[Event "Zurich 200 Year Jubilee simul"]
[Site "?"]
[Date "2009.08.22"]
[Round "?"]
[White "Kasparov"]
[Black "N.N. (Board 8)"]
[Result "1-0"]
[ECO "A31"]
[BlackElo "2000"]
[Annotator "Deutschmann,Matthias"]
[PlyCount "81"]
[EventDate "2006.08.05"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e5 5. Nb5 d5 6. cxd5 Bb4+ {Kasparov
himself has played Bc5 in this position.} 7. N1c3 O-O 8. a3 Bc5 9. Na4 $1 Bb6
10. Nxb6 Qxb6 11. Nc3 (11. e4 Nxe4 12. Be3 Qd8 13. Qc2 Bf5 14. Bd3 Qd7 15. Rc1
Na6 16. Nxa7 Qxd5 17. Ke2 Rfd8 18. Rhd1 Nxf2 19. Bxf2 e4 20. Bb5 Bg4+ 21. Ke1
Bxd1 22. Rxd1 {Perhaps Fritz would have played this line, but Kasparov's
knight retreat is simple and good!}) 11... Bf5 12. e3 Na6 13. f3 e4 14. g4 Bg6
15. f4 h5 16. f5 Bh7 17. g5 Ng4 18. Qd4 Rfe8 (18... Nc5 19. Be2 (19. h3 Qd6 20.
hxg4 Qg3+ 21. Kd1 Qf3+ 22. Kc2 Qxh1 23. Bd2 Rac8)) 19. Bb5 Ne5 20. O-O (20.
Qxb6 axb6 $18) 20... Nf3+ 21. Rxf3 Qxd4 22. exd4 exf3 23. Bxe8 Rxe8 24. Bf4 ({
An alternative considered by Kasaprov was} 24. f6 gxf6 25. gxf6 Re1+ 26. Kf2
Rh1 27. Kxf3 Rf1+ 28. Kg3 Rxf6 29. Bf4 $18) 24... Bxf5 25. Kf2 b5 26. Be5 $2 {
A self-critical Kasparov gave this move a question mark.} (26. b4 {"Cutting
off the knight!" (Kasparov)}) (26. Nxb5 Re2+ 27. Kxf3 Bg4+ 28. Kg3 Rxb2 29.
Nxa7 Rb3+ 30. Kg2 Bf3+ 31. Kg1 Bxd5 32. Nc8 {In this variation Black would
still have some play.}) 26... b4 (26... Bg4 27. Kg3 f6 28. gxf6 gxf6 29. Bxf6
Rf8 30. Be7 Rf7 31. Bc5 $18) 27. Nb5 $6 {Not the best continuation.} ({What is
wrong about simply taking the pawn on b4?} 27. axb4 Nxb4 28. Kxf3 a6 29. Ra4
Nd3 30. Rxa6 Nxb2 31. Ne4 Bg6 32. d6) 27... Rc8 $6 (27... Bg4 $1 28. Nd6 Rb8
29. axb4 Rxb4 30. Ra2 (30. Rxa6 $2 Rxb2+ 31. Kg3 Rg2+ 32. Kf4 f2 $19) 30... Nb8
31. h3 Bxh3 32. Rxa7 Rxb2+ 33. Kxf3 Bg2+ 34. Ke3 Bxd5 35. g6 Rb3+ 36. Kd2 fxg6
37. Rxg7+ Kf8 $11) 28. Kxf3 Rc2 29. Bd6 Rxb2 30. axb4 Nxb4 31. Bxb4 Rxb4 32.
Nd6 Bg4+ 33. Ke4 Rb2 34. Rxa7 Re2+ 35. Kd3 Rxh2 36. g6 $3 {Very elegant and
study-like! For a game in a simultaneous exhibition this is quite sensational 
(Deutschmann). It is interesting to see how long the best chess engines in the
world take to find this line.} fxg6 37. Ra8+ Kh7 38. Nf7 g5 39. Rh8+ Kg6 40.
Ne5+ Kf5 (40... Kf6 41. Nxg4+ $18) 41. Rf8# 1-0

