[Event "KENNETH ONG simul"] [Site "https://lichess.org/QxjSCIXl"] [Date "2023.03.18"] [White "czy1031"] [Black "KEB2094_KENNETHONG"] [Result "1-0"] [UTCDate "2023.03.18"] [UTCTime "01:55:39"] [WhiteElo "1683"] [BlackElo "1838"] [Variant "Standard"] [TimeControl "1200+0"] [ECO "C66"] [Opening "Ruy Lopez: Berlin Defense, Improved Steinitz Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Nf6 { C66 Ruy Lopez: Berlin Defense, Improved Steinitz Defense } 5. Re1 Be7 6. d4 Bd7 7. d5 Nb8 8. Bxd7+ Nbxd7 9. c4 O-O 10. Nc3 h6 11. h3 c5 12. Be3 Nh7 13. Qa4 Nb6 14. Qb3 Ng5 15. Nxg5 Bxg5 16. Bxg5 Qxg5 17. a4 Rab8 18. a5 Nd7 19. Nb5 b6? { (1.06 → 2.32) Mistake. a6 was best. } (19... a6) 20. a6 Qg6? { (2.27 → 3.82) Mistake. Ra8 was best. } (20... Ra8) 21. Nxa7 f5 22. Nc6 Rbe8 23. a7 Kh8 24. Qb5 fxe4 25. Nb8 Nxb8? { (2.95 → 4.76) Mistake. Rxb8 was best. } (25... Rxb8 26. axb8=R Nxb8 27. Qxb6 Nd7 28. Qb3 Nf6 29. Qc2 Rd8 30. Ra7 Kh7 31. Re3 Rg8 32. Ra6) 26. a8=Q Qf6 27. Re2 Rd8 28. Qxb6?! { (4.60 → 3.50) Inaccuracy. Qa3 was best. } (28. Qa3 Qg6 29. Qc3 Nd7 30. Qc2 Nf6 31. Qxb6 Nd7 32. Qc7 Nf6 33. b4 cxb4 34. Ra7 Nh5) 28... Nd7 29. Qaxd8 Rxd8 30. Qc7 Nf8 31. Rb1?! { (2.82 → 1.90) Inaccuracy. Rxe4 was best. } (31. Rxe4 Ng6 32. Kh2 Rf8 33. Ra3 Nf4 34. Rf3 g5 35. Rg3 Rf7 36. Qb6 Qg6 37. Re1 Kh7) 31... Rd7?! { (1.90 → 3.15) Inaccuracy. Ng6 was best. } (31... Ng6 32. Rxe4 Rf8 33. Kh2 Nh4 34. Rg4 Kh7 35. Qd7 h5 36. Rxh4 Qxh4 37. Qxd6 Rxf2 38. Qxe5) 32. Qc8 Rd8 33. Qc6?? { (3.30 → 1.11) Blunder. Qg4 was best. } (33. Qg4 Ng6 34. Qxe4 Rb8 35. b3 Kg8 36. Kh2 h5 37. Ra1 Rf8 38. Raa2 Nf4 39. Re3 h4) 33... Qh4? { (1.11 → 2.84) Mistake. Ng6 was best. } (33... Ng6 34. Re3) 34. b4 cxb4 35. Rxb4 Ng6 36. c5? { (2.41 → 1.07) Mistake. Rb3 was best. } (36. Rb3 Nf4 37. Ra2 Nd3 38. Qc7 Qg5 39. Rb8 Rxb8 40. Qxb8+ Kh7 41. Qb1 Qg6 42. Qd1 h5) 36... dxc5?? { (1.07 → 3.51) Blunder. Nf4 was best. } (36... Nf4 37. Rexe4) 37. Rbxe4 Qg5?! { (3.60 → 4.66) Inaccuracy. Nf4 was best. } (37... Nf4 38. R2e3 Qg5 39. Rg3 Qf6 40. Qxc5 Rxd5 41. Qc2 Qd8 42. Kh2 Nh5 43. Rc3 Rd2 44. Rc8) 38. Qxc5?? { (4.66 → 0.19) Blunder. Rg4 was best. } (38. Rg4 Ne7 39. Qxc5 Qf6 40. d6 Rxd6 41. Qxe5 Qxe5 42. Rxe5 Ng8 43. Re2 Rd3 44. Rg3 Rd4) 38... Nf4 39. R2e3?? { (0.30 → Mate in 1) Checkmate is now unavoidable. g3 was best. } (39. g3 Nxe2+ 40. Rxe2 e4 41. Rxe4 Qxd5 42. Re8+ Kh7 43. Qf8 Rxe8 44. Qxe8 Qd1+ 45. Kh2 Qd6) 39... Rxd5?? { (Mate in 1 → 3.64) Lost forced checkmate sequence. Qxg2# was best. } (39... Qxg2#) 40. Qc8+ Kh7 41. Qg4 Rd1+ 42. Re1 Qxg4 43. hxg4 Rxe1+?! { (3.41 → 4.88) Inaccuracy. Rd6 was best. } (43... Rd6 44. Rxe5 Rg6 45. R5e4 Rxg4 46. f3 Rh4 47. Rc1 Ng6 48. Rxh4 Nxh4 49. Rc7 Kh8 50. Ra7) 44. Rxe1 Nd3 45. Re3 { Black resigns. } 1-0