Chess game: Fier x Valenzuela

[Event "VII Sunway Sitges Open 2020"] [Site "Sitges"] [Date "2020.12.14"] [Round "2.10"] [White "Fier, Alexandr"] [Black "Valenzuela Gomez, Fernando"] [Result "1-0"] [ECO "B90"] [WhiteElo "2558"] [BlackElo "2390"] [Annotator "GM Rafael Leitão"] [PlyCount "77"] [EventDate "2020.12.13"] [EventType "swiss"] [EventCountry "ESP"] [Tiebreak "Cut2 Buchholz+Median1 Buchholz"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 23,77,27,30,27,21,16,29,29,23,0,0,0,0,0,0,0,0,0,0,-44,76,74,78,78,78,10, 33,0,7,0,-9,-26,0,-30,75,76,78,53,61,66,354,296,286,233,206,164,215,216,233, 231,633,638,1013,985,12837,12837] White to play in the diagram position.} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 Be7 9. Qd2 O-O 10. O-O-O Nbd7 11. g4 b5 12. g5 Nh5 13. Kb1 Nb6 14. Na5 Rc8 15. a3 g6 16. Rg1 Qc7 17. Nd5 Nxd5 18. exd5 Bd7 19. c4 Nf4 20. Rc1 Qd8 (20... Qb8) 21. h4 $146 Re8 $6 (21... Bf5+ 22. Ka1 Nxd5 $1 { [%mdl 512]} 23. Nb7 Qc7 24. Qxd5 Be6 25. Qe4 bxc4 $11) 22. Nc6 $1 {[%cal Rc6d8] } Bxc6 23. dxc6 $14 b4 $1 24. Qxb4 (24. axb4 Rxc6 25. Bxf4 exf4 26. Rg4 $14) 24... Rxc6 25. Qa4 Qc7 26. h5 Rb8 27. h6 d5 28. Rc2 Bc5 $2 {[#]} (28... d4 29. Bxf4 exf4 30. Bd3 Rc5 $11) 29. Bxf4 $1 Bxg1 (29... exf4 30. cxd5 $16) 30. Bxe5 $1 {[%mdl 512]} Qxe5 31. Qxc6 Qe1+ $6 {[%mdl 8192] This costs Black the game.} (31... Be3 $16) 32. Ka2 $18 Bd4 (32... Qxf1 $2 33. Qf6 $18) 33. cxd5 {[%mdl 128]} Qc1 {[%cal Rb8b2]} 34. Qe8+ $1 Rxe8 35. Rxc1 Rb8 36. Rc2 a5 37. d6 Kf8 38. Bb5 $1 {[%mdl 512]} Be3 (38... Rxb5 39. Rc8#) 39. d7 1-0 You must activate JavaScript to enhance chess game visualization.

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