Author: leonid
Date: 15:20:49 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).
If you will briefly say what is the ColChess program, will be appreciated.
Please say when and what language was used to write it.
Don't be offended if everybody already knows about this program beyond me.
Leonid.
>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%]
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