Author: Thomas Mayer
Date: 06:09:29 11/05/00
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Hi Uri, >[D]Q3b3/3k1p2/4p2P/3pP3/1q6/8/Q5K1/8 b - - 0 1 >I believe that in this position black can force perpetual check by Qe4+ >How much time do chess programs need to see the perpetual check(I did not prove >that there is a perpetual check but comp-comp games from this position ended in >a draw). Here some Analysis from Goliath Light of the Young Talents: Analysis by Goliath Light: 1...Dg4+ 2.Kf2 Df4+ 3.Ke2 Dxe5+ 4.Kd2 Dg5+ 5.Ke2 Dh5+ 6.Kd2 Dxh6+ 7.Ke2 Dh5+ 8.Kd2 = (0.00) Tiefe: 6/22 00:00:00 1...Dg4+ 2.Kf2 Df4+ 3.Ke2 Dxe5+ 4.Kd2 Dg5+ 5.Ke2 Dh5+ 6.Kd2 Dxh6+ 7.Ke2 Dh5+ 8.Kd2 = (0.00) Tiefe: 6/22 00:00:00 195kN 1...Dg4+ 2.Kf2 Df4+ 3.Ke2 Dxe5+ 4.Kd2 Dg5+ 5.Ke2 Dh5+ 6.Kd2 Dxh6+ 7.Ke2 Dh5+ 8.Kd2 = (0.00) Tiefe: 7/22 00:00:00 200kN 1...Dg4+ 2.Kf2 Df4+ 3.Ke2 Dxe5+ 4.Kd2 Dg5+ 5.Ke2 Dh5+ 6.Kd2 Dxh6+ 7.Ke2 Dh5+ 8.Kd2 = (0.00) Tiefe: 7/22 00:00:00 232kN 1...Dg4+ 2.Kf2 Df4+ 3.Ke2 Dxe5+ 4.Kd2 Dg5+ 5.Ke2 Dh5+ 6.Kd2 Dxh6+ 7.Ke2 Dh5+ 8.Kd2 = (0.00) Tiefe: 8/25 00:00:00 468kN 1...Dg4+ 2.Kf2 Df4+ 3.Ke2 Dxe5+ 4.Kd2 Dg5+ 5.Ke2 Dh5+ 6.Kd2 Dxh6+ 7.Ke2 Dh5+ 8.Kd2 = (0.00) Tiefe: 8/25 00:00:00 558kN 1...Dg4+ 2.Kf2 Df4+ 3.Ke2 Dxe5+ 4.Kd2 Dg5+ 5.Ke2 Dh5+ 6.Kd2 Dxh6+ 7.Ke2 Dh5+ 8.Kd2 = (0.00) Tiefe: 9/25 00:00:01 618kN 1...Dg4+ 2.Kf2 Df4+ 3.Ke2 Dxe5+ 4.Kd2 Dg5+ 5.Ke2 Dh5+ 6.Kd2 Dxh6+ 7.Ke2 Dh5+ 8.Kd2 = (0.00) Tiefe: 9/25 00:00:01 805kN 1...Dg4+ 2.Kf2 Df4+ 3.Ke2 Dxe5+ 4.Kd2 Dg5+ 5.Ke2 Dh5+ 6.Kd2 Dxh6+ 7.Ke2 Dh5+ 8.Kd2 = (0.00) Tiefe: 10/27 00:00:01 1421kN 1...Dg4+ 2.Kf2 Df4+ 3.Ke2 Dxe5+ 4.Kd2 Dg5+ 5.Ke2 Dh5+ 6.Kd2 Dxh6+ 7.Ke2 Dh5+ 8.Kd2 Dg5+ 9.Kd3 Df5+ = (0.00) Tiefe: 10/28 00:00:02 1829kN 1...Dg4+ 2.Kf2 Df4+ 3.Ke2 Dxe5+ 4.Kd2 Dg5+ 5.Ke2 Dh5+ 