Author: John Merlino
Date: 12:18:57 08/08/03
Go up one level in this thread
On August 08, 2003 at 14:37:25, Dana Turnmire wrote: >The following position is from Karpov - Yusupov 1988. This is what FM Graham >Burgess says about what he considers the brilliant move 16 d5!! > >"This pawn sacrifice both gives the white knight an ideal post in the centre and >opens several lines for the other white pieces." > >Phoenix Genius finds the pawn sacrifice in 1'29" with a plus score of 1.03 while >Chessmaster default and SKR can't even find it after 5 minutes. > >[D] 4r2r/pp1nkp1p/2p1b1p1/5q2/2BP4/4QN2/PP3PPP/4RK1R w - - 0 1 For clarification purposes, a 5-minute search with CM9000 (default) on a P3-733 gives Ng5, with a score of 0.78 for White. Note that CM wants to play Ng5 and THEN the pawn sacrifice: Time Depth Score Positions Moves 0:00 1/3 1.33 3223 1.Ng5 Kd8 2.Nxe6+ fxe6 3.Bxe6 0:00 1/4 1.33 6205 1.Ng5 Kd8 2.Nxe6+ fxe6 3.Bxe6 0:00 1/5 1.29 30169 1.Ng5 Nf8 2.Kg1 h6 3.Qa3+ c5 4.Nxe6 Nxe6 5.dxc5 0:01 1/6 1.16 132133 1.Ng5 Nf8 2.h4 h6 3.Bd3 Qf6 0:04 1/7 1.21 342523 1.Ng5 Nb6 2.Bxe6 fxe6 3.Qxe6+ Qxe6 4.Nxe6 Kd6 0:08 1/8 1.19 788825 1.Ng5 Nb6 2.Bxe6 fxe6 3.Qxe6+ Qxe6 4.Rxe6+ Kd8 5.Re2 Kd7 6.Ne4 0:28 1/9 0.98 2694152 1.Ng5 Nf8 2.Kg1 Kd8 3.Qg3 Kd7 4.Bd3 Qa5 5.Nf3 Qxa2 1:19 1/10 0.91 7615351 1.Ng5 Kd8 2.Nxe6+ fxe6 3.Qb3 Rhf8 4.f3 Qg4 5.Qxb7 Rxf3+ 6.gxf3 Qxf3+ 7.Kg1 Qg4+ 8.Kf2 Qxd4+ 9.Kg3 Qxc4 10.Qxa7 3:41 2/11 0.78 21730648 1.Ng5 Nf8 2.d5 cxd5 3.Bd3 Qf6 4.Nxe6 fxe6 5.Qxa7 Qxb2 6.Rb1 Qd2 7.Rxb7+ Kf6 jm
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