[Event "UChicago simul"] [Site "https://lichess.org/PruLjQDb"] [Date "2021.05.23"] [White "PolyhedralPig"] [Black "ChessWizard521"] [Result "0-1"] [UTCDate "2021.05.23"] [UTCTime "21:30:08"] [WhiteElo "1500"] [BlackElo "2178"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "1200+10"] [ECO "E04"] [Opening "Catalan Opening: Open Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 { E04 Catalan Opening: Open Defense } a6 6. O-O Nc6 7. Nbd2 Nxd4 8. Nxc4 Bc5?! { (0.27 → 0.86) Inaccuracy. Nxf3+ was best. } (8... Nxf3+ 9. Bxf3) 9. e3? { (0.86 → -0.54) Mistake. Nfe5 was best. } (9. Nfe5 O-O 10. Be3 Ba7 11. Rc1 Rb8 12. a4 Ne8 13. Bxd4 Qxd4 14. Qxd4 Bxd4 15. Rfd1 Bxe5) 9... Nxf3+ 10. Bxf3 Qxd1?! { (-0.62 → -0.06) Inaccuracy. Qe7 was best. } (10... Qe7 11. Qa4+ Bd7 12. Qc2 Nd5 13. Rd1 O-O 14. Ne5 Bb5 15. a4 Be8 16. Nd3 Bd6 17. e4) 11. Rxd1 Ke7 12. a3 Rd8 13. Rxd8 Kxd8 14. b4 Be7 15. Bb2 Rb8 16. Ne5 Ke8 17. Rc1 Bd6 18. Nc4 Kd8 19. Rd1 Ne8 20. Nxd6?! { (0.00 → -0.79) Inaccuracy. e4 was best. } (20. e4 f6 21. Bg2 Ke7 22. f4 Kf8 23. Na5 c5 24. e5 Be7 25. bxc5 Bxc5+ 26. Bd4 Bxa3) 20... cxd6 21. h4 Bd7 22. h5 Bc6 23. Be2 Ba4 24. Rd4 Rc8 25. Bd3?! { (-1.09 → -1.91) Inaccuracy. Rd2 was best. } (25. Rd2 Kd7 26. g4 h6 27. Kh2 f6 28. Bd3 Nc7 29. Be4 Bc6 30. Bg6 Ke7 31. Kg3 e5) 25... Bc2 26. Kg2?? { (-1.64 → -5.25) Blunder. Be2 was best. } (26. Be2 Ke7 27. Bf3 Rc7 28. Rd2 b5 29. g4 e5 30. Bg2 Nf6 31. f4 Nxg4 32. Bh3 Bf5) 26... e5 27. Rd5 Bb3 28. Ra5 Nc7?! { (-5.18 → -4.06) Inaccuracy. Bc2 was best. } (28... Bc2 29. Be2 Be4+ 30. Bf3 Bxf3+ 31. Kxf3 Rc2 32. Ba1 Nc7 33. g4 Kd7 34. Bxe5 dxe5 35. Rxe5) 29. b5 b6 30. Rxa6 Nxa6 31. bxa6 Bd5+ 32. e4?! { (-3.98 → -5.32) Inaccuracy. Kh3 was best. } (32. Kh3 h6 33. f4 Rc5 34. a4 Bc6 35. fxe5 dxe5 36. g4 f6 37. Kh4 Bd7 38. Bb5 Bxb5) 32... Bc4 33. Bxc4 Rxc4 34. Kf3 Ra4 35. Ke3 Rxa6 36. Kd3 Ra4 37. g4 b5 38. f3 b4 39. axb4 Rxb4 40. Bc3 Rb1 41. Ke3 Rb3 42. Kd2 Ke7 43. Kc2 Ra3 44. Kd2 Kf6 45. Kc2 Kg5 46. Kb2 Rxc3 47. Kxc3 Kf4 48. Kc4 Kxf3 49. Kd5 Kxg4 50. Kxd6 f6 51. h6?! { (-72.30 → Mate in 20) Checkmate is now unavoidable. Kc5 was best. } (51. Kc5 Kxh5) 51... gxh6 52. Ke6 Kg5 { White resigns. } 0-1