[Event "St Petersburg Chigorin Memorial"] [Site "St Petersburg"] [Date "1909.02.28"] [Round "10"] [White "Cohn, Erich"] [Black "Rubinstein, Akiba"] [Result "0-1"] [ECO "D21"] [Annotator "Monokroussos,Dennis"] [PlyCount "49"] [EventDate "1909.02.15"] [EventType "tourn"] [EventRounds "19"] [EventCountry "RUS"] [SourceTitle "EXT 2017"] [Source "ChessBase"] [SourceDate "2016.10.25"] [SourceVersion "1"] [SourceVersionDate "2016.10.25"] [SourceQuality "1"] {[%evp 0,76,29,26,23,23,47,47,52,-18,-18,-18,-26,-49,-33,-33,-33,-33,-15,-23,-13,-9,-21,-17,21,-3,-4,-5,-5,-11,-6,-6,-9,-27,-27,-21,-21,-21,-22,-22,-13,-13,-17,-20,-20,-20,-20,-22,-22,-71,-71,-71,-75,-77,-77,-77,-77,-77,-77,-77,-77,-242,-255,-364,-412,-1022,-998,-1023,-1023,-1085,-1134,-1378,-1386,-1413,-1318,-1405,-1339,-1328,-1328]} 1. d4 d5 2. Nf3 c5 3. c4 dxc4 4. dxc5 Qxd1+ 5. Kxd1 Nc6 6. e3 Bg4 7. Bxc4 e6 8. a3 Bxc5 9. b4 Bd6 10. Bb2 Nf6 11. Nbd2 Ke7 12. Ke2 Be5 13. Bxe5 Nxe5 14. Rhc1 Rac8 15. Bb3 Rhd8 16. Nc4 Nxc4 17. Rxc4 Rxc4 18. Bxc4 Ne4 19. Ke1 Bxf3 20. gxf3 Nd6 21. Be2 Rc8 22. Kd2 Nc4+ 23. Bxc4 Rxc4 24. Rc1 $4 (24. f4 $11) 24... Rxc1 25. Kxc1 {Black to move and win. Prove it with variations!} 0-1