[Event "OE February Hyper1:2 Arena"] [Site "https://lichess.org/4Uh8BUzN"] [Date "2024.02.06"] [White "Nurse_Researcher"] [Black "mkoganov"] [Result "1-0"] [UTCDate "2024.02.06"] [UTCTime "19:10:38"] [WhiteElo "2007"] [BlackElo "2355"] [WhiteRatingDiff "+10"] [BlackRatingDiff "-15"] [BlackTitle "NM"] [Variant "Standard"] [TimeControl "30+0"] [ECO "A00"] [Opening "Van Geet Opening"] [Termination "Time forfeit"] [Annotator "lichess.org"] 1. Nc3 { A00 Van Geet Opening } e6 2. d3?! { (0.46 → -0.36) Inaccuracy. d4 was best. } (2. d4 d5 3. e4 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6) 2... d5 3. Nf3 Be7 4. e4 Nd7? { (-0.13 → 1.31) Mistake. Nf6 was best. } (4... Nf6 5. Be2 c5 6. exd5 exd5 7. d4 Nc6 8. O-O O-O 9. Be3) 5. exd5 exd5 6. Nb1? { (1.32 → -0.27) Mistake. Nxd5 was best. } (6. Nxd5 Ne5 7. Bf4 Qxd5 8. Bxe5 Bf6 9. d4 Bxe5 10. dxe5 Be6 11. Qxd5 Bxd5 12. O-O-O Ne7) 6... Ngf6 7. Nbd2 O-O 8. Be2 c6 9. Nb3 b6 10. c3 a5 11. d4?! { (-0.03 → -0.59) Inaccuracy. Nbd4 was best. } (11. Nbd4 Qc7 12. Nf5 Bd8 13. d4 a4 14. O-O Nc5 15. Ng3 Nce4 16. Bd3 a3 17. Re1 Be6) 11... a4 12. Nbd2 Ba6 13. a3?! { (-0.36 → -1.04) Inaccuracy. Bxa6 was best. } (13. Bxa6 Rxa6 14. O-O b5 15. Re1 Bd6 16. Qc2 Ra8 17. Ne5 Qc7 18. Ndf3 Ne4 19. Bf4 Ndf6) 13... Bxe2 14. Qxe2 b5 15. O-O Bd6 16. Qd1 Re8 17. Ne5? { (-1.03 → -2.86) Mistake. Re1 was best. } (17. Re1 Nb6 18. Qc2 h6 19. Rxe8+ Qxe8 20. Nf1 Nc4 21. Ne3 Bc7 22. Rb1 Qe6 23. Nxc4 bxc4) 17... Qc7? { (-2.86 → -1.02) Mistake. Bxe5 was best. } (17... Bxe5 18. dxe5 Nxe5 19. Nf3 Nc4 20. h3 Qd7 21. Qc2 h6 22. Bf4 Re4 23. Bh2 Rae8 24. Rfe1) 18. f4 Ne4?! { (-1.57 → -0.66) Inaccuracy. c5 was best. } (18... c5 19. Kh1) 19. Ndf3? { (-0.66 → -1.82) Mistake. Nxe4 was best. } (19. Nxe4 dxe4 20. Nxd7 Qxd7 21. Be3 f5 22. Rc1 Qe6 23. Rc2 Qc4 24. Rff2 Qd3 25. Qe1 h5) 19... f6 20. Ng4?! { (-1.53 → -2.14) Inaccuracy. Nxd7 was best. } (20. Nxd7 Qxd7 21. Nd2 Qf5 22. Nxe4 Rxe4 23. Qd3 Qg4 24. Qf3 Qxf3 25. Rxf3 Re1+ 26. Rf1 Re2) 20... h5 21. Nf2 Nf8? { (-2.43 → -0.84) Mistake. Bxf4 was best. } (21... Bxf4 22. Nxe4 dxe4 23. Nh4 e3 24. Qxh5 Bxh2+ 25. Kh1 e2 26. Re1 Bg3 27. Nf5 Bxe1 28. Qg6) 22. Nxe4 dxe4 23. Nh4 g6 24. Nxg6?? { (-1.09 → -3.50) Blunder. g3 was best. } (24. g3 f5) 24... Nxg6 25. Qxh5 Qg7?? { (-3.23 → -0.90) Blunder. Qh7 was best. } (25... Qh7 26. Qf5 Qf7 27. Bd2 e3 28. Be1 Ne7 29. Qd7 Rad8 30. Qh3 Nd5 31. Rf3 Kf8 32. Rc1) 26. Qe2?? { (-0.90 → -3.87) Blunder. f5 was best. } (26. f5 Ne7 27. Bf4 Bxf4 28. Rxf4 Qh7 29. Qxh7+ Kxh7 30. Re1 Nd5 31. Rfxe4 Rxe4 