Author: B. Clark
Date: 14:18:38 02/17/03
Go up one level in this thread
On February 17, 2003 at 12:07:19, Jorge Pichard wrote: >Alekhine was known for never falling into a trap of less than 10 moves, but for >this example where he played against Niemzovitch with the black pieces ( game >#13 of his famous book "My best games of Chess 1908-1937") he wrote down after >white 15 Castles QR ! >Black discovers in time the adversary's subtle plan If 15...PXP; 16.PXP,KtxP >17.RXKt,QxR; 18.QXP ch, Kt-Q2; 19.Q-B6 ch!!, PxQ; 20.B-R6 Mate, but how many of >today's top proggram can find the correct move 15...B-Q3 which eliminates all >danger? > >[D]2kr1b1r/1p4p1/1qn1pn2/pBpp3p/P2P1B1P/2N1P3/1PP1QP2/2KR3R b - - New position 2kr1b1r/1p4p1/1qn1pn2/pBpp3p/P2P1B1P/2N1P3/1PP1QP2/2KR3R b - - 0 1 Fritz 6 on a P4 1.7 GHz likes Bd6 after 3 seconds. Analysis by Fritz 6: 1...Qxb5 +- (2.44) Depth: 1/3 00:00:00 1...Qxb5 2.Nxb5 +- (6.19) Depth: 1/5 00:00:00 1...Nxd4 +- (5.09) Depth: 1/5 00:00:00 1...Nxd4 2.exd4 cxd4 +- (2.00) Depth: 1/5 00:00:00 1...cxd4 +- (1.78) Depth: 1/5 00:00:00 1...cxd4 = (-0.25) Depth: 1/5 00:00:00 1...cxd4 2.Bxc6 dxc3 ³ (-0.50) Depth: 2/12 00:00:00 1...cxd4 2.Bxc6 dxc3 ³ (-0.50) Depth: 3/14 00:00:00 1kN 1...cxd4 2.exd4 Nxd4 3.Qe5 Nxb5 4.Nxb5 Bc5 5.Qb8+ Kd7 ³ (-0.69) Depth: 4/17 00:00:00 3kN 1...cxd4 2.exd4 Nxd4 3.Qe5 Nxb5 4.Nxb5 Bc5 5.Qb8+ Kd7 ³ (-0.69) Depth: 5/19 00:00:00 15kN 1...cxd4-- ³ (-0.38) Depth: 6/23 00:00:00 30kN 1...cxd4 2.exd4 Re8 3.Rhg1 Bb4 4.Rxg7 Nxd4 ² (0.59) Depth: 6/23 00:00:00 81kN 1...Bd6! ² (0.56) Depth: 6/25 00:00:00 94kN 1...Bd6 2.dxc5 Qxc5 3.Bxd6 Rxd6 4.Rhg1 Rg8 5.Rg6 ² (0.34) Depth: 6/25 00:00:00 124kN 1...Bd6 2.Bxc6 bxc6 3.Bxd6 Rxd6 4.Rhg1 Rg8 5.Rg6 Kd8 ² (0.53) Depth: 7/28 00:00:00 279kN 1...Be7 ² (0.50) Depth: 7/28 00:00:00 489kN 1...Be7 2.Bxc6 Qxc6 3.Nb5 Qa6 4.Rhg1 Ne4 5.f3 ² (0.41) Depth: 7/28 00:00:01 544kN 1...Be7 2.Rhg1 Ne8 3.Bxc6 Qxc6 4.Nb5 Qb6 5.dxc5 Bxc5 6.Nd4 ² (0.47) Depth: 8/33 00:00:01 1081kN 1...Ne7 ² (0.44) Depth: 8/33 00:00:02 1499kN 1...Ne7 2.dxc5 Qxc5 3.Bg5 Nc6 4.Rhg1 Be7 5.f4 ² (0.41) Depth: 8/33 00:00:02 1614kN 1...Ne7 2.dxc5 Qxc5 3.Bg5 Nc6 4.Rhg1 Be7 5.Kb1 Rhf8 6.f4 ² (0.50) Depth: 9/29 00:00:03 2306kN 1...Bd6 ² (0.47) Depth: 9/31 00:00:03 2884kN 1...Bd6 2.Bxc6 bxc6 3.Bxd6 Rxd6 4.Rhg1 Rd7 5.dxc5 Qxc5 6.f4 ² (0.37) Depth: 9/31 00:00:04 3252kN 1...Bd6 2.Bxc6 bxc6 3.Be5 Rhf8 4.Bxf6 Rxf6 5.Qxh5 cxd4 6.Rxd4 ² (0.41) Depth: 10/31 00:00:05 4897kN 1...Bd6 2.Bxc6 bxc6 3.Be5 Bxe5 4.dxe5 Ng4 5.f4 Rd7 6.Rhg1 ² (0.34) Depth: 11/34 00:00:12 11313kN 1...Bd6 2.dxc5 Qxc5 3.Rhg1 Rhg8 4.Bxc6 bxc6 5.Bxd6 Rxd6 6.f4 ² (0.37) Depth: 12/36 00:00:33 31437kN 1...Bd6 2.dxc5 Qxc5 3.Rhg1 Ng4 4.Bg5 Rd7 5.f3 Nge5 6.Bf4 ² (0.31) Depth: 13/38 00:01:33 90189kN 1...Bd6 2.dxc5 Bxc5 3.Rhg1 Ng4 4.Kb1 Rhf8 5.Rxg4 hxg4 6.Qxg4 ² (0.34) Depth: 14/42 00:04:29 250212kN (Clark, Las Vegas 17.02.2003)
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