[Event "Hasselbacken Open 2021"] [Site "Stockholm"] [Date "2021.11.05"] [Round "1.2"] [White "Seo, Jung Min"] [Black "Lindh, Stefan"] [Result "1-0"] [ECO "A57"] [WhiteElo "2455"] [BlackElo "1872"] [Annotator "TA"] [PlyCount "51"] [EventDate "2021.11.05"] [EventType "swiss"] [EventCountry "SWE"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,51,30,29,30,30,26,25,21,17,27,42,18,39,27,27,23,54,59,60,25,31,23,31, 36,32,41,128,122,120,121,127,138,125,127,123,114,231,245,383,385,501,509,778, 769]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. a3 g6 5. Nc3 bxc4 6. e4 {And now e5 would win. A57: Benko/Volga Gambit.} d6 7. Bxc4 Bg7 8. Nf3 {White has an edge.} Nbd7 9. O-O O-O {[#]} 10. h3 $146 ({Predecessor:} 10. Re1 Nb6 11. Ba2 Bg4 12. h3 Bxf3 13. Qxf3 Nfd7 14. Bg5 a5 15. Qe2 a4 16. Rab1 {1-0 (29) Paravyan,D (2629) -Papenin,N (2334) Sochi 2018}) 10... Rb8 11. Re1 Ne8 12. Qc2 Qa5 13. Bd2 Qb6 14. Rab1 Ba6 15. Na4 $36 {[%mdl 2048] White is more active.} Qb7 16. b4 Bxc4 17. Qxc4 {[%cal Rb4c5]} Qb5 (17... cxb4 $14 18. Rxb4 Qc8) 18. Qxb5 $16 Rxb5 19. bxc5 Rxb1 20. Rxb1 {Hoping for Rb7.} Nxc5 21. Nxc5 dxc5 22. Rb7 {Strongly threatening e5.} Nf6 (22... Nd6 $16 {might work better.} 23. Rxe7 (23. Rxa7 Nxe4 24. Rxe7 f5 $11) 23... Bf6 24. Rxa7 Nxe4) 23. Rxe7 $18 a6 (23... Rb8 $142 24. Bg5 c4) 24. d6 Rd8 25. e5 Ne4 (25... Nd5 $142 26. Ra7 Bf8) 26. Ba5 { Weighted Error Value: White=0.06/Black=0.31} 1-0