[Event "FIDE Chesscom Grand Swiss 2021"] [White "Yu,Yangyi"] [Black "Najer,Evgeniy"] [Site "Riga"] [Round "9.8"] [Annotator "TA"] [Result "1-0"] [Date "2021.11.05"] [WhiteElo "2704"] [BlackElo "2654"] [PlyCount "65"] 1. c4 {} e5 2. g3 d6 3. Nc3 f5 4. Bg2 Nf6 5. Nf3 Be7 6. 0-0 {A21: English Opening: 1...e5 2 Nc3.} 0-0 7. b4 { } Kh8 8. d3 {White is slightly better.} Qe8 9. a4 $5 { [#] A promising side line.} a5 $146 ({Predecessor:} 9... Qh5 10. e3 a5 11. b5 Nbd7 12. Ba3 Rb8 13. Rc1 Bd8 14. Nh4 Qxd1 15. Rfxd1 g6 16. Nf3 { 1-0 (27) Geerken,L (2024)-Hermannsdoerfer,F (1833) GER email 2016} )10. b5 Nbd7 11. e3 Rb8 12. Ba3 b6 13. Nd2 Bb7 14. Bxb7 Rxb7 15. Qf3 Rb8 16. Rae1 Qg6 (16... d5 $5 {} 17. Bxe7 Qxe7 $11 )17. Qc6 e4 18. d4 (18. Qxc7 Rfc8 $15 )Rbd8 19. f3 {} (19. Qxc7 $6 Rc8 $11 )exf3 (19... Qh5 $14 )20. Nxf3 (20. Qxf3 $16 Qg5 21. Qxf5 )Nb8 $2 (20... Qh5 $14 )21. Qxc7 $18 Nbd7 {[#] intending ...Rc8.} 22. Nh4 ({Not} 22. Bxd6 Rc8 $11 )(22. Ne5 $1 $18 {} dxe5 23. Bxe7 )Qh5 $16 {[#]} 23. Rxf5 (23. Qb7 $1 $18 )g5 {[#] And now ...Qg4 would win.} 24. Ref1 $1 Qh6 $2 {} (24... Qg4 $16 {is a better chance.} 25. Ng2 (25. Bxd6 Rc8 $17 )Rc8 )25. Nf3 $18 Rc8 26. Qb7 Rxc4 27. Bb2 g4 (27... Rcc8 $142 28. Nxg5 Ng4 29. Nf7+ { Overworked Piece} Rxf7 30. Qxc8+ Nf8 )28. Ng5 {White is clearly winning.} Kg8 29. Nd5 { Double Attack} Bd8 30. Ne6 Rc2 31. R1f2 Rxf2 32. Rxf2 Ne4 33. Rxf8+ {Weighted Error Value: White=0.33/Black=0.54} 1-0