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Subject: Re: Rebel - IsiChess: Some notes

Author: Dann Corbit

Date: 19:42:34 10/20/03

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On October 20, 2003 at 04:32:09, Jeroen Noomen wrote:

>[Event "23rd DOCC"]
>[Site "Leiden NED"]
>[Date "2003.10.19"]
>[Round "5"]
>[White "Rebel"]
>[Black "IsiChess MMX"]
>[Result "1-0"]
>[PlyCount "69"]
>[EventDate "2003.??.??"]
>
>1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7
>
>Woops, is IsiChess going to repeat the Tiger-Fritz game from the Leiden
>tournament in May 2003!?
>
>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 b4?
>
>No, it isn't! But the textmove is already a clear loser.
>
>17. Nd5 exd5 18. exd5 Bd7

Instead of Bd7, what about Nd7 here?  All the chess programs prefer that move
for black, as far as I have seen so far.  Also, they give black a sizeable
advantage.

[D]r1b1kb1r/2q2p1p/p2p1P2/2nP4/1p1N4/5Q2/PPP4P/2KR1BR1 b kq - ce 158; acd 14;
acs 600; pv Nd7 Qh5 Qc5 Rg7 Ne5 Re1 Bxg7 fxg7 Rg8 Qxh7 Rxg7 Qxg7 Qxd4 Qg8+
Ke7;|Nc5d7

> 19. Rg7 Qa5 20. Qe3+ Kd8 21. Rxf7 Qxa2 22. Ne6+!
>
>Blow by blow, but it's still in Rebel's book.
>
>22... Nxe6 23. dxe6 Qxe6 24. Qb6+ Ke8 25. Rxd7!
>
>Another brilliant sac. Alas, Rebel still played without thinking!
>
>25... Qxd7 26. Bg2!!
>
>The last bookmove (phew!) and the winning move. Being a full rook down, white
>has too many threats.
>
>26... Qa7 27. Qc6+ Kd8 28. Re1!
>
>That clinches it. Black is lost!
>
>28... Bh6+ 29. Kb1 b3
>
>A nice line is 29... Rc8 30 Qxd6+ Qd7 31 Qb6+ Qc7 (or Rc7 32 Te7 winning) 32
>Rd1+ Ke8 32 f7+! and white wins.
>
>30. Qxd6+ Qd7 31. Qb6+ Kc8 32. Qxb3
>
>Rebel simply picks up another pawn, threatening Bh3.
>
>Rb8 33. Qc3+ Qc7 34. Bh3+ Kb7 35. Re7
>
>1-0



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