Author: Cliff Sears
Date: 07:03:54 11/20/04
Go up one level in this thread
On November 20, 2004 at 03:32:58, Daniel Jackson wrote: >On November 19, 2004 at 22:07:28, Cliff Sears wrote: > >>[d] r1b2r1k/ppp1q1pp/2n1pb2/2P5/2BPpp2/P3PPB1/1PQ3PP/2KR2NR w - - 0 14 >>wKc1,Qc2,Ng1,Bc4,g3,Rd1,h1,Pa3,b2,c5,d4,e3,f3,g2,h2/bKh8,Qe7,Nc6,Bc8,f6,Ra8,f8,Pa7,b7,c7,e4,e6,f4,g7,h7 >> >>From the book "The World's Greates Chess Games" by Burgess, Nunn, and Emms, the >>commentary is as follows: >> >>14 Qxe4!! >> >>"This brilliant piece sacrifice kills Black's attempt at snatching the >>initiative. Lasker was once more hoping that White would grab the offered pawn. >>After 14 Bxf4 e5 15 dxe5 Nxe5 both 16 Bxe5 Bxe5 17 f4 Bf6 18 Bd5 Bf5 19 Bxb7 >>Rab8 and 16 Qxe4 Bf5 17 Qxf5 Nxc4 leave Black firmly on the offensive. After 14 >>Qxe4 White gains only two pawns for the piece. On the other hand, Black is >>reduced to a grom defensivve job, which would not suited Lasker at all." >> >>After a short time the programs I am testing have not decided it is the best >>move. The results so far I have are: >> >> >>Analysis by Anaconda 1.6.2: >> >>1. +- (1.49): 14.Bg3xf4 >>2. ² (0.56): 14.Bg3-f2 >>3. ³ (-0.28): 14.Bg3-e1 >>4. µ (-0.94): 14.Qc2xe4 *** >> >>Analysis by Hiarcs 8: >> >>1. ² (0.69): 14.Bg3xf4 e6-e5 15.d4xe5 Bf6xe5 16.Bf4xe5 Nc6xe5 17.Bc4-d5 e4xf3 >>18.g2xf3 Ne5-d7 19.Bd5-e4 Nd7xc5 20.Be4xh7 Qe7xe3+ 21.Kc1-b1 >>2. = (-0.02): 14.Qc2xe4 f4xg3 *** >> >>Steinitz,W - Lasker,E >>r1b2r1k/ppp1q1pp/2n1pb2/2P5/2BPpp2/P3PPB1/1PQ3PP/2KR2NR w - - 0 1 >> >>Analysis by Crafty 19.17: >> >>1. = (0.09): 14.Bg3xf4 e6-e5 15.d4xe5 Bf6xe5 16.f3xe4 Be5xf4 17.e3xf4 Rf8xf4 >>18.Kc1-b1 Rf4xe4 19.Ng1-f3 Bc8-f5 20.Rd1-d5 >>2. µ (-0.75): 14.Bg3-f2 Bf6-g5 15.Kc1-b1 f4xe3 16.Bf2-g3 e6-e5 17.d4xe5 Nc6xe5 >>18.Bg3xe5 Qe7xe5 19.Rd1-d5 e3-e2 20.Ng1xe2 >>3. -+ (-1.53): 14.Bg3-e1 f4xe3 15.Qc2xe4 e6-e5 16.Bc4-d3 g7-g6 17.d4-d5 Qe7xc5+ >>18.Qe4-c4 Qc5xc4+ 19.Bd3xc4 Nc6-d4 20.Ng1-e2 Bc8-f5 >>4. -+ (-2.03): 14.e3xf4 Nc6xd4 15.Qc2-a4 Qe7xc5 16.Qa4-b4 Qc5xb4 17.a3xb4 Nd4-f5 >>18.Rd1-e1 Nf5-d6 19.Bc4-b3 >>5. -+ (-2.43): 14.Ng1-e2 f4xg3 15.h2xg3 Bf6-g5 16.Qc2xe4 h7-h6 17.Kc1-b1 Nc6-a5 >>18.f3-f4 Bg5xf4 19.Ne2xf4 Na5xc4 >>***6. -+ (-2.44): 14.Qc2xe4 f4xg3 15.h2xg3 g7-g5 16.Ng1-e2 Nc6-a5 17.Bc4-d3 >>Rf8-f7 18.Kc1-b1 Na5-b3 >> >>Steinitz,W (2590) - Lasker,Em [D35] >>GCG_008 St. Petersburg, 1895 >> >>1.d2-d4 d7-d5 2.c2-c4 e7-e6 3.Nb1-c3 Ng8-f6 4.Bc1-f4 Bf8-e7 5.e2-e3 0-0 6.c4-c5 >>Nf6-e4 7.Nc3xe4 d5xe4 8.Qd1-c2 f7-f5 9.Bf1-c4 Nb8-c6 10.a2-a3 Be7-f6 11.0-0-0 >>Kg8-h8 12.f2-f3 Qd8-e7 13.Bf4-g3 f5-f4 14.Qc2xe4 f4xg3 15.h2xg3 g7-g6 16.Qe4xg6 >>Bc8-d7 17.f3-f4 Rf8-f7 18.g3-g4 Rf7-g7 19.Qg6-h6 Rg7xg4 20.Bc4-d3 Rg4-g7 >>21.Ng1-f3 Qe7-f7 22.g2-g4 Ra8-g8 23.g4-g5 Bf6-d8 24.Rh1-h2 Rg7-g6 25.Qh6-h5 >>Rg6-g7 26.Rd1-h1 Qf7xh5 27.Rh2xh5 Rg8-f8 28.Rh5xh7+ Rg7xh7 29.Rh1xh7+ Kh8-g8 >>30.Rh7xd7 Rf8-f7 31.Bd3-c4 1-0 > >I'd play Qxe4 in a heartbeat! Forget what what lame chess software evaluates >this position. Good software should see this quickly, if not then the >programmers need to do more work! Hmmm.. after letting the above programs sit overnight they did not come up with that move. It appears some other top programs did though!
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