Author: Jeremiah Penery
Date: 12:37:30 02/18/01
Go up one level in this thread
On February 18, 2001 at 03:40:35, Tanya Deborah wrote:
>On February 18, 2001 at 03:03:43, Jeremiah Penery wrote:
>
>>On February 18, 2001 at 01:22:38, Tanya Deborah wrote:
>>>
>>>Hi to all,
>>>
>>>This is a beautiful game by the Great Master Leonid Stein.
>>>I am interested to know, How many programs can avoid the fatal mistake 21.Qxh1?
>>>
>>>Deep Fritz can avoid that!!!, Deep Fritz can see that Qxb3 is better than Qxh1.
>>> Junior6 and Hiarcs7.32 and Fritz6 can´t avoid that...
>>>
>>>The position is very interesting, in this kind of position you can see some
>>>computer weak points, (the machines sometimes have so much appetite, and can´t
>>>see the great atack by White after move 21.
>>>
>>>Another question? Which program can find 12.Qb3! ???? (with a winning endgame)
>>>- because after change Queens, White is much better. I think there are no
>>>program that can find this move.
>>>[Event "Moscu, 1966 -Spartakiada"]
>>>[Date "1966.02.17"]
>>>[Round "?"]
>>>[White "Stein, Leonid"]
>>>[Black "Birbrager Isaak"]
>>>[Result "1-0"]
>>>[ECO "B10"]
>>>[PlyCount "43"]
>>>[EventDate "2001.02.17"]
>>>
>>>1. e4 c6 2. d3 d5 3. Nd2 dxe4 4. dxe4 Nf6 5. Ngf3 Bg4 6. h3 Bh5 7. e5 Nd5 8. e6
>>>f6 9. g4 Bg6 10. Nd4 Nc7 11. c3 Qd5 12. Qb3 12... Qxh1 $4 {A big mistake!,
>>>Black should have change Queens. (Dxb3). Now with this Rook sacrifice, White
>>>is winning! -(Stein.)}
>>> 13. Qxb7 13... Kd8 {
>>>A very dramatic and obligatory King move! - Black position is hopeless!} 14.
>>>N2f3 Bd3 15. Bf4 $1 {A very fine move!} 15... Qxf1+ 16. Kd2 Qxf2+ 17. Kxd3 {
>>>Black is lost
>>
>>The line of Crafty agreed with the analysis until here. I think white can only
>>get a draw after Nba6 instead of Nxe6 in this position.
>>[D]rn1k1b1r/pQn1p1pp/2p1Pp2/8/3N1BP1/2PK1N1P/PP3q2/R7 b - -
>>What is the relevant line after 17. ...Nba6 for White to win?
>
>After Nba6 DEEP FRITZ see that White can win easy with :
>
>18. Bxc7+ Nxc7 19. Rd1 c5 20. Nb5 Nxe6 21. Qxa8+ Kd7 22. Kc4+ Nd4 23. Nbxd4 cxd4
>24. Nxd4 e5 25. Qxc6+ Ke7 26. Qe6+ Kd8 27. Nc6+ Kc7 28. Rd7+ Kb6 29. Nd4+ Ad6
>30. Qxd6 Ka5 31. Rxa7 MATE!! (DEEP FRITZ)
Crafty did fail-low on Nba6 shortly after I posted the message - I just didn't
let it search long enough before I posted. However, I didn't let it search long
enough to resolve the fail-low, so I don't know what line it found. Thanks for
the analysis. :)
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