Author: Pete Galati
Date: 15:00:36 01/31/01
Go up one level in this thread
On January 31, 2001 at 17:40:12, Dann Corbit wrote:
>On January 31, 2001 at 13:28:30, leonid wrote:
>
>>Hi!
>>
>>If you like to solve forced mate, here is the position.
>>
>>[D]2Q1N1qq/rQ2NPnP/r3qpqk/1Rb1n1qp/3N1nb1/1q1Q1B1R/2QB4/2R1K2R w - -
>>
>>Please indicate your result... even if your program failed.
>
>Here is the ColChess search of the position. It is interesting (to me) because
>it does NOT use NULL MOVE. I estimate it would complete ply 11 in under an
>hour, ply 12 in under 4 hours, and ply 13 in a day. I'm not sure if extensions
>would spot the mate in-between or not (though ColChess is particularly adept at
>spotting mates before other programs do at the same depth of search).
>
>Please Input Name:-leonid
>leonid.epd loaded OK!
>Set Time Limit [5] :- 999
>Log to File leonid.out [YES/NO]? YES
>Appending to output file!
>Test #1 : White to play
>
>Current Position
>----------------
>. . Q . N . q q
>r Q . . N P n P pP=Pawn
>r . . . q p q k rR=Rook
>. R b . n . q p nN=Knight lower=Black
>. . . N . n b . bB=Bishop CAPS=White
>. q . Q . B . R qQ=Queen
>. . Q B . . . . kK=King
>. . R . K . . R
>Thinking [88 Moves]
>Current Position=-8.79
>{L2} :::::::::::::::::::::::::::::::::::::::::::: PxG8(N) (19.93) Nodes=6220
>Eval=639 [0.02s]
>{L3} :::::::::::::::::::::::::::::::::::::::::::: PxG8(N) (22.90) Nodes=301159
> Eval=194039 [2.97s]
>{L4} :::::::::::::::::::::::::::::::::::::::::::: PxG8(N) (24.58) Nodes=587636
> Eval=344955 [8.18s]
>{L5} :::::::::::::::::::::::::::::::::::::::::::: PxG8(N) (22.64) Nodes=309178
> Eval=149791 [10.72s]
>{L6} :::::::::::::::::::::::::::::::::::::::::::: PxG8(N) (23.23) Nodes=744242
> Eval=258102 [15.36s]
>{L7} :::::::::::::::::::::::::::::::::::::::::::: PxG8(N) (22.62)
>Nodes=2280759 Eval=1185072 [35.26s]
>{L8} :::::::::::::::::::::::::::::::::::::::::::: PxG8(N) (26.80)
>Nodes=4506521 Eval=1087177 [60.59s]
>{L9} :::::::::::::::::::::::::::::::::::::::::::: PxG8(N) (22.60)
>Nodes=8808047 Eval=4509577 [161.7s]
>{L10} :::::::::::::::::::::::::::::::::::::::::::: PxG8(N) (26.70)
>Nodes=102049807 Eval=26762671 [798.3s]
>{L11} ::0 (ABORT) PxG8(N) (27.26) Nodes=18123135 Eval=8252103 [999.0s]
>16 Minutes, 39 Seconds - D'oh
>Nodes=137716704 Eval=42744126
>Table Hits=382931 [310689 Entries]
>
>PV : h7g8n+ h8g8 e7g8+ h6h7 e8f6+ e6f6 g8f6+ g5f6 d3g6+ e5g6 c8g8+ h7h6
>d2f4+ f6f4 b5b3 g4h3 c2c5 a7b7 f3b7
>---Answer: hxg8=N+ **-Correct-**
>Correct So Far: 1[0]/1
>
>Result: 1[0]/1 (100%)[0%]
I like that log file.
Pete
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.