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Subject: Chess Tiger - Nullmover: Some notes

Author: Jeroen Noomen

Date: 13:26:43 10/25/03


[Event "Dutch Open"]
[Site "Leiden"]
[Date "2003.10.25"]
[Round "9"]
[White "Chess Tiger"]
[Black "Nullmover"]
[Result "1-0"]
[PlyCount "103"]
[EventDate "2003.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3
Qc7 9. O-O-O Nbd7 10. g4 b5 11. Bxf6 Nxf6 12. g5 Nd7 13. f5 Nc5 14. f6 gxf6 15.
gxf6 Bf8 16. Rg1 Rb8

Aha, Michel Langeveld (author of Nullmover) wants to try this deviation from 16
... b4 as played by IsiChess against Rebel.

17. Qh5 b4 18. Nd5!

Of course, always the move in this position.

18... exd5 19. exd5 Nd7 20. Kb1!

Excellent and completely finishing off this line. Most programs like ideas with
Nc6, but then Black could sac an exchange and things are not so clear.

20... Ne5 21. Ne6!

Completely paralising black, the knight is huge on e6.

21... Qb6 22. Bh3 h6

It doesn't matter much what Black tries here.

23. Rg3! Bb7 24. Nxf8!

Looks strange, but Tiger already sees it is going to win a rook. The score
jumped to +3,8.

24... Rxf8 25. Qxh6 a5 26. Rdg1 Nd7 27. Re1+ Ne5 28. Rg5!

With the idea of Rh5 and Qxf8+. Tiger finishes the game off quite elegantly.

28... Bxd5 29. Rh5! Rg8 30. Qg7!

This is it, the remainder of the game requires no comment.

30... Kd8 31. Qxg8+ Kc7 32. Qg3 Re8 33. Rd1 Qc6 34. Rg5 Bf3 35. Re1 Be4 36. Rc1
a4 37. Qe3 b3 38. Qa7+ Qb7 39. Qxb7+ Kxb7 40. Bg2 Bxg2 41. Rxg2 bxc2+ 42. Rgxc2
Re6 43. Rf1 Nd7 44. h4 Nxf6 45. Rc4 a3 46. Rf3 d5 47. Rb3+ Rb6 48. Rf4 Rxb3 49.
axb3 a2+ 50. Kxa2 Nh5 51. Rxf7+ Kc6 52. Rf5 1-0


I believe 20 Kb1! kills this line completely, but I am sure some persons (who do
not know this line, but always tend to disagree :-)) will try to come up with a
defence.


Jeroen



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