[Event "SG Barnstorf 26.04 Arena"] [Site "https://lichess.org/irFQQyHX"] [Date "2021.04.26"] [White "J_Meyer_Barnstorf"] [Black "dleschach"] [Result "1-0"] [UTCDate "2021.04.26"] [UTCTime "18:04:18"] [WhiteElo "1671"] [BlackElo "1210"] [WhiteRatingDiff "+4"] [BlackRatingDiff "-3"] [Variant "Standard"] [TimeControl "1200+0"] [ECO "C42"] [Opening "Petrov's Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nf6 { C42 Petrov's Defense } 3. d3 Bc5?! { (-0.13 → 0.94) Inaccuracy. Nc6 was best. } (3... Nc6 4. g3 d5 5. exd5 Nxd5 6. Bg2 Bg4 7. Nc3 Nxc3 8. bxc3) 4. Be2?! { (0.94 → -0.01) Inaccuracy. Nxe5 was best. } (4. Nxe5 Qe7 5. Nf3 d5 6. e5 d4 7. Be2 Nfd7 8. c3 Nc6) 4... d6 5. h3 Nbd7 6. Bd2 O-O 7. b4 Bd4?? { (-0.23 → 1.60) Blunder. Bb6 was best. } (7... Bb6) 8. Nc3? { (1.60 → -0.05) Mistake. Nxd4 was best. } (8. Nxd4) 8... b6? { (-0.05 → 1.27) Mistake. c6 was best. } (8... c6 9. O-O) 9. O-O?! { (1.27 → 0.20) Inaccuracy. Nxd4 was best. } (9. Nxd4 exd4) 9... Bb7? { (0.20 → 1.57) Mistake. a6 was best. } (9... a6 10. Re1) 10. Rb1? { (1.57 → -0.06) Mistake. Nxd4 was best. } (10. Nxd4 exd4 11. Nb5 d5 12. exd5 Nxd5 13. Nxd4 Qf6 14. Nb3 Nc3 15. Bxc3 Qxc3 16. Qd2 Qxd2) 10... Nh5?? { (-0.06 → 3.88) Blunder. Bxc3 was best. } (10... Bxc3) 11. Nxd4 exd4 12. Bxh5 dxc3 13. Bxc3 c5 14. bxc5 dxc5 15. Qg4? { (3.38 → 1.77) Mistake. f4 was best. } (15. f4) 15... g6?? { (1.77 → 4.23) Blunder. Nf6 was best. } (15... Nf6 16. Qh4) 16. Qg3 c4 17. Be2 Nc5 18. Qe5?! { (4.34 → 3.29) Inaccuracy. f4 was best. } (18. f4 Re8 19. Rbd1 cxd3 20. cxd3 Bxe4 21. dxe4 Nxe4 22. Rxd8 Nxg3 23. Rxe8+ Rxe8 24. Bb5 Rd8) 18... f6 19. Qg3 Na4?! { (2.65 → 3.64) Inaccuracy. Rc8 was best. } (19... Rc8) 20. Bb4 b5?? { (3.42 → 6.98) Blunder. Rf7 was best. } (20... Rf7 21. Bg4 Bc8 22. Bf3 Bb7 23. e5 fxe5 24. Bxb7 Rxb7 25. Rfe1 cxd3 26. cxd3 Rf7 27. Rxe5) 21. Bxf8 Qxf8 22. Rxb5?! { (6.67 → 4.52) Inaccuracy. d4 was best. } (22. d4) 22... Nc3 23. Qc7 Nxb5?! { (4.48 → 6.42) Inaccuracy. Nxe2+ was best. } (23... Nxe2+ 24. Kh1) 24. Qxb7 Nd4?! { (5.13 → 8.05) Inaccuracy. Nd6 was best. } (24... Nd6 25. Qd5+) 25. Qd5+ Kh8 26. Qxd4 a5 27. Qxc4 Qa3 28. Qd5 Rg8 29. Qd4 Kg7 30. Qd7+ Kh6 31. f4 Rg7 32. Qg4 Qc5+ 33. Kh1 a4? { (8.71 → Mate in 9) Checkmate is now unavoidable. Rf7 was best. } (33... Rf7 34. Qe6 Rf8 35. c4 a4 36. Kh2 Kg7 37. Qd5 Qc7 38. c5 Rd8 39. Qc4 Re8 40. Bg4) 34. Qh4+ Qh5 35. Bxh5 gxh5?! { (15.76 → Mate in 6) Checkmate is now unavoidable. Rf7 was best. } (35... Rf7 36. e5) 36. f5?! { (Mate in 6 → 35.61) Lost forced checkmate sequence. Qxf6+ was best. } (36. Qxf6+ Rg6 37. Qf8+ Rg7 38. Rb1 h4 39. Rb6+ Kh5 40. Qf5+ Rg5 41. Qxh7#) 36... Rxg2?! { (35.61 → Mate in 4) Checkmate is now unavoidable. Rg5 was best. } (36... Rg5 37. Kh2) 37. Kxg2 Kg7 38. Qxh5 h6 39. Qg6+ Kh8 40. Qxf6+ Kh7 41. Rf4 a3 42. Rh4 Kg8 43. Qxh6 Kf7 44. Qe6+ Kg7 45. Rh6 Kf8 46. Qa6 Kf7 47. Rb6 Kg7 48. Qa7+ Kh8 49. Rb8# { White wins by checkmate. } 1-0