Author: Mike S.
Date: 21:22:06 11/25/00
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On November 25, 2000 at 23:30:57, Mogens Larsen wrote: >I would like to know what programs not using tablebases would say about this >position. > >[D]8/8/8/8/6N1/6Kp/4R3/5rk1 b - - 0 71 > P3/700, 32 MB Hash, Hiarcs 7.32-GUI: Analysis by LiGo2000a: 1...Tf5 2.Te1+ Tf1 3.Te2 Tf5 4.Te1+ Tf1 +- (2.14) Tiefe: 6 00:00:00 3kN 1...Tc1 2.Sh2 Kh1 3.Td2 Kg1 +- (2.09) Tiefe: 6 00:00:00 3kN +- (2.14) Tiefe: 7 00:00:00 12kN 1...Tf5 2.Te1+ Tf1 3.Te2 Tf5 4.Te1+ Tf1 +- (2.09) Tiefe: 7 00:00:00 12kN +- (2.09) Tiefe: 18 00:01:52 118330kN Strange, it evaluates a repetion +2.09 ?! ---------- Analysis by Fritz 5.32: 1...h2 ± (0.75) Tiefe: 1/5 00:00:00 1...Td1 ² (0.62) Tiefe: 1/5 00:00:00 +- (3.44) Tiefe: 5/11 00:00:00 7kN 1...Tf5 2.Se3 Tg5+ 3.Kxh3 Th5+ 4.Kg4 Th2 +- (3.34) Tiefe: 5/13 00:00:00 12kN ± (0.91) Tiefe: 5/13 00:00:00 13kN 1...Tf7 2.Sh2 Tg7+ 3.Kxh3 Th7+ 4.Kg3 Tg7+ 5.Sg4 Tf7 ± (0.87) Tiefe: 5/13 00:00:00 16kN ± (0.91) Tiefe: 6/13 00:00:00 28kN 1...Tf8 2.Te3 Tf7 3.Kxh3 Kf1 4.Kg3 Tg7 5.Te5 Tg8 ± (0.87) Tiefe: 6/14 00:00:00 37kN ± (1.03) Tiefe: 13/28 00:00:58 57248kN ---------- Analysis by Junior 5.0: 1...Ta1 2.Kxh3 Ta3+ 3.Se3 Ta1 4.Th2 ± (1.35) Tiefe: 3 00:00:00 +- (1.58) Tiefe: 6 00:00:00 1kN 1...Tf8 2.Ta2 h2 3.Tg2+ Kf1 4.Sxh2+ Ke1 5.Sf3+ Kd1 6.Td2+ Kc1 7.Td3 Te8 8.Tc3+ Kb2 9.Tc4 Te3 10.Kf2 Tc3 +- (1.43) Tiefe: 6 00:00:00 2kN ± (1.06) Tiefe: 20 00:01:30 71101kN ---------- ---------- WITH 4-piece tablebases: Analysis by Crafty 16.6: 1...h2 2.Sxh2 +- (5.11) Tiefe: 1 00:00:00 1...Tf5 +- (4.71) Tiefe: 1 00:00:00 1...Td1 +- (4.32) Tiefe: 1 00:00:00 1...Tc1 2.Kxh3 Kf1 +- (3.93) Tiefe: 1 00:00:00 +- (5.08) Tiefe: 3 00:00:00 1...Tf7 2.Sh2 Tg7+ 3.Kxh3 Th7+ 4.Kg3 Tg7+ 5.Sg4 Kf1 6.Te8 Tg5 7.Kh3 Ta5 8.Te7 Ta1 9.Kg3 Ta3+ 10.Kh2 Ta2+ 11.Kh1 +- (4.93) Tiefe: 3 00:00:00 +- (5.08) Tiefe: 15 00:02:10 77537kN, tb=114985 ---------- Analysis by Hiarcs 7.32: 1...Tf5 2.Se3 Tg5+ 3.Kxh3 Th5+ 4.Kg4 ² (0.34) Tiefe: 1 00:00:00 ² (0.33) Tiefe: 3/11 00:00:00 1...Tf7 2.Se3 Tg7+ 3.Kxh3 Th7+ 4.Kg3 Tg7+ 5.Sg4 Kf1 6.Tc2 Tg5 7.Tc1+ Ke2 8.Kh3 Td5 ² (0.28) Tiefe: 3/16 00:00:00 ± (0.90) Tiefe: 8/24 00:00:01 194kN, tb=63 1...Tf5 2.Se3 Tg5+ 3.Kf3 Kh1 4.Te1+ Tg1 5.Sf1 Txf1+ 6.Txf1+ Kh2 ± (0.85) Tiefe: 8/26 00:00:02 353kN, tb=99 +- (2.22) Tiefe: 10/30 00:00:11 2033kN, tb=792 1...Tf7 2.Sh2 Tg7+ 3.Kxh3 Th7+ 4.Kg3 Tg7+ 5.Sg4 Kf1 ± (0.90) Tiefe: 10/30 00:00:16 2825kN, tb=1124 ± (0.93) Tiefe: 13/30 00:02:09 23393kN, tb=9935 BIG difference between the evaluations of Crafty and Hiarcs! Which one is right? Regards, M.Scheidl P.S.: With white to move, it's #4. All engines mentioned found this immediatly. (Oops...?)
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