[Event "北千住例会: 2022-07-23 1R"] [Date "2022.07.23"] [Result "*"] [Variant "Standard"] [ECO "B08"] [Opening "Pirc Defense: Classical Variation"] [StudyName "北千住例会"] [ChapterName "2022-07-23 1R"] [ChapterURL "https://lichess.org/study/0Gsow1PX/wKvGOSRx"] [Annotator "https://lichess.org/@/zbxah"] [UTCDate "2022.07.23"] [UTCTime "21:36:39"] [Orientation "white"] 1. e4 { [%eval 0.33] } 1... d6 { [%eval 0.75] } 2. d4 { [%eval 0.4] } 2... Nf6 { [%eval 0.63] } 3. Nc3 { [%eval 0.74] } 3... g6 { [%eval 0.72] } 4. Nf3?! { [%eval 0.09] } { Inaccuracy. Be3 was best. } (4. Be3 Bg7 5. Qd2 c6 6. a4 O-O 7. Nf3 Nbd7 8. h3 e5) 4... Bg7 { [%eval 0.66] } 5. Bc4 { [%eval 0.28] } 5... O-O { [%eval 0.3] } 6. O-O { [%eval 0.13] } 6... Bg4 { [%eval 0.42] } 7. Be2 { [%eval 0.42] } (7. h3 Bxf3 8. Qxf3 Nxe4 9. Qxe4 d5) 7... Nc6 { [%eval 0.41] } 8. d5 { [%eval 0.59] } 8... Bxf3 { [%eval 0.45] } 9. Bxf3 { [%eval 0.3] } 9... Ne5 { [%eval 0.25] } 10. Be2 { [%eval 0.58] } 10... c6 { [%eval 0.23] } 11. f4 { [%eval 0.53] } 11... Qb6+ { [%eval 0.62] } 12. Kh1 { [%eval 0.59] } 12... Ned7 { [%eval 0.58] } 13. Rb1 { [%eval 0.06] } 13... cxd5 { [%eval 0.27] } 14. Nxd5 { [%eval 0.06] } 14... Nxd5 { [%eval 0.1] } 15. exd5 { [%eval 0.4] } 15... Nf6 { [%eval 0.18] } 16. Qd3?! { [%eval -0.68] } { Inaccuracy. Bf3 was best. } { [%csl Yd5,Ya2] } (16. Bf3 Rac8) 16... Qa5 { [%eval -0.77] } 17. Qb3?! { [%eval -1.48] } { Inaccuracy. c4 was best. } (17. c4 Qxa2 18. Be3 Nd7 19. b4 Rfc8 20. Rfd1 Qa4 21. Rd2 Rc7 22. Bg1 b6 23. h3 Nf6) 17... Qxd5 { [%eval -0.94] } 18. c4?! { [%eval -1.58] } { Inaccuracy. Qxd5 was best. } (18. Qxd5 Nxd5) 18... Qe4 { [%eval -1.4] } 19. Bd3 { [%eval -1.25] } 19... Qd4 { [%eval -1.44] } 20. Bd2 { [%eval -2.02] } 20... Ng4?! { [%eval -1.39] } { Inaccuracy. Rac8 was best. } (20... Rac8 21. Rbe1 d5 22. cxd5 Nxd5 23. f5 Qxb2 24. fxg6 hxg6 25. Qxd5 Qxd2 26. Rxe7 Rcd8 27. Rd7) 21. Be1 { [%eval -1.69] } (21. Qxb7) (21. Rbe1 Nf2+ 22. Kg1 Nh3+ 23. Kh1 Qg1+ 24. Rxg1 Nf2#) 21... Qf6?? { [%eval 0.54] } { Blunder. Rac8 was best. } (21... Rac8 22. Be2) 22. h3 { [%eval 0.29] } 22... Ne3 { [%eval 0.02] } 23. Rf3 { [%eval 0.45] } 23... Nf5 { [%eval 0.56] } 24. Bxf5?? { [%eval -1.94] } { Blunder. Qxb7 was best. } (24. Qxb7) (24. Bf2) (24. Bc3) 24... Qxf5 { [%eval -1.36] } 25. Qd3 { [%eval -1.6] } 25... Qxd3 { [%eval -1.61] } 26. Rxd3 { [%eval -1.54] } 26... Rfc8 { [%eval -1.57] } 27. b3 { [%eval -1.65] } 27... Rc6 { [%eval -1.43] } 28. Bc3? { [%eval -3.25] } { Mistake. g4 was best. } (28. g4 Bh6) 28... Bxc3 { [%eval -3.32] } 29. Rxc3 { [%eval -3.38] } 29... b5?! { [%eval -2.2] } { Inaccuracy. d5 was best. } (29... d5 30. Re3 dxc4 31. bxc4 Rc7 32. Ra3 a6 33. Rab3 Rxc4 34. Rxb7 e6 35. R7b4 Rac8 36. R1b3) 30. Rbc1?? { [%eval -4.63] } { Blunder. Re3 was best. } (30. Re3 bxc4 31. Rxe7 Kf8 32. Re3 Re8 33. Rc3 Re4 34. g3 d5 35. Kg2 Ke7 36. bxc4 Rexc4) 30... Rac8 { [%eval -4.35] } 31. g4 { [%eval -5.12] } 31... bxc4 { [%eval -4.89] } 32. Rxc4 { [%eval -4.29] } 32... Rxc4 { [%eval -4.55] } 33. bxc4 { [%eval -5.55] } 33... f6 { [%eval -4.59] } 34. Kg2 { [%eval -4.88] } 34... Kf7 { [%eval -4.29] } 35. Kf3 { [%eval -4.81] } 35... Rc5 { [%eval -5.03] } 36. Ke4 { [%eval -4.74] } 36... h5 { [%eval -4.36] } 37. Kd4 { [%eval -4.94] } 37... hxg4 { [%eval -4.08] } 38. hxg4 { [%eval -4.34] } 38... e5+ { [%eval -4.11] } 39. fxe5 { [%eval -4.42] } 39... fxe5+ { [%eval -4.17] } 40. Kd3 { [%eval -4.28] } 40... Ke6?? { [%eval -2.02] } { Blunder. Kf6 was best. } (40... Kf6 41. Rf1+ Kg5 42. Rf2 d5 43. cxd5 Rxd5+ 44. Ke4 Rd4+ 45. Kxe5 Ra4 46. Rg2 Rxg4 47. Rh2) 41. Rh1?? { [%eval -4.62] } { Blunder. Rf1 was best. } (41. Rf1 d5) 41... Ra5 { [%eval -4.56] } 42. Rh2?! { [%eval -7.37] } { Inaccuracy. Rh7 was best. } (42. Rh7 Ra3+) 42... Ra3+ { [%eval -7.39] } 43. Ke4 { [%eval -7.21] } 43... Rc3 { [%eval -7.3] } 44. c5? { [%eval #-1] } { Checkmate is now unavoidable. Rh7 was best. } (44. Rh7 Rxc4+ 45. Kf3 Rc3+ 46. Kf2 Ra3 47. Rg7 Rxa2+ 48. Ke1 Kf6 49. Rd7 Ra6 50. Kf2 Kg5) 44... d5# *