6.Kd2 Dxh6+ 7.Ke2 Dh5+ 8.Kd2 Dg5+ 9.Kd3 Df5+ = (0.00) Tiefe: 11/28 00:00:02 2119kN 1...Dg4+ 2.Kf2 Df4+ 3.Ke2 Dxe5+ 4.Kd2 Dg5+ 5.Ke2 Dh5+ 6.Kd2 Dxh6+ 7.Ke2 Dh5+ 8.Kd2 Dg5+ 9.Kd3 Df5+ = (0.00) Tiefe: 11/30 00:00:03 3325kN 1...Dg4+ 2.Kf2 Df4+ 3.Ke2 Dxe5+ 4.Kd2 Dg5+ 5.Ke2 Dh5+ 6.Kd2 Dxh6+ 7.Ke2 Dh5+ 8.Kd2 Dg5+ 9.Kd3 Df5+ = (0.00) Tiefe: 12/31 00:00:05 5128kN 1...Dg4+ 2.Kf2 Df4+ 3.Ke2 Dxe5+ 4.Kd2 Dg5+ 5.Ke2 Dh5+ 6.Kd2 Dxh6+ 7.Ke2 Dh5+ 8.Kd2 Dg5+ 9.Kd3 Df5+ = (0.00) Tiefe: 12/32 00:00:07 7942kN 1...Dg4+ 2.Kf2 Df4+ 3.Ke2 Dxe5+ 4.Kd2 Dg5+ 5.Ke2 Dh5+ 6.Kd2 Dxh6+ 7.Ke2 Dh5+ 8.Kd2 Dg5+ 9.Kd3 Df5+ = (0.00) Tiefe: 13/32 00:00:10 10964kN 1...Dg4+ 2.Kf2 Df4+ 3.Ke2 Dxe5+ 4.Kd2 Dg5+ 5.Ke2 Dh5+ 6.Kd2 Dxh6+ 7.Ke2 Dh5+ 8.Kd2 Dg5+ 9.Kd3 Df5+ = (0.00) Tiefe: 13/38 00:00:19 23021kN 1...Dg4+ 2.Kf2 Df4+ 3.Ke2 Dxe5+ 4.Kd2 Dg5+ 5.Ke2 Dh5+ 6.Kd2 Dxh6+ 7.Ke2 Dh5+ 8.Kd2 Dg5+ 9.Kd3 Df5+ = (0.00) Tiefe: 14/39 00:00:24 27940kN 1...Dg4+ 2.Kf2 Df4+ 3.Ke2 Dxe5+ 4.Kd2 Dg5+ 5.Ke2 Dh5+ 6.Kd2 Dxh6+ 7.Ke2 Dh5+ 8.Kd2 Dg5+ 9.Kd3 Dg6+ 10.Kd4 = (0.00) Tiefe: 14/39 00:00:53 61411kN 1...Dg4+ 2.Kf2 Df4+ 3.Ke2 Dxe5+ 4.Kd2 Dg5+ 5.Ke2 Dh5+ 6.Kd2 Dxh6+ 7.Ke2 Dh5+ 8.Kd2 Dg5+ 9.Kd3 Dg6+ 10.Kd4 = (0.00) Tiefe: 15/42 00:01:06 75038kN 1...Dg4+ 2.Kf2 Df4+ 3.Ke2 Dxe5+ 4.Kd2 Dg5+ 5.Ke2 Dh5+ 6.Kd2 Dxh6+ 7.Ke2 Dh5+ 8.Kd2 Dg5+ 9.Kd3 Dg6+ 10.Kd4 = (0.00) Tiefe: 15/44 00:04:39 289193kN 1...Dg4+ 2.Kf2 Df4+ 3.Ke2 Dxe5+ 4.Kd2 Dg5+ 5.Ke2 Dh5+ 6.Kd2 Dxh6+ 7.Ke2 Dh5+ 8.Kd2 Dg5+ 9.Kd3 Dg6+ 10.Kd4 = (0.00) Tiefe: 16/47 00:05:23 343040kN (Mayer, Mayer International 05.11.2000) We all know that Goliath thinks sometimes it is a draw when there is no draw, but for me Goliath's line seems to be okay, what do you think ? Greets, Thomas
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