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Subject: Re: endgame test position

Author: Bas Hamstra

Date: 06:27:17 01/20/05

Go up one level in this thread


On January 19, 2005 at 23:57:03, Jon Dart wrote:

>[D] 4R3/6p1/PK4kp/1PB2p2/8/3r4/3rp3/8 w - -
>
>How long to play a7?
>How long to give it a + score?
>
>Arasan plays a7 almost immediately but the score is still
>negative after several minutes.
>
>Pharaon 2.1 plays a7 in 24 seconds, gives a + score after
>158 seconds (Athlon 2500+).
>
>--Jon

Tao 5.7 (Pentium M1400):

  8.04	 0:00 	-2.13 	1.Bb4 Rd8 2.Re6+ Kf7 3.Re7+ Kf6 4.Bxd2 Kxe7 5.Bb4+ Ke6
  9.01	 0:01 	-1.86 	1.Bb4 Ra2 2.a7 Rd4 3.Rxe2 Rxe2 4.a8Q Rxb4 5.Qd5
  9.05	 0:01 	-1.86++ 	1.a7 (768.323) 388.6
  9.05	 0:01 	-1.20 	1.a7 Rd8 2.Rxd8 Rxd8 3.Bb4 Kf6 4.Kb7 Rd7+ 5.Kb8 Rxa7
 10.01	 0:02 	-1.17 	1.a7 Rd8 2.Rxd8 Rxd8 3.Bf2 Kf6 4.Kb7 Rd7+ 5.Kb8 Rxa7
 11.01	 0:03 	-0.87 	1.a7 Rd8 2.Rxd8 Rxd8 3.Bf2 Kg5 4.Kb7 Kf4 5.b6 Kf3 6.Bh4
 12.01	 0:05 	-0.62 	1.a7 Rd8 2.Rxd8 Rxd8 3.Bf2 f4 4.Kb7 Kf5 5.b6 Ke5 6.a8Q
 13.01	 0:08 	-0.36 	1.a7 Rd8 2.Rxd8 Rxd8 3.Bf2 Kf6 4.Kb7 Ke5 5.b6 Rf8 6.Be1
 14.01	 0:14 	-0.16 	1.a7 Rd8 2.Rxd8 Rxd8 3.Bf2 Kf6 4.Kb7 Ke5 5.b6 f4 6.a8Q
 15.01	 0:29 	 0.00 	1.a7 Rd8 2.Rxd8 Rxd8 3.Bf2 Re8 4.Kb7 Re7+ 5.Kb6 Re8
 16.01	 2:26 	+1.54 	1.a7 Rd8 2.Rxd8 Rxd8 3.Bf2 Kf7 4.Kb7 Rd7+ 5.Ka6 Rd1
 17.01	 9:26 	+1.98 	1.a7 Rd8 2.Rxd8 Rxd8 3.Bf2 Kf7 4.Kb7 Rd7+ 5.Ka6 Rd1


Bas.



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