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Subject: Re: Do you have pos. of truly unexpected sac. which is sound? Does it exist?

Author: K. Burcham

Date: 12:06:52 10/31/02

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On October 31, 2002 at 12:11:50, stuart taylor wrote:

>What I'm really interested in is REAL genius. When I was younger, sacrifices
>which are quite normal for me to imagine now, were then quite unbelievable.
>  But now, whenever I think something might be really great, a computer normally
>shows it not too be sound. In fact, I haven't seen anything truly extraordinary
>and unexpected for a long time. Perhaps I'm already familiar with all the
>warning signs that one encounters in practical games, so things are not so
>unbelievable-for me.
>  Didn't Tal have some things which no one else would have imagined? were they
>sound?
> But I mean REALLY unexpected!
>S.Taylor


Depends on your meaning.
This knight sacrifice should win for black.
11...Nxf2
This move is in the Tiger ct.tbk book. Of course tiger would never play into
this position. There are several moves in this line Tiger will not play.

Set this position up and see how long it takes your program to play this move.
If your program wont play this move, then take the f2 pawn and see how long it
takes your programs score to show white is down with the knight sacrifice.


 [D] r2q1rk1/ppp1b1pp/2n5/3p1p2/3Pn1b1/2PB4/PPQN1PPP/RNB1R1K1 b - - 0 1

[White "Kugayevsky"]
[Black "Kmielevsky"]
[Result "0-1"]
[ECO "C42"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4
d5 6. Bd3 Be7 7. O-O Nc6 8. Re1 Bg4 9. c3
f5 10. Qc2 O-O 11. Nfd2 Nxf2 12. Rxe7 Bd1  0-1





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