[Event "Challenger Spy 1-0 Arena"] [Site "https://lichess.org/C4WLtcjQ"] [Date "2024.03.12"] [White "Lopatik"] [Black "Sane4k"] [Result "1-0"] [UTCDate "2024.03.12"] [UTCTime "16:03:09"] [WhiteElo "1919"] [BlackElo "2294"] [WhiteRatingDiff "+11"] [BlackRatingDiff "-10"] [Variant "Standard"] [TimeControl "60+0"] [ECO "A41"] [Opening "Old Indian Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d6 2. c4 { A41 Old Indian Defense } Nd7 3. Nc3 Ngf6 4. e4 g6 5. Nf3 Bg7 6. Be2 O-O 7. O-O c5 8. d5 Ng4 9. h3 Nge5 10. Nxe5 Nxe5 11. Be3 a6 12. f4 Nd7 13. b3?? { (1.31 → -3.66) Blunder. a4 was best. } (13. a4) 13... Rb8?? { (-3.66 → 0.67) Blunder. Bxc3 was best. } (13... Bxc3 14. Rc1 Bg7 15. g4 b5 16. h4 bxc4 17. bxc4 Rb8 18. Rc2 Rb2 19. Rxb2 Bxb2 20. g5) 14. Rc1 b5 15. cxb5 axb5? { (0.42 → 1.69) Mistake. Qa5 was best. } (15... Qa5 16. Bd2) 16. Nxb5 Qa5 17. a4 Ba6 18. Qc2 Rfc8?! { (1.78 → 2.48) Inaccuracy. Bxb5 was best. } (18... Bxb5 19. Bxb5 Rxb5 20. axb5 Qxb5 21. Rf3 Ra8 22. Rb1 Qa5 23. Bf2 Qb4 24. Rd1 Qa5 25. Bh4) 19. Nc3?? { (2.48 → -0.16) Blunder. Na7 was best. } (19. Na7 Bd3 20. Bxd3 Qxa7 21. Kh2 Bd4 22. Bd2 Rb7 23. Bc4 Ra8 24. Qd3 Nf6 25. Rce1 Nd7) 19... Rb4?! { (-0.16 → 0.75) Inaccuracy. Bxc3 was best. } (19... Bxc3 20. Bxa6 Qxa6 21. Qxc3 Nf6 22. Qc2 Qb7 23. Rb1 Qb4 24. e5 Nxd5 25. Bd2 Qd4+ 26. Kh1) 20. Bxa6 Qxa6 21. Nb5?! { (0.88 → 0.17) Inaccuracy. Na2 was best. } (21. Na2) 21... Rb8? { (0.17 → 1.77) Mistake. c4 was best. } (21... c4 22. bxc4 Rxa4 23. Qb3 Nc5 24. Bxc5 Rxc5 25. Kh1 Bh6 26. h4 Qa5 27. h5 Qa6 28. Kh2) 22. Bd2 R4xb5 23. axb5 Qxb5 24. Rb1 Bd4+ 25. Kh1 Nf6 26. Bc3?? { (1.58 → -0.67) Blunder. Rf3 was best. } (26. Rf3 Qe2 27. Re1 Qa6 28. Kh2 h6 29. Qd3 Ra8 30. b4 Qxd3 31. Rxd3 Ra4 32. bxc5 Bxc5) 26... Bxc3 27. Qxc3 Nxe4 28. Qc2?? { (-0.79 → -4.56) Blunder. Qe3 was best. } (28. Qe3 f5) 28... f5?? { (-4.56 → -1.25) Blunder. Ng3+ was best. } (28... Ng3+ 29. Kg1 Nxf1 30. Rxf1 Qxb3 31. Qe4 Kf8 32. Re1 Rb7 33. f5 Kg7 34. fxg6 hxg6 35. Kh2) 29. g4?? { (-1.25 → -4.93) Blunder. Rfd1 was best. } (29. Rfd1 Kf7 30. Kh2 h5 31. Qc1 Nf6 32. Qe3 Qb4 33. Qe6+ Kf8 34. Re1 Qxf4+ 35. Kh1 Re8) 29... Kf7?? { (-4.93 → -0.93) Blunder. Ng3+ was best. } (29... Ng3+ 30. Kg2 Nxf1 31. Rxf1 Qxb3 32. Qxb3 Rxb3 33. Ra1 Kf7 34. Ra8 fxg4 35. hxg4 h5 36. gxh5) 30. gxf5? { (-0.93 → -2.29) Mistake. Rg1 was best. } (30. Rg1) 30... gxf5? { (-2.29 → -0.91) Mistake. Ng3+ was best. } (30... Ng3+ 31. Kg1 Nxf1 32. fxg6+ hxg6 33. f5 Rg8 34. Kf2 Qb4 35. fxg6+ Rxg6 36. Rxf1 Kg7 37. Ke2) 31. Rfe1 Qb4 32. Rbd1?? { (-1.26 → -3.26) Blunder. Re3 was best. } (32. Re3 Qd4 33. Qe2 Kf8 34. Kh2 Qxd5 35. Rb2 Qf7 36. Qd3 d5 37. Ra2 d4 38. Rxe4 fxe4) 32... Nf6?? { (-3.26 → 2.97) Blunder. Qxb3 was best. } (32... Qxb3 33. Qxb3 Rxb3 34. Kg2 Nf6 35. Rf1 Nh5 36. Kh2 Rb2+ 37. Kg1 Rb4 38. Rb1 Rd4 39. Rbd1) 33. Qxf5 Qxb3?? { (2.55 → 37.75) Blunder. Rb7 was best. } (33... Rb7 34. Re3) 34. Qe6+? { (37.75 → 5.19) Mistake. Rxe7+ was best. } (34. Rxe7+ Kxe7 35. Re1+ Kd8 36. Qxf6+ Kc8 37. Qe6+ Kc7 38. Qe7+ Kb6 39. Qxd6+ Ka5 40. Qxc5+ Rb5) 34... Ke8?? { (5.19 → Mate in 1) Checkmate is now unavoidable. Kg6 was best. } (34... Kg6 35. Rd2 Qf3+ 36. Rg2+ Qxg2+ 37. Kxg2 Re8 38. Kh2 Kg7 39. Rg1+ Kf8 40. Rg2 Ra8 41. Qf5) 35. Qxe7# { White wins by checkmate. } 1-0