Author: blass uri
Date: 21:12:19 12/13/98
Go up one level in this thread
On December 13, 1998 at 23:50:48, Laurence Chen wrote: >I am getting tired of hearing people making statements that their chess engine >is the most dynamic and it plays sacrifices for the initiative. Really?! I say >that is not always true, I believe that most of the sac which the chess engine >performs are pseudo sacrifices and very very very few indeed are true or real >sacrifices. I would suspect that Chess System Tal would be an exception because >I've seen games which CST makes lots of sacrifices,it knows no fear. I have the >following position for all of you CM 6000 supporters which claim that CM always >create winning situations and is always ready to perform a sacrifice for the >initiative. I've seen the type of sacrifices which CM performs, most of them are >pseudo-sacrifices, I've yet to see one which is a true sacrifice. So here's my >challenge to all of you CM supporters which claim that CM always make sacrifices >for the initiative, I would like you to get a copy of the book, Modern Chess >Sacrifice, by Leonid Shamkovich, and test all the positions in the book and tell >me how many true sacrifices CM finds. Seriously, before you make any claim make >sure you got some proof to back up your statement. I give the following >position: r1bq1rk1/pp2nppp/4p3/2n5/8/2NBPN2/PP3PPP/R2Q1RK1 w - - 1 0. It is from >the book mentioned above, the game between Capablanca and Molina, Buenos Aires, >1911. Capablanca anotates this game in his book, My Chess Career. >My chess engines, Fritz 5.16, Junior 5, and CM 6000 failed to find the best move >which Capablanca played. You guessed right, it is a sacrifice, and the chess >engines I used failed to find the best move 12. Bxh7+! >The game continued with the following moves, 12. ... Kxh7 13. Ng5+ Kg6 14. Qg4 >f5 15. Qg3 Kh6 16. Qh3+ Kg6 17. Qh7+ Kf6. Quoting the book anotations to this >position, "White's operation has finally lost all the clarity and unambiguity of >a combination. Black has repulsed the first onslaught, is a piece up, and even >threatens to win White's Queen with 18. ... Rh8. White has several tempting >options of attack: 18. Rad1, 18. Qh4, and others. But which one should he >choose?" And once again in this position CM 6000 fails to find the best move 18. >e4!. I probably will get a lot of yeah but, surely there are positions which CM >will find sacs, my question is it a true sacrifice or a pseudo one? I do not know if it is a good sacrifice. I suggest a simple test for it. can you beat chessmaster,fritz5,Junior5 with the sacrifice(You have the right to take back moves)? If you cannot then I suspect that it is a wrong sacrifice. Uri
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