[Event "World-ch13 Alekhine-Bogoljubow +11-5=9"] [Site "GER/NLD"] [Date "1929.09.06"] [Round "1"] [White "Alekhine, Alexander"] [Black "Bogoljubow, Efim"] [Result "1-0"] [ECO "D31"] [Annotator "ChessBase"] [PlyCount "51"] [EventDate "1929.09.06"] [EventType "match"] [EventRounds "25"] [EventCountry "GER"] [SourceTitle "MainBase"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "2"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] {[%evp 0,51,19,31,19,-16,26,22,29,25,11,-14,61,27,27,6,-13,40,45,50,14,50,60, 76,86,105,106,66,220,221,210,221,214,179,157,106,182,161,184,205,365,357,342, 342,342,448,553,604,665,665,693,715,747,707]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 e6 $2 (5... Bf5) 6. e4 Bb4 (6... c5 7. e5 Nd5 8. Bxc4 Nc6 9. O-O cxd4 10. Nxd4 $1 Nxc3 (10... Nb6 11. Bb5 Bd7 12. Nxc6 Bxc6 13. Qg4 $16) 11. bxc3 Nxe5 12. Bb5+ Bd7 13. Nxe6 $1 fxe6 14. Qh5+ Nf7 15. Rd1 $18 { Müller-Meesen/corr/1936}) 7. e5 (7. Bg5 $6 Bxc3+ $1 (7... c5 $1) 8. bxc3 Qa5 $17 {Bogoljubow}) (7. Qc2 b5 8. Be2 Nbd7 9. O-O $36) 7... Nd5 $2 (7... Ne4 8. Qc2 Qd5 9. Be2 c5 (9... O-O 10. O-O Nxc3 11. bxc3 Be7 12. Nd2 c5 13. Bxc4 Qd8 14. Qe4 {Alekhine-Helling,K/Dresden/1936/1:0/40}) (9... b5 10. O-O Bxc3 11. bxc3 O-O 12. Ne1 $16 {Alekhine}) 10. O-O Nxc3 11. bxc3 cxd4 12. Nxd4 (12. cxd4 c3 13. Bd2 $1 $16 {/+- Alekhine-Euwe(19)/Wch16-NLD(Zeist)/1935/1:0/57}) 12... Bc5 13. Nf3 Nd7 14. Rd1 Qc6 15. Bxc4 {Alekhine-Bogoljubow,E/Nottingham/1936/1: 0/47}) 8. Bd2 Bxc3 (8... b5 9. Ne4 Be7 10. b3 $1 $16 {Alekhine} Nd7 11. bxc4 bxc4 12. Bxc4 N7b6 13. Bb3 (13. Be2 a5 $14 {[%CAl Yd5b4] /\Nb4}) 13... Ba6 $14 {Kotov}) 9. bxc3 b5 10. Ng5 $1 f6 (10... h6 11. Ne4 O-O 12. Qh5 (12. Nd6 $16) 12... f6 (12... f5 13. Nd6 {[%CAl Yg2g4] /\g4->}) 13. Qg6 Kh8 14. Nd6 Qd7 15. h4 $1 $40) (10... Nxc3 $4 11. Qf3 $18) (10... Qe7 $142) (10... O-O 11. Qb1 $1 { [%CAl Ya4b5] /\12.ab}) 11. exf6 $1 (11. Ne4 fxe5 12. dxe5 O-O) 11... Nxf6 $2 ( 11... gxf6 $1 12. Qh5+ Kd7 13. Ne4 Qe8 14. Qh4 Qg6 $14 {Bolbochan-Letelier/Mar del Plata/1952}) (11... Qxf6 $2 12. axb5 cxb5 13. Ne4 Qe7 (13... Qh4 14. Nd6+ Kd7 15. g3) 14. Bg5 Qc7 15. Qh5+ g6 16. Qh6 $16) 12. Be2 a6 (12... O-O 13. axb5 h6 (13... cxb5 14. Bf3 Nd5 15. Qb1) 14. b6 $1 Qxb6 (14... hxg5 15. Rxa7 $1 $18) 15. Nf3 Ba6 16. Ne5 $18) 13. Bf3 $1 h6 $8 (13... Ra7 14. Bf4 Rb7 (14... Qb6 15. Bd6 $16 {/+-() Kotov}) 15. axb5 axb5 16. Ra8 $40 {+- Alekhine} Bd7 17. Bd6 Qc8 18. Bh5+ g6 19. Qf3 Nd5 20. Qf7+ Kd8 21. Bf3 Re8 22. Qf6+ Nxf6 23. Nf7#) (13... Nd5 14. Qc2 g6 15. Nxh7 Rxh7 16. Qxg6+ Rf7 17. Bh5 Qf6 (17... Raa7) 18. Qg8+ $18) 14. Bh5+ Nxh5 (14... Ke7 15. Nf7 Qe8 16. Nxh8 Nxh5 17. Qg4 $18) 15. Qxh5+ Kd7 16. Nf7 Qe8 17. Qg6 Rg8 18. Bf4 Bb7 (18... Rf8 19. Ne5+ Kd8 20. Qe4 { [%CAl Ya4b5,Ye5c6] /\21.ab, 21.Nc6}) 19. Bg3 Ke7 20. Bd6+ Kd7 21. O-O {[%CAl Yf2f5] /\f4-f5} c5 22. dxc5 Bd5 (22... Nc6 23. Rfd1) 23. axb5 axb5 24. Rxa8 Bxa8 25. Ra1 Nc6 (25... Bb7 26. Ra7 Kc8 27. Bg3 $18 {[%CAl Yf7d6] /\Nd6}) 26. Ne5+ $1 (26. Ne5+ $1 Nxe5 (26... Kc8 27. Rxa8+) 27. Ra7+ Kc6 28. Qe4#) 1-0