[Event "British CF-15 London International"]
[Site "London"]
[Date "1922.08.07"]
[Round "6"]
[White "Wahltuch, Victor Leonard"]
[Black "Alekhine, Alexander"]
[Result "1/2-1/2"]
[ECO "D05"]
[Annotator "Tactical Analysis 4.1 (180s)"]
[PlyCount "94"]
[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"]
{Analizada por Fat Fritz 2.0.} 1. d4 Nf6 2. Nf3 e6 3. Nbd2 c5 4. e3 Nc6 5. c3
d5 6. Ne5 {D05: Colle System with ...e6.} (6. Bd3) (6. Be2) 6... Nxe5 $146 (
6... cxd4 7. Nxc6 bxc6 8. exd4 Bd6 9. Bd3 O-O 10. O-O Qc7 11. h3 c5 12. Re1 Bb7
13. Nf3 Ne4 14. Ng5 Nxg5 15. Bxg5 h6 16. dxc5 Bh2+ 17. Kh1 hxg5 18. Qh5 Rfe8
19. Qh7+ Kf8 20. Qh8+ Ke7 21. Qxg7 Rg8 22. Rxe6+ Kxe6 23. Re1+ Be5 24. Rxe5+
Qxe5 {0-1 (24) Tennenwurzel,E-Marshall,F, American National Manhattan CC New
York (11) 1913}) (6... Be7 7. Bd3 O-O 8. O-O Nxe5 9. dxe5 Nd7 10. f4 f5 11.
exf6 Rxf6 12. e4 Nf8 13. Nf3 Ng6 14. e5 Rf8 15. Qc2 Qe8 16. c4 d4 17. h4 Kh8
18. g3 Rg8 19. h5 Nf8 20. g4 g6 21. hxg6 Nxg6 22. g5 Bd7 23. Qh2 Rg7 24. Qh3
Bc6 25. Nh2 Nxe5 26. fxe5 Bxg5 27. Ng4 h5 28. Rf8+ Qxf8 29. Qxh5+ Kg8 30. Bxg5
Qf3 31. Nf6+ Kf8 32. Qxf3 {1-0 (32) Breyer,G-Maroczy,G Berlin International (3)
1920}) 7. dxe5 Nd7 8. f4 $1 f6 (8... c4 $11) 9. Bd3 $14 g6 10. exf6 Nxf6 11.
Nf3 (11. e4 $1 $14) 11... Bg7 $11 12. O-O O-O 13. Qe2 Qb6 14. Rb1 a5 {[#]} (
14... c4 $11 15. Bc2 Qc5) 15. Bd2 (15. c4 $14) 15... Bd7 (15... c4 $11 16. Bc2
Qc7) 16. Ne5 Ba4 17. b3 Be8 18. c4 Nd7 19. Ng4 (19. Nf3 $1 Nf6 20. Bc3 Bc6 21.
Ng5 Rae8 22. Qe1 $16) 19... Nb8 $14 20. Bc1 Nc6 21. cxd5 exd5 22. Bb2 d4 23. f5
(23. Ne5 $14) 23... gxf5 $11 24. Bxf5 Ne7 25. Bd3 {[#]} Rxf1+ (25... Bg6 $1 $11
) 26. Rxf1 $16 Ng6 $2 {[%mdl 8192]} (26... Bg6 $16) 27. exd4 $18 cxd4 28. Qf2
Rd8 (28... Rc8 $142 29. Bc4+ Kh8) 29. Qf5 $2 (29. Bc1 $18 {is the precise move
to win.}) 29... Kh8 {[#]} ({Black should try} 29... Bd7 30. Nf6+ Bxf6 31. Qxf6
Qxf6 32. Rxf6 Ne5) 30. Kh1 $2 (30. Qg5 $1 Rc8 31. Nh6 Qc5 32. Nf5 Bd7 33. Rc1
$16) 30... a4 31. Nf6 Bxf6 32. Qxf6+ Qxf6 33. Rxf6 axb3 34. axb3 Ne5 35. Be4 (
35. Be2 {keeps more tension.} Bg6 36. Rf4 Nc6 37. Kg1 h5 38. Kf1) 35... Kg8 {
...d3 is the strong threat.} 36. Rf1 ({But not} 36. Bxb7 $2 d3 $1 $19) (36. Kg1
{with more complications.} d3 37. Bxe5 d2 38. Bf3 d1=Q+ 39. Bxd1 Rxd1+ 40. Rf1)
36... Bc6 37. Bf5 {[#]} Kg7 $2 (37... Bd7 $11 38. Bxd4 Bxf5 39. Bxe5 Be6) 38.
Kg1 (38. Rf4 $18 Kh6 39. Bxd4) 38... h5 $2 (38... Be8 $11 39. Be4 Nc6) 39. Bb1
$2 (39. Rf4 $18) 39... Bb5 (39... Be8 {is more complex.} 40. Be4 Bc6 41. Bc2
Be8 42. Rf4 Nc6) 40. Rd1 (40. Rf4 {seems wilder.} Nc6 41. Kf2 Rf8 42. Rxf8 Kxf8
43. Be4) 40... Nc6 {The position is equal.} 41. Be4 Kf7 42. Bxc6 (42. Kf2 {
is interesting.} h4 43. g3 hxg3+ 44. hxg3 Ke6 45. g4) 42... bxc6 43. Rxd4 Rxd4
44. Bxd4 $11 {[#] KB-KB} Bd3 45. Kf2 Bc2 46. b4 Be4 47. g3 Kg6 {Weighted Error
Value: White=0.47/Black=0.46} 1/2-1/2
