Author: Uri Blass
Date: 08:50:45 11/05/00
Go up one level in this thread
On November 05, 2000 at 09:09:29, Thomas Mayer wrote: >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 I do not like the line. I suspect that after 3...Qxe5+ 4.Kd1 white is winning because the white queen can help in defending from checks. I think that 3...Qxe5+ is a mistake. Uri
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