[Event "St Petersburg International Preliminary"] [Site "St Petersburg"] [Date "1914.04.22"] [Round "2"] [White "Capablanca, Jose Raul"] [Black "Marshall, Frank James"] [Result "1/2-1/2"] [ECO "C42"] [Annotator "Tactical Analysis 4.1 (180s)"] [PlyCount "68"] [EventDate "1914.04.21"] [EventType "tourn"] [EventRounds "11"] [EventCountry "RUS"] [SourceTitle "Tarrasch"] [Source "ChessBase"] [SourceDate "2018.10.02"] [SourceVersion "1"] [SourceVersionDate "2018.10.02"] [SourceQuality "1"] {[%evp 12,68,19,9,4,0,12,0,35,30,27,22,52,26,33,24,33,36,25,26,26,26,53,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} {Análisis de Fat Fritz 2.0.} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. c4 (7. O-O O-O 8. Re1 Nf6 9. Bg5 Bg4 10. Nbd2 Nbd7 11. c3 h6 12. Bh4 c5 13. Qc2 Qb6 14. h3 Bxf3 15. Nxf3 Rfe8 16. Bf5 {1/2-1/2 (25) Capablanca, J-Marshall,F New York 1909}) 7... Bb4+ {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} 8. Nbd2 O-O 9. O-O Nxd2 $146 ({Predecessor:} 9... Re8 10. cxd5 Nf6 11. Ne5 Nbd7 12. Ndf3 Nxd5 13. Nxf7 Kxf7 14. Ng5+ Kf8 15. Qh5 { 1-0 (15) Capablanca,J-Black,R New York 1913}) 10. Bxd2 Bxd2 11. Qxd2 Nc6 12. Rfe1 Bg4 13. Ne5 Nxe5 14. Rxe5 dxc4 15. Bxc4 Qf6 16. Rae1 Rad8 17. Re7 (17. h3 $14 Bc8 18. Bb3) 17... Be6 $11 {The position is equal.} 18. R7xe6 fxe6 19. Rxe6 Qxd4 20. Re8+ (20. Qxd4 {with more complications.} Rxd4 21. Re4+ Rxc4 22. Rxc4 Rd8 23. Kf1) 20... Qxc4 21. Rxd8 Rxd8 22. Qxd8+ {[%mdl 4096] Endgame KQ-KQ} Kf7 23. Qd7+ Kf6 {[#] ( -> ...Qc1+)} 24. g4 Qxa2 25. Qd8+ (25. Qf5+ {seems wilder.} Ke7 26. Qe5+ Kf8 27. Qf4+ Kg8 28. Qe4) 25... Kg6 26. Qd3+ Kf7 27. Qf3+ Ke7 28. Qxb7 Qc4 29. h3 Kd6 30. b3 Qd4 31. Qa6+ c6 32. Qb7 a5 33. Qb8+ Kd7 34. Qb7+ Kd6 {Weighted Error Value: White=0.05/Black=0.05} 1/2-1/2