[Event "British CF-15 London International"] [Site "London"] [Date "1922.07.31"] [Round "1"] [White "Alekhine, Alexander"] [Black "Marotti, Davide"] [Result "1-0"] [ECO "D70"] [Annotator "Tactical Analysis 4.1 (180s)"] [PlyCount "53"] [EventDate "1922.07.31"] [EventType "tourn"] [EventRounds "15"] [EventCountry "ENG"] [SourceTitle "HCL"] [Source "ChessBase"] [SourceDate "1999.07.01"] [SourceVersion "2"] [SourceVersionDate "1999.07.01"] [SourceQuality "1"] {[%evp 13,53,83,82,86,78,39,39,39,118,118,136,124,133,102,121,90,256,121,121, 114,138,54,94,99,180,153,152,158,298,280,447,450,429,449,428,440,639,617,712, 702,1109,1105]} {Analizada por Fat Fritz 2.0.} 1. d4 d5 2. c4 Nf6 3. cxd5 Nxd5 4. e4 Nb6 5. Nc3 g6 $5 {Trasponiendo a la Defensa Grunfeld que en aquellos momentos no había sido desarrollada convenientemente todavía. Era sin duda, una de las señales del llamado "Hipermodernismo".} 6. Nf3 Bg4 7. Be3 Bg7 8. Be2 {D70: Grünfeld: Unusual White 3rd moves (met by ...d5).} O-O {[#]} 9. Qd2 ( {Por ejemplo, Andersson jugó aquí contra Korchnoi en 1984:} 9. Qd3 Nc6 10. Rd1 Qc8 11. Qc2 e5 12. d5 Bxf3 13. Bxf3 Nd4 14. Bxd4 exd4 15. Ne2 c6 16. dxc6 Qxc6 17. Qxc6 bxc6 18. e5 Rae8 19. Rxd4 c5 20. Rd2 Nc4 21. Rc2 Nxe5 22. b3 c4 23. O-O cxb3 24. axb3 Nxf3+ 25. gxf3 Rb8 26. Rb1 a5 27. Ra2 Rb5 28. Kg2 Rfb8 29. Ng3 Rd5 30. Ne4 Kf8 31. Rc1 Be5 32. Rc5 Rxc5 33. Nxc5 Rb5 34. Nd7+ Ke7 35. Nxe5 Rxe5 36. Rd2 Rb5 37. Rd3 Ke6 38. f4 Rd5 39. Rc3 Kd6 40. Rc8 Rb5 41. Rc3 f6 42. f3 Kd5 43. Kg3 Kd4 44. Rc7 Rxb3 45. Rxh7 a4 46. f5 g5 47. Ra7 a3 48. Ra6 Ke5 49. Ra5+ {½-½ (50) Andersson,U (2630)-Kortschnoj,V (2635) London Philips & Drew (10) 1984}) 9... Bxf3 10. gxf3 $1 {White is slightly better.} e5 ({ Black should play} 10... e6 $14) 11. d5 $1 $16 Qe7 12. h4 h5 13. O-O-O N8d7 14. Kb1 a6 $2 (14... c6 $16) 15. Rc1 (15. d6 $18 Qd8 16. dxc7 Qxc7 17. Rc1) 15... Rac8 16. Nd1 Bf6 17. Bh6 ({Better is} 17. b3 $16) 17... Rfe8 18. Ne3 Kh8 (18... Qd6 $16) 19. Rhg1 Rg8 20. Bf1 Nf8 {[#]} (20... Bxh4 $16 21. Bh3 Qf6) 21. Bh3 $1 Rd8 (21... Nfd7 $142 22. Nc4 Nxc4 23. Rxc4 Nb6) 22. Bxf8 $18 {[%mdl 64] Overworked Piece. White is clearly winning.} Qxf8 {Unica.} ({Of course not} 22... Rgxf8 23. Nf5 $1 {[%mdl 512]}) 23. Rxc7 Bxh4 24. Rxb7 Rd6 (24... Nc8 $142 25. Bxc8 Rxc8) 25. Rc1 Bd8 26. Rc6 Rg7 27. Qb4 $1 {[%mdl 64] [#] Double Attack. Weighted Error Value: White=0.15/Black=0.53} 1-0