[Event "World-ch14 Alekhine-Bogoljubow +8-3=15"] [Site "Germany"] [Date "1934.06.03"] [Round "23"] [White "Bogoljubow, Efim"] [Black "Alekhine, Alexander"] [Result "1-0"] [ECO "D23"] [Annotator "ChessBase"] [PlyCount "115"] [EventDate "1934.04.01"] [EventType "match"] [EventRounds "26"] [EventCountry "GER"] [SourceTitle "MainBase"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "2"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. Qa4+ c6 $1 (4... Nbd7 5. Qxc4 (5. Nc3 e6 6. e4 c5 7. d5 $1 exd5 8. e5 $40 d4 9. exf6 dxc3 10. Bxc4 Qxf6 11. Bg5 Qc6 12. O-O-O $1 $18 {Bogoljubow}) 5... e6 {[%CAl Yc7c4] /\c5}) 5. Qxc4 Bf5 6. Nc3 e6 7. g3 (7. e3 b5 8. Qb3 b4 {/\Be4 Nimzowitsch}) 7... Nbd7 8. Bg2 Bc2 {[%CAl Rd7b6] /\9.... Nb6} 9. e3 Be7 10. O-O O-O 11. a3 (11. Qe2 $142 {[%CAl Ye3e4] / \e4}) 11... a5 12. Qe2 Bg6 13. e4 Qb6 14. h3 Qa6 $6 (14... c5 $142 15. d5 exd5 16. exd5 Rfe8) 15. Qe3 c5 16. e5 {[%CAl Yd4d5] /\17.d5} Nd5 (16... cxd4 17. Qxd4 (17. Nxd4 Bc5 $1 18. exf6 e5 19. fxg7 Rfe8 20. Qh6 $132) 17... Nd5 18. Nxd5 exd5 19. Be3 $14 {Bogoljubow}) 17. Nxd5 exd5 18. Bd2 Be4 19. Bc3 c4 (19... cxd4 20. Nxd4 Nxe5 $2 21. f3 Nc4 (21... Qd3 22. Qe1) 22. Qe2 $18) (19... f6 $142 20. exf6 Rxf6) 20. Ne1 Bxg2 (20... f5 $1 21. f3 f4 $1 22. gxf4 Bf5 { /\-><< Bogoljubow}) 21. Nxg2 b5 22. f4 Qh6 $2 (22... b4 23. axb4) (22... f5 $142) 23. Qf3 b4 24. Bd2 (24. Qxd5 Nb6 $1 25. Qb7 bxc3 26. Qxe7 cxb2 $19) 24... Nb6 25. g4 Qc6 26. f5 {[%CAl Rf5f6] /\27.f6} f6 27. Nf4 Rfc8 28. exf6 Bxf6 29. Ne6 c3 30. bxc3 Nc4 (30... bxc3 31. Bf4 Qc4 32. Be5 $16) 31. Bf4 Nxa3 (31... b3 ) 32. g5 Bd8 33. Be5 (33. Qh5 Ra7 34. g6 hxg6 (34... h6 35. Bxh6 gxh6 36. f6 $1 Qxe6 37. f7+ $18) 35. fxg6 Qxe6 36. Bd6 $1 $18) 33... Ra7 34. Qh5 Nc4 (34... Qxc3 $4 35. Qe8#) (34... g6 35. Qg4 $18) 35. cxb4 $2 (35. g6 $142 h6 36. Bxg7 Rxg7 37. Qxh6 $18 {Lasker} Bf6 $145 (37... Rcc7 38. Nxd8 {[%CAl Rd8e6] /\39.Ne6 }) (37... Qd7 38. f6) (37... Qb7 38. f6) 38. Nxg7 Bxg7 39. Qh7+ Kf8 40. f6) ( 35. Bxg7 $1 {Bogoljubow} Rxg7 $145 36. Nxg7 Kxg7 (36... Ne3 37. g6 hxg6 38. fxg6 Bf6 39. Ne8 $18) 37. f6+ Bxf6 (37... Kg8 38. f7+ Kf8 39. Rae1 $18) 38. gxf6+ Kh8 39. Rae1 Ne3 40. Rxe3 Rg8+ 41. Kh1 Qa6 42. Rff3 $18) 35... Nxe5 36. dxe5 Bb6+ 37. Kh1 d4+ 38. Qf3 Qxf3+ (38... d3 39. Rad1) (38... axb4 39. Qxc6 Rxc6 40. Rxa7 Bxa7 41. Ra1 d3 42. Rxa7 d2 (42... Rc1+ 43. Kg2 d2 44. Rxg7+ Kh8 45. Rf7 Rb1 46. Rf8#) 43. Ra8+ Kf7 44. Nd8+ Ke7 45. Nxc6+ $18) 39. Rxf3 Rc3 ( 39... axb4 $2 40. Rxa7 Bxa7 41. f6 $18) 40. Rff1 $1 (40. Rxc3 $2 dxc3 41. bxa5 Be3 $1 42. Ra2 Rb7 43. a6 Rb1+ 44. Kg2 Rb2+ $19 {Bogoljubow}) 40... d3 (40... axb4 41. Kg2) (40... Rxh3+ 41. Kg2 Rc3 (41... Re3 42. bxa5 Bxa5 (42... Rxa5 43. f6 gxf6 44. Rxf6 $18) 43. Nxd4 $18 {Bogoljubow}) 42. f6 gxf6 43. gxf6 Rc6 44. Ng5 $18) 41. f6 $1 {The sealed move!} Rc6 (41... gxf6 42. gxf6 $18) 42. Nxg7 Rxg7 43. fxg7 axb4 44. Rf6 Bd4 45. Ra8+ Kxg7 46. Rxc6 d2 47. Rc7+ Kg6 48. Rg8+ Kf5 (48... Kh5 49. Rxh7#) 49. Rf8+ Ke4 50. Rf1 Bxe5 51. Rc4+ Kd3 52. Rxb4 Bg3 53. Kg2 Be1 54. Rb1 Bh4 55. Rb3+ Ke2 56. Rb5 Ke3 57. Rd5 Ke2 58. Rf7 1-0