[Event "BOYS under 16"] [Site "https://lichess.org/NaeAvKAB"] [Date "2021.03.26"] [White "U16Amanzhol_Sultan"] [Black "IsumbayevErnazar2006"] [Result "1-0"] [UTCDate "2021.03.26"] [UTCTime "08:00:01"] [WhiteElo "2315"] [BlackElo "2327"] [WhiteRatingDiff "+62"] [BlackRatingDiff "-19"] [Variant "Standard"] [TimeControl "900+10"] [ECO "D35"] [Opening "Queen's Gambit Declined: Exchange Variation, Positional Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 { D35 Queen's Gambit Declined: Exchange Variation, Positional Variation } Be7 6. e3 c6 7. Bd3 O-O 8. Qc2 h6 9. Bh4 Nbd7 10. Nge2 Nh5 11. Bxe7 Qxe7 12. O-O Nb6 13. Rae1 Nf6 14. Ng3 Be6 15. f3 c5 16. Qf2 Rfd8 17. Bb1 cxd4 18. exd4 Qb4 19. a3 Qb3?? { (-0.19 → 7.01) Blunder. Qd6 was best. } (19... Qd6 20. Bf5 Bd7 21. Bd3 Rac8 22. Re5 Nc4 23. Rfe1 a6 24. Bxc4 Rxc4 25. Nf1 Be6 26. Ne3) 20. Ba2 Qc4 21. Bxc4 dxc4 22. Nge4 Nfd5 23. Nc5 Bf5 24. Re5 Nxc3 25. bxc3 Bg6 26. Rfe1 Nd5 27. Nxb7 Rdb8 28. Rxd5 Rxb7 29. h4 Rab8 30. h5 Bd3 31. Qg3 Rb3 32. Rd7 R3b5 33. Qf4 Rf8? { (9.25 → Mate in 8) Checkmate is now unavoidable. Bf5 was best. } (33... Bf5 34. Rde7) 34. Re5? { (Mate in 8 → 8.56) Lost forced checkmate sequence. Re8 was best. } (34. Re8 Rb1+ 35. Kh2 Kh7 36. Rxf8 Rb5 37. Qxf7 Rxh5+ 38. Qxh5 Bg6 39. Qe5 Bf7 40. Rdxf7 Kg6) 34... Rb6? { (8.56 → Mate in 8) Checkmate is now unavoidable. Rxe5 was best. } (34... Rxe5 35. Qxe5) 35. Ree7? { (Mate in 8 → 9.10) Lost forced checkmate sequence. Re8 was best. } (35. Re8 Kh7 36. Rxf8 Rb1+ 37. Kh2 Rb5 38. Qxf7 Rxh5+ 39. Qxh5 Bg6 40. Qe5 Bf7 41. Rdxf7 Kg6) 35... Rf6 36. Qe5 Rf5 37. Qe3 Rxh5 38. Rxf7 Rxf7 39. Qe8+ Rf8 40. Qxh5 Rb8? { (8.97 → Mate in 2) Checkmate is now unavoidable. Rf6 was best. } { Black resigns. } (40... Rf6 41. Qe5) 1-0