[Event "Under 1800 USCF Tournament"] [Site "https://lichess.org/CypBDWzC"] [Date "2021.03.20"] [White "O-chess"] [Black "SouthsideSuperstar"] [Result "0-1"] [UTCDate "2021.03.20"] [UTCTime "16:00:02"] [WhiteElo "2014"] [BlackElo "1534"] [WhiteRatingDiff "-12"] [BlackRatingDiff "+101"] [Variant "Standard"] [TimeControl "900+5"] [ECO "A40"] [Opening "Horwitz Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 e6 { A40 Horwitz Defense } 2. c4 h6 3. Nc3 a6?! { (0.52 → 1.59) Inaccuracy. d5 was best. } (3... d5 4. Nf3 Nf6 5. Bf4 Bd6 6. Bxd6 cxd6 7. cxd5 Nxd5 8. Nxd5) 4. e4 b6?! { (0.77 → 1.75) Inaccuracy. Ne7 was best. } (4... Ne7 5. Nf3 g6 6. Bd3 Bg7 7. O-O O-O 8. Be3 d5 9. Qd2) 5. Nf3 Bb7 6. Bd3 d6 7. Bf4 Nd7 8. Qe2 g5 9. Be3 g4 10. Nd2 h5 11. Nb3?! { (1.76 → 0.99) Inaccuracy. f4 was best. } (11. f4 gxf3 12. Nxf3 Bh6 13. Bf2 Qf6 14. O-O Qg7 15. e5 dxe5 16. Be4 Bxe4 17. Qxe4 Rd8) 11... Bg7 12. Rc1?! { (1.29 → 0.50) Inaccuracy. h3 was best. } (12. h3 Ngf6) 12... Ne7?! { (0.50 → 1.26) Inaccuracy. c5 was best. } (12... c5 13. O-O cxd4 14. Nxd4 Ngf6 15. Bc2 h4 16. Ba4 h3 17. g3 Rc8 18. f4 gxf3 19. Nxf3) 13. d5? { (1.26 → 0.15) Mistake. O-O was best. } (13. O-O) 13... e5?! { (0.15 → 1.03) Inaccuracy. Ng6 was best. } (13... Ng6 14. O-O) 14. Nd2 Ng6 15. g3 Nf6?! { (0.83 → 1.71) Inaccuracy. Bh6 was best. } (15... Bh6 16. Kd1) 16. Qd1? { (1.71 → 0.52) Mistake. b4 was best. } (16. b4 a5 17. a3 axb4 18. axb4 h4 19. O-O Bh6 20. Bxh6 Rxh6 21. Qe3 Rh8 22. c5 bxc5) 16... h4 17. Bg5?! { (0.74 → -0.03) Inaccuracy. Nf1 was best. } (17. Nf1 Bc8) 17... Qd7? { (-0.03 → 1.44) Mistake. Bc8 was best. } (17... Bc8 18. Nf1 Rh5 19. Bd2 Ke7 20. Qe2 Bh6 21. Bxh6 Rxh6 22. Kd1 Nf8 23. Qd2 Rh5 24. Be2) 18. Bxf6? { (1.44 → -0.20) Mistake. b4 was best. } (18. b4 Rh5 19. Be3 Bh6 20. Bxh6 Rxh6 21. c5 Qd8 22. c6 Bc8 23. Nc4 Nh7 24. Ne3 Qg5) 18... Bxf6 19. Be2?! { (0.32 → -0.74) Inaccuracy. Bc2 was best. } (19. Bc2 Kf8) 19... Bc8 20. Nf1 hxg3?! { (-0.78 → -0.07) Inaccuracy. Bg5 was best. } (20... Bg5 21. Ra1 hxg3 22. Nxg3 Nh4 23. Nf5 Qd8 24. Bxg4 Qf6 25. Qd3 b5 26. cxb5 axb5 27. Rg1) 21. fxg3 Bg5 22. Rc2 f5? { (-0.39 → 