Author: Uri Blass
Date: 02:33:04 01/24/04
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On January 24, 2004 at 05:02:37, Evgeny Shu wrote: >I posted this position not so long ago and it seems Deep Fritz 8 can't avoid >draw and plays Qxb2? wich leads to draw after Qxb2 Rb1 Qa2 Ra1 Qc4 Ng3 Qxc3 Bd2 >Qb2 Rb1 Qa2 Ra1 1/2-1/2 ; >Why is that ? > >[D] r1b2rk1/pp1nbppp/1qn1p3/2ppP3/P2P1P2/2P1BN2/1P2N1PP/R2QKB1R b KQ - 0 10 probably because Fritz is not a good enough. My stupid movei can avoid Qxb2 in a slow hardware(P850) faster than Fritz8(I do not have deep fritz8) and I did not implement the botvinik extension that should help(because of repeated threats against the same piece(the queen)). New game r1b2rk1/pp1nbppp/1qn1p3/2ppP3/P2P1P2/2P1BN2/1P2N1PP/R2QKB1R b KQ - 0 1 Analysis by Fritz 8: 1...Qxb2 2.Rb1 µ (-0.88) Depth: 7/27 00:00:00 121kN 1...Qxb2 2.Rb1 Qa2 3.Ra1 Qc4 4.a5 Qb5 5.dxc5 Nxc5 6.Ned4 µ (-0.88) Depth: 8/23 00:00:00 206kN 1...Qxb2 2.Rb1 Qa2 3.Ra1 Qc4 4.Qd2 Qb3 5.dxc5 Nxc5 6.Nfd4 Nxd4 7.Nxd4 µ (-0.91) Depth: 9/28 00:00:02 891kN 1...Qxb2 2.Rb1 Qa2 3.Ra1 Qc4 4.Qd2 Qb3 5.dxc5 Nxc5 6.Nfd4 Nxd4 µ (-0.91) Depth: 10/35 00:00:13 4867kN 1...Qxb2 2.Rb1 Qa2 3.Ra1 Qc4 4.Qd2 Qb3 5.Nc1 Qb6 6.Bd3 cxd4 7.Nxd4 Nc5 µ (-0.78) Depth: 11/33 00:00:17 6444kN 1...Qxb2 2.Rb1 Qa2 3.Ra1 Qc4 4.Qd2 Qa6 5.dxc5 Nxc5 6.Ned4 Qb6 7.c4 Rd8 µ (-0.78) Depth: 12/41 00:00:56 22241kN 1...Qxb2 2.Rb1 Qa2 3.Ra1 Qc4 4.Ng3 Qxc3+ 5.Bd2 Qb2 6.Rb1 µ (-0.78) Depth: 13/38 00:01:18 30883kN 1...Qxb2-- ³ (-0.50) Depth: 14/31 00:01:44 41729kN 1...Qxb2 2.Rb1 Qa2 3.Ra1 Qc4 4.Ng3 Qxc3+ 5.Bd2 Qb2 6.Rb1 Qa3 7.Ra1 Qb2 = (0.00) Depth: 14/47 00:01:52 45296kN Uri
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