg5 was best. } (15... Qxg5) 16. h4?? { (-1.00 → -3.00) Blunder. Rg1 was best. } (16. Rg1 Re6) 16... exd4?? { (-3.00 → 0.00) Blunder. Ng3 was best. } (16... Ng3 17. Kf2 Nxh1+ 18. Kg2 exd4 19. exd4 dxc4 20. Bxc4+ Kh8 21. Bb3 a5 22. a4 b5 23. Bf7) 17. cxd4?! { (0.00 → -0.98) Inaccuracy. Qxd4 was best. } (17. Qxd4 Nf8 18. Bh2 Ne6 19. Qd2 d4 20. cxd4 Nxd4 21. Kf2 Nf5 22. Qxd8 Raxd8 23. e4 Rd2+) 17... Rxe3+ 18. Be2?? { (-0.38 → -6.05) Blunder. Kf2 was best. } (18. Kf2 Nb6 19. c5 Re6 20. Bh2 Nc4 21. Bh3 Re8 22. Re1 Rxe1 23. Qxe1 h6 24. Qe6+ Kh7) 18... Nb6 19. c5 Nc4 20. Kf2 Re6?? { (-6.95 → -2.42) Blunder. Nxd6 was best. } (20... Nxd6 21. Kxe3 Nf5+ 22. Kd2 Qa5+ 23. Kc1 Qc3+ 24. Kb1 Nf4 25. Ra2 Re8 26. Rh2 Nxd4 27. Rd2) 21. Bh2?! { (-2.42 → -3.91) Inaccuracy. Bxc4 was best. } (21. Bxc4 dxc4 22. Be5 Qd5 23. Re1 b6 24. cxb6 axb6 25. a4 Re7 26. Qc2 Rf8 27. Re3 b5) 21... Ne3 22. Qb3 b6? { (-4.35 → -2.20) Mistake. Qf8 was best. } (22... Qf8 23. Bd6 Qf7 24. Qxe3 Rxe3 25. Kxe3 Re8+ 26. Kd2 Nf4 27. Rae1 Ng2 28. Rb1 h5 29. Rb3) 23. Rab1?? { (-2.20 → -5.18) Blunder. Be5 was best. } (23. Be5 Nf5 24. Bd3 Qf8 25. Bxf5 Qxf5 26. cxb6 axb6 27. Rae1 b5 28. Re3 Ra4 29. Rhe1 Qh3) 23... bxc5? { (-5.18 → -3.15) Mistake. Qe7 was best. } (23... Qe7) 24. dxc5 Kf7?? { (-2.63 → 1.08) Blunder. Nf5 was best. } (24... Nf5 25. Rhe1 Qf8 26. Qc3 Nxh4 27. Ba6 Rxe1 28. Rxe1 Qf5 29. Qe3 Rf8 30. Qe6+ Qxe6 31. Rxe6) 25. Qb7+ Re7 26. Qxc6 d4?? { (1.62 → 5.44) Blunder. Rc8 was best. } (26... Rc8 27. Qb5) 27. Rb7 Rxb7 28. Qxb7+ Ke8 29. Bb5+ Kf8 30. Bd6+ Kg8 31. Be5? { (8.76 → 4.97) Mistake. Bc6 was best. } (31. Bc6 Rc8 32. Bd7 Rxc5 33. Bxc5 h6 34. Qc8 Qxc8 35. Bxc8 Nf4 36. Bxd4 Ned5 37. Ba6 hxg5) 31... Nf5?! { (4.97 → 8.48) Inaccuracy. h6 was best. } (31... h6 32. gxh6) 32. Bc4+ Kh8 33. Bd5 d3?! { (5.90 → 11.77) Inaccuracy. Rc8 was best. } (33... Rc8 34. c6 Ne7 35. Be4 h6 36. gxh6 Kh7 37. hxg7 d3 38. g8=Q+ Kxg8 39. Rd1 Qe8 40. c7) 34. Qxa8 Qxa8 35. Bxa8 d2 36. Rd1 Nxh4?! { (14.78 → Mate in 11) Checkmate is now unavoidable. Kg8 was best. } (36... Kg8 37. c6 Kf7 38. c7 Ne7 39. Rxd2 h6 40. Rd8 Nf6 41. gxf6 gxf6 42. Bd6 h5 43. Bxe7) 37. Rxd2?! { (Mate in 11 → 16.49) Lost forced checkmate sequence. c6 was best. } (37. c6 Nf5 38. Rxd2 h6 39. c7 Ne7 40. Rd7 Nc8 41. Rd8+ Kh7 42. Rxc8 hxg5 43. Rd8 g4) 37... Nf5?! { (16.49 → Mate in 1) Checkmate is now unavoidable. h6 was best. } (37... h6 38. gxh6 Nf5 39. c6 Nxh6 40. c7 Nf7 41. c8=Q+ Kh7 42. Ba1 Nf6 43. Qc7 Kg8 44. Qc4) 38. Rd8# { White wins by checkmate. } 1-0