Author: Mike S.
Date: 11:46:41 04/22/00
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On April 22, 2000 at 10:51:27, Pierre Bourget wrote: >Is it true in this position that Hiarcs play Qf7+ ?? because of the tablebase ? *Without* tablebases, Hiarcs 7.32 plays as follows (K6/2-400 MHz): 5k2/2Q5/8/8/5p2/5P2/5P2/K7 w - - 0 1 Analysis by Hiarcs 7.32: 1.Qxf4+ Ke7 2.Qh6 Kf7 +- (24.41) depth: 1 00:00:00 +- (24.56) depth: 3/13 00:00:00 1.Kb1 Ke8 2.Qxf4 +- (24.59) depth: 3/13 00:00:00 1.Kb2 Ke8 2.Kc3 Kf8 3.Qxf4+ Ke7 +- (24.63) depth: 3/13 00:00:00 +- (24.53) depth: 5/15 00:00:00 45kN 1.Qxf4+ Ke7 2.Qe5+ Kd7 3.f4 Kc6 +- (24.56) depth: 5/15 00:00:00 51kN +- (24.75) depth: 7/17 00:00:02 218kN 1.Qd7 Kg8 2.Qe7 Kh8 3.Qf6+ Kg8 4.Kb2 Kh7 5.Qg5 Kh8 +- (24.78) depth: 7/17 00:00:03 339kN +- (24.84) depth: 8/19 00:00:04 380kN 1.Qxf4+ Ke7 2.Qe5+ Kf7 3.f4 +- (25.03) depth: 8/19 00:00:04 387kN +- (25.34) depth: 10/23 00:00:12 1216kN 1.Kb2 Ke8 2.Kc3 Kf8 3.Kd4 Ke8 4.Ke5 Kf8 5.Kf6 Kg8 6.Qg7# +- (#6) depth: 10/23 00:00:13 1259kN +- (#6) depth: 10/23 00:00:15 1507kN Hiarcs does not play Qf7+ with the *four*-piece EGTB's: 1.Qxf4+ Ke7 2.Qh6 Kf7 +- (24.41) depth: 1 00:00:00 +- (24.56) depth: 3/13 00:00:00 (...) 1.Kb2 Kg8 2.Kc3 Kh8 3.Kd4 Kg8 4.Ke5 +- (#24) depth: 10/21 00:00:15 1382kN, tb=542 +- (#6) depth: 10/23 00:00:16 1526kN, tb=578 Regards, M.Scheidl Permanent Brain: http://members.surfeu.at/MScheidl
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