Author: Uri Blass
Date: 09:37:46 08/25/05
Go up one level in this thread
On August 25, 2005 at 12:31:18, John Merlino wrote: >On August 25, 2005 at 01:09:52, Vegadapirate wrote: > >>Hi John , if The King finds that here try this one white is totally lossing this >>position you can start up the position with any chess engine and it shows white >>lossing but white to move and DRAW the game... >> >>[D] 2br4/r2pp3/8/1p1p1kN1/pP1P4/2P3R1/PP3PP1/2K5 w - - 0 1 > >This, of course, is a completely different kind of problem. I don't know what >the answer is, but if it involves a way for White to get a draw by perpetual >check, then The King (and most other engines) will have a very difficult time >showing a draw score. They might show the right move, and even a series of >checks in the PV, but the score will still favor Black due to the material >advantage. > >Here is what The King says: > >Time Depth Score Positions Moves >0:00 1/4 -2.62 2145 1.Nf7 Re8 2.Nh6+ Ke4 3.Re3+ Kf4 > 4.Rf3+ Kg5 >0:00 1/5 -2.53 6314 1.Nf7 Re8 2.Nh6+ Ke4 3.Nf7 Ra6 >0:00 1/6 -2.84 20160 1.Nf7 Re8 2.Nh6+ Kf6 3.Kd2 Rh8 > 4.Rf3+ Kg6 5.Nf7 >0:00 1/7 -2.92 65741 1.Nf7 Re8 2.Re3 Ra6 3.Rf3+ Ke6 > 4.Nh6 Rh8 >0:00 1/8 -3.04 137932 1.Nf7 Re8 2.Nh6+ Kf6 3.Kd2 d6 4.Ng8+ > Ke6 5.Nh6 Rf8 >0:01 1/9 -3.03 339079 1.Nf7 Re8 2.Re3 Ra6 3.Rf3+ Kg6 > 4.Ne5+ Kg7 5.Rg3+ Kh7 6.Kd2 Rf6 >0:03 1/10 -3.18 754625 1.Nf7 Re8 2.Rf3+ Ke6 3.g4 d6 4.Nh6 > Kd7 5.g5 Rh8 6.Kd2 >0:06 1/11 -3.19 1696773 1.Nf7 Re8 2.Rf3+ Ke6 3.g4 Rg8 4.Nh6 > Rg6 5.Re3+ Kf6 6.Rf3+ Kg5 7.Nf7+ > Kh4 8.Ne5 Rg5 >0:15 2/12 -3.13 3876922 1.Nf7 Re8 2.Rf3+ Ke6 3.g4 Rg8 4.Nh6 > Rg6 5.Re3+ Kf6 6.Rf3+ Kg5 7.Nf7+ > Kh4 8.Ne5 Rf6 >0:42 3/13 -3.31 10960577 1.Nf7 Re8 2.Nh6+ Kf6 3.Ng4+ Ke6 > 4.Ne3 d6 5.f4 Bb7 6.Rg6+ Kd7 7.f5 > Raa8 8.Kd2 Rh8 >1:35 4/14 -3.40 24989331 1.Nf7 Re8 2.Nh6+ Kf6 3.Ng4+ Ke6 > 4.Ne3 Bb7 5.Kd2 a3 6.b3 Raa8 7.Rg6+ > Kf7 8.Rg4 Rg8 9.Rh4 Rg7 >4:18 5/15 -3.42 68301446 1.Nf7 Re8 2.Nh6+ Kf6 3.Ng4+ Ke6 > 4.Re3+ Kf5 5.Rg3 d6 6.Ne3+ Ke6 > 7.Rg5 Bb7 8.f4 Raa8 9.g4 Rg8 10.Rh5 > Kd7 > >What's the answer? > >jm see http://www.talkchess.com/forums/1/message.html?445017
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