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Subject: Re: Pillsbury vs Lasker Anaylsis Fruit 2.2.1

Author: Terry McCracken

Date: 12:58:15 10/30/05

Go up one level in this thread


On October 30, 2005 at 11:08:39, George Tsavdaris wrote:

>On October 30, 2005 at 09:38:59, Kurt Utzinger wrote:
>
>>On October 30, 2005 at 09:29:58, John Jack wrote:
>>
>>>Fruit 2.2.1 fails two find Rxc3
>>>1: Pillsbury - Lasker, St Petersburg 1895
>>>[D]2r2rk1/pp3pp1/4bb1p/q2p1P1Q/3P4/2N5/PP4PP/1K1R1B1R b - - 0 1
>>>
>>>Analysis by Fruit 2.2.1:
>>>
>>>17...Bd7 18.Qf3 Ba4 19.Rd3 Rc4 20.Be2 Bxd4 21.f6 Bxc3 22.Rxc3 Rxc3 23.Qxc3 Qxc3
>>>24.bxc3 Re8 25.Bf3 Re5 26.fxg7 Kxg7 27.Kb2 Bd7
>>>  ยต  (-1.08)   Depth: 16/47   00:02:25  80069k
>>>
>>>John E Jack
>>
>>      Hi John
>>      Is it not wrong to blame Fruit 2.2.1 for its
>>      proposal 17...Bd7. As far as I know, Lasker's
>>      nice rook sacrifice 17...Rxc3 is not sufficient
>>      to win the game provided White finds the best
>>      defense. For this reason I firmly believe that
>>      Fruit's 17...Bd7 is fine here and most probably
>>      the best winning try.
>
>The best defense is interesting!
>After 17...Rxc3?! 18.fxe6 Ra3 then 19.bxa3 is the only good defense but this is
>easy.
>Then after 19...Qb6+ white should avoid 20.Kc2? that is losing by force......
>And play 20.Bb5! that saves the game. This is a good/hard testposition for
>computers as it isn't easy to see.......
>
>After 20.Kc2? we have the forced moves for white: 20...Rc8+ 21.Kd2 Qxd4+ 22.Ke1
>Qe3+ 23.Be2 Bc3+ 24.Kf1 fxe6 25.Qg4 (25.Bf3 Rf8 -+) Rf8+ 26.Bf3 Ba5! 27.Qg3
>(27.Rb1 e5! -+) Bb6 28.whatever e5! -+
>
>-+ means an endgame with a Queen against 2 Rooks ans 1-2 Pawns more. Not very
>easy after all but advantage for sure........
>
>So white to play and avoid Kc2? and play Bb5!
>[D]5rk1/pp3pp1/1q2Pb1p/3p3Q/3P4/P7/P5PP/1K1R1B1R w - - 0 20

http://www.chessbase.com/newsdetail.asp?newsid=1549



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