[Event "KIDh3 Arena"] [Site "https://lichess.org/Wc8O8EPs"] [Date "2020.11.08"] [White "Tarrasch_principle"] [Black "Alexrich71"] [Result "1-0"] [UTCDate "2020.11.08"] [UTCTime "08:17:03"] [WhiteElo "2403"] [BlackElo "2095"] [WhiteRatingDiff "+3"] [BlackRatingDiff "-1"] [Variant "From Position"] [TimeControl "420+2"] [ECO "?"] [Opening "?"] [Termination "Normal"] [FEN "rnbqk2r/ppp1ppbp/3p1np1/8/2PPP3/2N4P/PP3PP1/R1BQKBNR b KQkq - 0 1"] [SetUp "1"] [Annotator "lichess.org"] 1... a5?! { (0.15 → 0.96) Inaccuracy. e5 was best. } (1... e5 2. d5 a5 3. Bg5 Na6 4. Bd3 O-O 5. Nge2 Bd7 6. f3) 2. Nf3 O-O 3. Be3 e5 4. d5 Na6 5. g4 h5 6. g5?! { (0.85 → 0.28) Inaccuracy. Nd2 was best. } (6. Nd2 hxg4 7. Qe2 c6 8. O-O-O g3 9. fxg3 cxd5 10. cxd5 Bd7) 6... Nd7 7. a3 Ndc5?! { (0.43 → 1.39) Inaccuracy. Nac5 was best. } (7... Nac5 8. Rg1) 8. b4 Nd7 9. Nd2?! { (1.46 → 0.59) Inaccuracy. c5 was best. } (9. c5 dxc5 10. b5 Nab8 11. Na4 Re8 12. Rb1 Nb6 13. Nxb6 cxb6 14. Nd2 c4 15. Nxc4 Nd7) 9... b6?! { (0.59 → 1.36) Inaccuracy. axb4 was best. } (9... axb4) 10. h4 Rb8 11. Rb1 f5?! { (1.39 → 2.11) Inaccuracy. Ra8 was best. } (11... Ra8 12. Be2 f6 13. Qc2 fxg5 14. hxg5 Rf7 15. Nf3 Nf8 16. Nh4 Nb8 17. Qd3 axb4 18. axb4) 12. gxf6? { (2.11 → 0.75) Mistake. exf5 was best. } (12. exf5 Rxf5 13. Bh3 axb4 14. axb4 e4 15. Bxf5 gxf5 16. Ne2 Ne5 17. Nf4 Qe8 18. O-O Ng4) 12... Nxf6 13. f3 Bd7? { (0.70 → 2.19) Mistake. Kh7 was best. } (13... Kh7 14. Qe2 Ng8 15. Bg5 Bf6 16. Qe3 Bxg5 17. hxg5 Rf4 18. Ne2 Rf8 19. Bg2 Qe7 20. O-O) 14. c5 b5? { (2.20 → 3.77) Mistake. axb4 was best. } (14... axb4 15. axb4 bxc5 16. Bxa6 Rxb4 17. Qc2 Qa8 18. Bc4 Kh7 19. Ke2 Bh6 20. Rxb4 cxb4 21. Bxh6) 15. c6 Be8 16. Bxb5 Qc8 17. Qe2 Ra8 18. Bxa6 Rxa6 19. b5 Ra8 20. b6 cxb6 21. Nc4 Bxc6 22. Nxb6 Qc7 23. dxc6 Qxc6 24. Kd2 Rad8 25. Qc4+ Qxc4 26. Nxc4 d5 27. exd5 Nxd5 28. Nxd5 Rxd5+ 29. Ke2 Rd7 30. Rhd1 Rdf7 31. Bc5 Rc8 32. Rb5?! { (4.94 → 3.63) Inaccuracy. Nd6 was best. } (32. Nd6 Rxc5 33. Nxf7 Kxf7 34. Rb7+ Kg8 35. Rd8+ Bf8 36. Rbb8 Kg7 37. Rxf8 Rc4 38. Rg8+ Kh7) 32... Rfc7 33. Rd5 a4 34. Nd2 e4?! { (3.75 → 5.03) Inaccuracy. Bf6 