32. Rxe4 Nb6) 26... f5 27. Be3 Re6?! { (-3.86 → -2.95) Inaccuracy. Ne7 was best. } (27... Ne7 28. Rac1 Kf7 29. d5 cxd5 30. Qxb5 Qg4 31. g3 Reb8 32. Qd7 Qg6 33. c4 Qe6 34. Qxe6+) 28. Rf2 Nh4?! { (-3.65 → -2.70) Inaccuracy. Ne7 was best. } (28... Ne7 29. g4 Kf7 30. Rg2 Rg8 31. c4 bxc4 32. Qxc4 Nd5 33. Re1 Be7 34. g5 Rh8 35. Qxa4) 29. g3? { (-2.70 → -4.36) Mistake. d5 was best. } (29. d5 Rh6 30. dxc6 Nf3+ 31. Rxf3 exf3 32. Qxf3 Re8 33. Rd1 Qf7 34. h3 Qe6 35. Kf2 Bc7) 29... Nf3+ 30. Kg2 Rg6 31. Rh1 Nh4+ 32. Kf1 Nf3 33. Rxf3 Rf8?? { (-4.19 → 1.18) Blunder. exf3 was best. } (33... exf3 34. Qxf3 Re8 35. d5 c5 36. Kf2 Qf7 37. h4 Rg7 38. Re1 Re7 39. Bd2 Rxe1 40. Bxe1) 34. Rf2 Rxg3?? { (1.52 → 5.87) Blunder. Qf7 was best. } (34... Qf7 35. Kg2 Rb8 36. Rc1 Be7 37. Kh1 Qc4 38. Qh5 Qf7 39. Rd2 Rd6 40. Qe2 Qc4 41. g4) 35. Rg2?? { (5.87 → -0.84) Blunder. hxg3 was best. } (35. hxg3 Qg4 36. Qxg4+ fxg4 37. Rfh2 Be7 38. Rh6 c5 39. dxc5 Bf6 40. c6 Bg7 41. Bd4 Bxh6) 35... Rxg2 36. Qxg2 Qxg2+ 37. Kxg2 Kf7 38. Kf2 Rg8 39. Rg1?! { (-1.08 → -2.07) Inaccuracy. h4 was best. } (39. h4 Rg4 40. h5 Be7 41. c4 bxc4 42. Rc1 Bd6 43. Rxc4 Bxf4 44. Bxf4 Rxf4+ 45. Kg3 Rg4+) 39... Rh8 40. Rg3? { (-2.00 → -3.76) Mistake. Kg3 was best. } (40. Kg3 Ke6) 40... Rh3?? { (-3.76 → 5.75) Blunder. Rxh2+ was best. } (40... Rxh2+ 41. Kf1 Ke6 42. Rg6+ Kd5 43. c4+ bxc4 44. Rg5 Rxb2 45. Rxf5+ Ke6 46. Ra5 c3 47. f5+) 41. Rg2?? { (5.75 → -2.82) Blunder. Rxh3 was best. } (41. Rxh3 Kg6 42. Kg2 Be7 43. Kh1 Bf6 44. Rg3+ Kf7 45. d5 cxd5 46. Rg1 Ke6 47. Rg8 Kf7) 41... Rf3+ 42. Ke2 c5?? { (-2.11 → 1.46) Blunder. Bxf4 was best. } (42... Bxf4 43. Bxf4) 43. Rf2?? { (1.46 → -0.96) Blunder. dxc5 was best. } (43. dxc5) 43... cxd4 44. Bxd4?? { (-1.03 → -4.63) Blunder. cxd4 was best. } (44. cxd4) 44... e3?? { (-4.63 → 7.14) Blunder. Rxf2+ was best. } (44... Rxf2+ 45. Kxf2 Bxf4 46. h4 Bc1 47. Bc5 Bxb2 48. Bb4 Bc1 49. h5 Bf4 50. Bc5 Bh6 51. Be3) 45. Rxf3 Bc5?! { (7.07 → 43.59) Inaccuracy. Ke6 was best. } (45... Ke6 46. Rxe3+) 46. Kxe3?! { (43.59 → 6.31) Inaccuracy. Bxc5 was best. } (46. Bxc5 Ke6 47. Rxe3+ Kd5 48. Re5+ Kc4 49. Bd4 Kb3 50. Rxb5+ Ka2 51. h4 Kb1 52. h5 Kc1) 46... b4?? { (6.31 → Mate in 13) Checkmate is now unavoidable. Bf8 was best. } (46... Bf8 47. Rf1 Ke6 48. Be5 Be7 49. Rd1 Bh4 50. Kd2 Kd5 51. Kc1+ Ke6 52. Rd3 Be7 53. Kb1) 47. Bxc5 bxa3 48. Bb4?! { (Mate in 11 → 42.60) Lost forced checkmate sequence. Bxa3 was best. } { White wins on time. } (48. Bxa3 Ke8 49. Rg3 Kd7 50. c4 Ke6 51. h4 Kd7 52. h5 Kc7 53. h6 Kb7 54. h7 Kc6) 1-0