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Up Topic Rybka Support & Discussion / Rybka Discussion / What would you play here?
- - By Legendary (***) Date 2007-04-18 17:25 Edited 2007-04-18 17:34
3qr1k1/p1r2ppp/1p2pb2/nP2N3/2bP4/P1N3R1/2B2PPP/R2Q2K1 w - - 0 21


Gregory Kaidanov vs Viswanathan Anand 1987
Parent - - By theoak (**) [us] Date 2007-04-18 21:01
Another chapter in the book of sacrifices that simply lose in a position that is equal!
Let's see!
21. Bh7 +(?) (by me) Kh7
22. Qh5+  Kg8
23. Ne4 (the best) Bd5 ? (much better is 23. ... Kf8 24. Rh3 g6 25. Ng6 fg6 26. Qg6 -+ e.t.c the attack of white evaporates !)
24. Rh3  Kf8 ??  with mate in three
after 24 ... g6  25. Ng6  fg6  26. Qg6+ Bg7  =
Parent - - By Vasik Rajlich (Silver) [hu] Date 2007-04-19 11:31
Just at a quick glance, I wouldn't spend more than a few seconds on 21. Bxh7+.

Vas
Parent - - By Alkelele (***) Date 2007-04-19 16:35
I would play 21.Bxh7+ Kxh7 22.Qh5+ Kg8 23.Qxf7+, and then when black replies Rxf7, I would go "DOH!!!!!!" and remind myself why chess is not for humans ;-)
Parent - By -valdimor- (**) [be] Date 2007-04-19 18:38
i would play Qd1 to g4
Parent - - By Felix Kling (Gold) [de] Date 2007-04-19 18:39
I would play 21.Qh5 and after 21...g6 I would sacrifice my knight and bishop and then I would realise that the rook on the 7th rank is still there :)
Parent - By billyraybar (***) [us] Date 2007-04-19 20:44
My brain would explode before I made a decision.
Parent - - By Kalusi [at] Date 2007-04-20 09:40
Yes, it is Bxh7, with the idea 21......Kxf7 22. Qh5 Kg8 23. Ne4 Bd5 24. Rh3 Kf8 25. Qxf7 Rxf7 26. Ng6+

but:  23. ... Bd5 is a bad move, better is Kf8 and I do not see enough compensation for the piece.
Parent - By Gaмßito (****) [cr] Date 2007-04-22 15:55
Hi,

Acccording to Deep Fritz 10, Rybka 2.3 and Shredder 10.1, it is not good to take on h7. But many other programs do not like Bxh7.

Of course, Kf8 is a very strong defense move. Much better than 23. Bd5. White attack dissapears.

Regards,
Gambitto.
Up Topic Rybka Support & Discussion / Rybka Discussion / What would you play here?

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