0.82) Mistake. Rh3 was best. } (22... Rh3 23. b4) 23. exf5 Qxf5 24. Bd3 Qf7? { (0.80 → 2.06) Mistake. e4 was best. } (24... e4 25. Nxe4) 25. Ne4 Bh6 26. Rf2 Nf4?! { (1.84 → 3.09) Inaccuracy. Qg7 was best. } (26... Qg7 27. Be2 Bd7 28. Bxg4 O-O-O 29. Bxd7+ Rxd7 30. Qa4 Kb7 31. h4 Rf7 32. Qc6+ Kb8 33. Rxf7) 27. gxf4 exf4 28. Qe2 O-O? { (2.40 → 4.19) Mistake. Kd8 was best. } (28... Kd8 29. h3) 29. Rg1 f3 30. Qc2 Re8?! { (3.79 → 4.83) Inaccuracy. Qg7 was best. } (30... Qg7 31. h3) 31. Kd1 Bg7 32. Qb3?? { (5.22 → 2.12) Blunder. h3 was best. } (32. h3 Qf4 33. hxg4 Bd4 34. Nfg3 Rxe4 35. Nxe4 Bxg4 36. Qd2 Rf8 37. Kc2 Rf5 38. Rh1 b5) 32... Bd4 33. Ng5?? { (1.50 → -2.41) Blunder. Nfd2 was best. } (33. Nfd2 Bxf2 34. Nxf2 Qf4 35. Rg3 Bd7 36. Nde4 Kf7 37. Qc3 Re5 38. Qd2 Qxd2+ 39. Kxd2 Rh8) 33... Qe7 34. Ne4?? { (-1.87 → -6.21) Blunder. Ne6 was best. } (34. Ne6 Bxe6 35. dxe6 Qxe6 36. Rxf3 Bxg1 37. Rf5 Qe1+ 38. Kc2 Bc5 39. Qa4 Re5 40. Rxe5 Qxe5) 34... Bxf2 35. Rh1 Bd4 36. Nfg3 Qg7 37. Nh5 Qh6 38. Nhg3 Be5 39. Qc2 Bxg3 40. Nxg3 Qh3? { (-7.17 → -4.13) Mistake. Re5 was best. } (40... Re5 41. Qd2 Qxd2+ 42. Kxd2 Kg7 43. Re1 Rxe1 44. Kxe1 Bd7 45. b4 Rh8 46. h4 gxh3 47. Kf2) 41. Qd2 Re5 42. Qf4? { (-4.01 → -6.70) Mistake. Re1 was best. } (42. Re1 Qh8) 42... Qh8?? { (-6.70 → -1.03) Blunder. Bd7 was best. } (42... Bd7 43. Rf1) 43. Ne4?? { (-1.03 → -4.41) Blunder. h3 was best. } (43. h3 f2 44. hxg4 Re1+ 45. Rxe1 fxe1=Q+ 46. Kxe1 Qe5+ 47. Qxe5 dxe5 48. Nh5 Kf7 49. g5 Bg4) 43... Rxe4?? { (-4.41 → -1.59) Blunder. Bf5 was best. } (43... Bf5) 44. Bxe4 Bd7? { (-1.87 → -0.47) Mistake. Qe5 was best. } (44... Qe5 45. Qxe5) 45. Qg5+?? { (-0.47 → -5.00) Blunder. Bxf3 was best. } (45. Bxf3 Rf8 46. Qg5+ Qg7 47. Qxg7+ Kxg7 48. Be2 Kh6 49. Rg1 Rf4 50. Kd2 Bf5 51. Ke3 Re4+) 45... Qg7 46. Qd2 Re8 47. Qc2?! { (-5.53 → -9.72) Inaccuracy. Bd3 was best. } (47. Bd3 Kf7 48. a3 Qf6 49. Qc2 Rh8 50. Rf1 Rh3 51. Rf2 Ke7 52. Qd2 Kd8 53. Kc2 a5) 47... Qd4+ 48. Bd3 Bf5 49. Kd2?! { (-11.49 → Mate in 6) Checkmate is now unavoidable. Qc3 was best. } (49. Qc3 Qxc3) 49... Re2+ 50. Kd1 Rxc2 51. Kxc2 Qxd3+ 52. Kc1 Qc2# { Black wins by checkmate. } 0-1