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Subject: Re: endgame position

Author: Dann Corbit

Date: 17:06:39 01/03/01

Go up one level in this thread


On January 03, 2001 at 19:51:25, Michael Fuhrmann wrote:

>[D] 8/5p2/8/4P1p1/4bk2/8/8/4BK2 b - - 0 63
>
>This position was reached in a comp-comp blitz game on my computer between
>crafty 17.14 and little goliath. I was surprised that crafty (black) did not
>play Kxe5, which wins, and instead played g4, which eventually draws.
>
>Later I let crafty analyse the position, and it doesn't really seem to settle on
>Kxe5 until ply 16 or thereabouts (about 2 1/2 minutes on my computer).

Interesting.  Phalanx takes the pawn right off the bat and never wavers.  One
thing I have noticed is that Phalanx has an amazing ability to find moves that
seem tough to other programs for some reason.

E:\programme\winboard\Phalanx>Phalanx -l+ -t32768 -r900 -o-
tellics set 1 Phalanx XXII
primary book ./pbook.phalanx, 48749 bytes
secondary book ./sbook.phalanx, 4831506 bytes
learning file ./learn.phalanx, 262144 bytes
[ white, 1 ]
post
post on
[ white, 1 ]
level 40 240 2400
level: 40 moves in 240:00, increment 2400 seconds
[ white, 1 ]

[ white, 1 ]
8/5p2/8/4P1p1/4bk2/8/8/4BK2 b - - 0 63

8/5p2/8/4P1p1/4bk2/8/8/4BK2 b - - 0 63
    -> increment adds 440 s to soft time limit
    -> soft time limit 611.42 s
    -> hard time limit 12000 s
  7 ->   0:00.69   142610   0 turns
  8    183   102   209429  Kf4xe5  Be1-d2  Ke5-f5  Bd2-c3  Kf5-g6  Kf1-f2
                           Pf7-f5  Kf2-g3
  8 ->   0:01.78   397592   0 turns
  9    189   338   761905  Kf4xe5  Be1-c3  Ke5-f5  Kf1-f2  Kf5-g6  Kf2-e3
                           Pf7-f5  Ke3-d4  Kg6-h5  Kd4-e5
  9 ->   0:05.14  1218019   0 turns
 10    189   699  1658891  Kf4xe5  Be1-d2  Ke5-f5
 10 ->   0:11.04  2693763   0 turns
 11    190  1391  3334115  Kf4xe5  Be1-d2  Ke5-f5  Bd2-c3  Kf5-g6  Kf1-f2
                           Pf7-f5  Kf2-g3  Kg6-h5  Bc3-d2
 11 ->   0:22.98  5683030   0 turns
 12    189  3124  7726957  Kf4xe5  Be1-c3  Ke5-f4
 12 ->   0:58.47 14603794   0 turns
 13    190  6907 16862826  Kf4xe5  Be1-c3  Ke5-f4  Bc3-f6  Pg5-g4  Kf1-f2
 13 ->   1:56.11 28378644   0 turns
 14    191 14199 34221964  Kf4xe5  Be1-c3  Ke5-f4  Bc3-f6  Pg5-g4  Kf1-f2
                           Pg4-g3  Kf2-e2  Be4-f3  Ke2-d2  Bf3-d5  Kd2-e2
 14 ->   4:08.61 58880889   0 turns
 15    197 31793 73424252  Kf4xe5  Be1-c3  Ke5-f4  Bc3-f6  Pg5-g4  Kf1-f2
                           Pg4-g3  Kf2-e2  Be4-d5  Ke2-f1  Kf4-f3  Kf1-e1
                           Bd5-c4  Ke1-d2  Bc4-a6  Kd2-c3



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