Author: Jeroen van Dorp
Date: 12:32:11 01/30/03
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I can't you anything but Fritz' 8 analysis; which considers the diagram position even. Given two pawns (a2 and a7) unable to promote, we are stuck with a bishop against three pawns. If there were no queens this would be a win for white, maybe even with a pawn less. In those cases I cunningly always wonder what would happen after a swap to make things a bit easier. White want's to promote his pawn and could sacrifice two pawns to get rid of the bishop, In that case you're stuck with K+Q+P against K+Q. In a queen endgame with a pawn extra it's possible to draw for the disadvantaged party in some cases, although the endgame is tough, and mostly won for (in this case!) white. Important is if the pawn left is a rook's pawn or not. In that case black could defend himself. J. [D]q6k/p4Pb1/6K1/1Q4P1/7P/8/P7/8 b - - 0 1 Analysis by Fritz 8: 1...Qe4+! +- (1.78) Depth: 7/20 00:00:00 34kN 1...Qe4+! +- (1.50) Depth: 7/25 00:00:00 43kN 1...Qe4+ 2.Qf5 Qc6+ 3.Kh5 Qd6 4.f8Q+ Bxf8 +- (1.50) Depth: 8/22 00:00:00 80kN 1...Qe4+ 2.Qf5 Qc6+ 3.Kh5 Qd6 4.a4 Qd1+ 5.Qg4 Qxg4+ 6.Kxg4 a6 7.h5 Kh7 8.Kf5 +- (1.59) Depth: 9/27 00:00:00 142kN 1...Qe4+ 2.Qf5 Qc6+ 3.Kh5 Qd6 4.a4 Qd1+ 5.Qg4 Qxg4+ 6.Kxg4 a6 7.h5 Kh7 8.Kf5 +- (1.59) Depth: 10/26 00:00:00 235kN 1...Qe4+! ± (1.31) Depth: 11/33 00:00:00 593kN 1...Qe4+! ± (1.03) Depth: 11/37 00:00:01 835kN 1...Qe4+! ± (0.75) Depth: 12/37 00:00:02 1778kN 1...Qe4+! ² (0.47) Depth: 12/37 00:00:03 2697kN 1...Qe4+ 2.Qf5 Qc6+ 3.Kh5 Bf8 4.a4 Kg7 5.a5 Qd6 6.Qc2 a6 7.Qc3+ Kxf7 8.Qc4+ Ke8 9.Qe4+ Kd8 10.Qb7 = (0.22) Depth: 13/35 00:00:05 5126kN 1...Qe4+ 2.Qf5 Qc6+ 3.Kh5 Bf8 4.a4 Kg7 5.a5 Qd6 6.Qc2 Qe6 7.Qb2+ Kxf7 8.Qf2+ Kg8 9.Qxa7 = (0.00) Depth: 14/41 00:00:13 11492kN, tb=5 1...Qe4+-- ² (0.28) Depth: 15/39 00:00:17 15528kN, tb=9 1...Qe4+ 2.Qf5 Qc6+ ² (0.28) Depth: 15/44 00:00:20 18217kN, tb=23 1...Qe4+! = (0.00) Depth: 16/46 00:00:43 38807kN, tb=122 1...Qe4+-- ² (0.28) Depth: 17/43 00:00:55 51810kN, tb=172 1...Qe4+ 2.Qf5 Qc6+ ² (0.28) Depth: 17/52 00:01:14 69390kN, tb=460
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