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Subject: Re: New Tough Endgame Test Suite

Author: Pete Galati

Date: 19:19:58 05/27/00

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On May 27, 2000 at 19:04:35, Peter McKenzie wrote:

>On May 27, 2000 at 15:12:29, Pete Galati wrote:
>
><snip>
>>[D]5k2/p1p4R/1pr5/3p1pP1/P2P1P2/2P2K2/8/8 w
>
>This position caught my eye because its from a famous Capablanca game.  The key
>move is Kg3!
>
>Out of curiosity i tried it on LambChop, and of course Chop initially prefered
>Rd7, but at depth 14 it switched to Kg3 with a score of about +0.4.  It took
>about 15min on Pentium 133.
>
>How do other programs do on this position?
>
>cheers,
>Peter

Personally I would have chose Rd7, I suppose Kg3 gives the King a chance to get
in front of the pawns?  On my 586-90 the Dos Comet chose Rd7, I think I had the
time control at 1 move/50 minutes, something close to that.

Comet-B.22    Sat May 27 20:06:00 2000

depth	score	  sec	  nodes  t pv
 1.	+1.54	    0	      288	 h7h8  f8g7
 2.	+0.50	    0	     1412	 h7d7  c6c3  f3e2
 3.	+0.84	    0	     4404	 h7d7  c6c3  f3e2  c3c4  d7d5  c4a4  d5f5
 4.	+0.69	    0	    14637	 h7d7  c6c3  f3e2  c3c2  e2e3  c2c3  e3d2
 4.	+0.69	    0	    15929	 h7d7  c6c3  f3e2  c3c2  e2e3  c2c3  e3d2
 5.	+0.84	    1	    20055	 h7d7  c6c3  f3g2  c3c4  g5g6
 5.	+0.84	    1	    39005	 h7d7  c6c3  f3g2  c3c4  g5g6
 6.	+0.83	    2	    51674	 h7d7  c6c3  f3e2  c3a3  d7d5  a3a2  e2d3
 6.	+0.83	    4	    88711	 h7d7  c6c3  f3e2  c3a3  d7d5  a3a2  e2d3
 7?	+0.69	    5	   105799	 h7d7  c6c3  f3e2  c3a3  d7c7  a3a4  g5g6
 7.	+0.55	   10	   193129	 h7d7  c6c3  f3e2  c3a3  d7d5  f8e8
 7.	+0.55	   12	   232260	 h7d7  c6c3  f3e2  c3a3  d7d5  f8e8
 8!	+0.68	   14	   274377	 h7d7  c6c3  f3e2  c3a3  d7d5  f8f7  d5f5
 8.	+0.83	   17	   325838	 h7d7  c6c3  f3e2  c3c4  d7d5  c4a4  d5f5
 8.	+0.83	   25	   476754	 h7d7  c6c3  f3e2  c3c4  d7d5  c4a4  d5f5
 9.	+0.92	   36	   669708	 h7d7  c6c3  f3e2  c3c4  d7d5  c4a4  d5f5
 9.	+0.92	   53	   959831	 h7d7  c6c3  f3e2  c3c4  d7d5  c4a4  d5f5
10.	+0.83	   75	  1400253	 h7d7  c6c3  f3e2  c3c4  d7d5  c4a4  d5f5
10.	+0.83	  114	  2104591	 h7d7  c6c3  f3e2  c3c4  d7d5  c4a4  d5f5
11.	+0.87	  169	  3271001	 h7d7  c6c3  f3e2  a7a5  d7d5  f8g7  d5f5
11.	+0.87	  252	  5064229	 h7d7  c6c3  f3e2  a7a5  d7d5  f8g7  d5f5
12?	+0.73	  344	  7343824	 h7d7  c6c3  f3e2  c7c6  d7a7  c3c4  e2d3
12!	+0.73	  646	 14093649	 h7d7  c6c3  f3e2  c7c6  d7a7  c3c2  e2d3
12.	+0.73	  646	 14093649	 h7d7  c6c3  f3e2  c7c6  d7a7  c3c2  e2d3
13?	+0.59	  705	 15621660	 h7d7  c6c3  f3e2  c7c6  d7a7  c3c4  e2e3
13!	+0.59	 1450	 33200388	 h7d7  c6c3  f3e2  c7c6  d7a7  c3c4  a7a8
13.	+0.59	 1450	 33200388	 h7d7  c6c3  f3e2  c7c6  d7a7  c3c4  a7a8

==> My Move: h7d7 in 24:15

below, Comet is pondering move to make after Rd7 Rxc3:

 1.	+0.88	    0	      275	 f3e2  c3c4  d7d5  c4a4  d5f5  f8g7
 2.	+0.88	    0	      410	 f3e2  c3c4  d7d5  c4a4  d5f5  f8g7
 3.	+0.88	    0	      973	 f3e2  c3c4  d7d5  c4a4  d5f5  f8g7
 4.	+0.88	    0	     2904	 f3e2  c3c4  d7d5  c4a4  d5f5  f8g7
 4.	+0.88	    0	     2906	 f3e2  c3c4  d7d5  c4a4  d5f5  f8g7
 5.	+0.73	    0	    11574	 f3e2  c3a3  d7d5  a3a2  e2e3
 5.	+0.73	    0	    11576	 f3e2  c3a3  d7d5  a3a2  e2e3
 6!	+0.86	    1	    25097	 f3e2  c3a3  d7d5  a3a4  d5f5  f8g8  e2d3
 6.	+0.87	    1	    35532	 f3e2  c3a3  d7d5  a3a4  d5f5  f8g7  e2e3
 6.	+0.87	    1	    35534	 f3e2  c3a3  d7d5  a3a4  d5f5  f8g7  e2e3
 7.	+0.92	    3	    73280	 f3e2  c3a3  d7d5  a3a4  d5f5  f8g7  e2d3
 7.	+0.92	    3	    73282	 f3e2  c3a3  d7d5  a3a4  d5f5  f8g7  e2d3
 8.	+0.89	    6	   148548	 f3e2  c3a3  d7d5  a3a4  d5f5  f8g7  e2d3
 8.	+0.89	    6	   148550	 f3e2  c3a3  d7d5  a3a4  d5f5  f8g7  e2d3
 9!	+1.02	   21	   481778	 f3e2  c3a3  d7d5  a3a4  d5f5  f8g7  e2d3
 9?	+1.02	   23	   525143	 f3e2  c3a3  d7d5  a3a4  d5f5  f8g7  e2d3
 9.	+1.02	   23	   525145	 f3e2  c3a3  d7d5  a3a4  d5f5  f8g7  e2d3
10?	+0.88	   63	  1450663	 f3e2  c7c6  d7a7  c3c4  a7a8  f8g7  g5g6
10?	+0.61	   63	  1452175	 f3e2  c7c6  d7a7  c3c4  g5g6  c4d4  a7g7
10.	+0.59	   63	  1457513	 f3e2  c7c6  d7a7  c3c4  a7a8  f8g7  e2d3
10.	+0.59	   63	  1457515	 f3e2  c7c6  d7a7  c3c4  a7a8  f8g7
[snip]



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