Author: Enrique Irazoqui
Date: 14:46:55 01/04/01
Go up one level in this thread
On January 04, 2001 at 16:10:23, José Antônio Fabiano Mendes wrote: > M.Tal - J.Bolbochan,Havana 1966 > [D]r3r1k1/1p2bp1p/p1bpp1p1/q1n3P1/3BP2P/1BNR4/PPP1QP2/1K4R1 w > And here Tal played 18.h5 [Bolbochan replied 18...Nxb3] > Tal won in 34 moves [the complete score can be found at www.chesslab.com] > Can the chess programs find these two moves?[18...Nxd3 loses quickly] JAFM On a P750 with 184MB hash, Deep Fritz doesn't play h5 in less than 5 minutes. Once white plays h5, it discards Nxd3 in favor of Nxb3 after 75 seconds. Enrique New position r3r1k1/1p2bp1p/p1bpp1p1/q1n3PP/3BP3/1BNR4/PPP1QP2/1K4R1 b - - 0 1 Analysis by DEEP FRITZ : 1...Nxd3! = (-0.25) Depth: 1/3 00:00:00 1...Nxd3! 2.Qxd3 µ (-1.28) Depth: 1/6 00:00:00 1...Nxd3 2.Qxd3 Bxg5 µ (-1.28) Depth: 2/6 00:00:00 1...Nxd3 2.Qxd3 Bxg5 3.hxg6 µ (-1.28) Depth: 3/10 00:00:00 1kN 1...Nxd3 2.Qxd3 Bxg5 3.hxg6 fxg6 µ (-1.28) Depth: 4/16 00:00:00 2kN 1...Nxd3 2.Qxd3 Bxg5 3.hxg6 fxg6 4.Rh1 µ (-1.22) Depth: 5/19 00:00:00 13kN 1...Nxd3 2.Qxd3 Bxg5 3.hxg6 fxg6 4.Qh3 Bd7 µ (-1.25) Depth: 6/22 00:00:00 31kN 1...Nxd3 2.Qxd3 Bxg5 3.hxg6 fxg6 4.Qh3 Bd7 5.Rh1 µ (-1.22) Depth: 7/24 00:00:00 88kN 1...Nxd3 2.hxg6 Nf4 3.gxh7+ Kxh7 4.Qg4 Bxg5 5.Qxg5 Qxg5 6.Rxg5 µ (-1.06) Depth: 8/27 00:00:00 264kN 1...Nxd3 2.Qxd3 Bxg5 3.hxg6 hxg6 4.Rh1 e5 5.Qh3 Bh6 6.Qxh6 exd4 µ (-0.84) Depth: 9/27 00:00:01 893kN 1...Nxd3-- ³ (-0.53) Depth: 10/27 00:00:03 1949kN 1...Nxd3-- ³ (-0.53) Depth: 10/32 00:00:04 2787kN 1...Nxd3 2.Qxd3 gxh5 3.f4 Rac8 4.Qh3 Qb4 5.Rd1 e5 6.a3 Qa5 ³ (-0.38) Depth: 11/32 00:00:13 8191kN 1...Nxd3-- = (-0.06) Depth: 12/32 00:00:37 22319kN 1...Nxd3-- = (-0.06) Depth: 12/35 00:00:54 32977kN 1...Nxb3! = (-0.09) Depth: 12/36 00:01:15 45732kN 1...Nxb3! 2.cxb3 Bb5 3.Nxb5 axb5 4.a3 b4 5.hxg6 fxg6 6.Qd2 d5 7.Rg4 ³ (-0.56) Depth: 12/38 00:01:41 61544kN (Irazoqui, Cadaqués 04.01.2001)
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