was best. } (34... Bf6 35. Ne4 Bxh4 36. Rxe5 Kg7 37. Bd4 Kh7 38. Re6 Be7 39. Be5 Rd7 40. Rbb6 Bd8 41. Ra6) 35. Nxe4 Re8 36. Rb6 Bf8 37. Rxg6+ Kf7?! { (5.54 → 7.33) Inaccuracy. Kh7 was best. } (37... Kh7 38. Rgg5 Bh6 39. Rg1 Rg7 40. Rb1 Re6 41. Bd4 Rge7 42. Rg1 Rc6 43. Rxh5 Rb7 44. Rc5) 38. Rgg5?! { (7.33 → 5.52) Inaccuracy. Rf6+ was best. } (38. Rf6+ Kg8 39. Bxf8 Rf7 40. Rh6 Rexf8 41. Rdxh5 Rg7 42. Rh8+ Kf7 43. Rf5+ Ke7 44. Rfxf8 Rg2+) 38... Bxc5 39. Rxc5 Rce7?! { (5.86 → 8.34) Inaccuracy. Rxc5 was best. } (39... Rxc5 40. Rxc5 Rb8 41. Rc4 Rb2+ 42. Nd2 Ra2 43. Rxa4 Ke6 44. Ke3 Ra1 45. Ne4 Rh1 46. Rb4) 40. Rgf5+?! { (8.34 → 5.80) Inaccuracy. Rcf5+ was best. } (40. Rcf5+ Ke6 41. Re5+ Kd7 42. Nf6+ Kc8 43. Nxe8 Rd7 44. Rxh5 Kb8 45. Rh8 Ka7 46. h5 Rf7) 40... Kg6 41. Rxh5 Rxe4+ 42. fxe4 Rxe4+ 43. Kf3 Rd4? { (7.01 → Mate in 30) Checkmate is now unavoidable. Re1 was best. } (43... Re1 44. Rcg5+ Kf7 45. Rh7+ Ke6 46. Rh6+ Ke7 47. Ra6 Rd1 48. Rxa4 Rd3+ 49. Kg4 Rd1 50. Rf4) 44. Rhg5+? { (Mate in 30 → 8.86) Lost forced checkmate sequence. Rhd5 was best. } (44. Rhd5 Rxh4 45. Rd6+ Kf7 46. Rc7+ Ke8 47. Ra6 Rh3+ 48. Kg4 Kd8 49. Rg7 Rc3 50. Ra8+ Rc8) 44... Kh6? { (8.86 → Mate in 11) Checkmate is now unavoidable. Kf7 was best. } (44... Kf7 45. h5 Rd8 46. h6 Rh8 47. h7 Kf6 48. Kg4 Ke7 49. Rg8 Rxh7 50. Rc7+ Kd6 51. Rxh7) 45. Rc3?? { (Mate in 11 → 6.54) Lost forced checkmate sequence. Rgd5 was best. } (45. Rgd5 Rxd5 46. Rxd5 Kg7 47. Ke4 Kf6 48. Rd6+ Ke7 49. Ke5 Kf7 50. Rd7+ Ke8 51. Ke6 Kf8) 45... Rd1?? { (6.54 → Mate in 12) Checkmate is now unavoidable. Kh7 was best. } (45... Kh7 46. Rg4 Rd5 47. Rxa4 Kg6 48. Kg4 Kf7 49. Rc7+ Kf6 50. Ra6+ Ke5 51. Re7+ Kd4 52. h5) 46. Rc6+ Kh7 47. Ra5? { (Mate in 11 → 8.82) Lost forced checkmate sequence. Kg4 was best. } (47. Kg4 Rd7 48. Kh5 Rg7 49. Rxg7+ Kxg7 50. Kg5 Kf7 51. h5 Ke7 52. h6 Kd7 53. Rg6 Ke7) 47... Rd3+ 48. Kg4 Rxa3?! { (22.89 → Mate in 2) Checkmate is now unavoidable. Rd4+ was best. } (48... Rd4+ 49. Kh5 Kg8 50. Ra8+ Kf7 51. Ra7+ Ke8 52. Rc8+ Rd8 53. Rxd8+ Kxd8 54. Rxa4 Ke7 55. Rb4) 49. Ra7+ Kg8 50. Rc8# { White wins by checkmate. } 1-0