Author: Dann Corbit
Date: 16:34:14 02/23/99
Go up one level in this thread
On February 23, 1999 at 16:17:09, blass uri wrote:
>3r1b1k/pp6/2n2q1p/2Bp1B1Q/5P2/1P4p1/P7/4R1K1 w - - 0 1
>
>This position is from a correspondence game
>
>White played 34.Re6(This is the best move and probably leads to a draw)
>
>This is a hard position for chess programs.
>
>Chessmaster6000 needed more than 20 minutes with ss=6
>and almost 8 minutes with ss=10 on pentium200MMX
>
>other programs are even slower and cannot solve it in a reasonable time.
>
>I am interested to know What is the result of Hiarcs7 with selectivity=5,6,7.
Crafty never finds it either (after 12 minutes on a busy machine). Crafty
settles on Re8 instead. If I remember when I leave tonight, I will set up
Hiarcs 7 to analyze the problem.
You come up with such wonderful test problems.
1. Do you have them all in one collection of EPD?
2. Can I have a copy?
Crafty v16.5 (1 cpus)
White(1): go
clearing hash tables
time surplus 0.00 time limit 12:50 (12:50)
depth time score variation (1)
5 0.14 -- 1. Be3
5 0.15 -5.29 1. Be3 d4 2. Kg2 dxe3 3. Rxe3
5 0.19 ++ 1. Bxf8!!
5 0.30 -3.34 1. Bxf8 Rxf8 2. Re8 Nd4 3. Rxf8+ Qxf8
4. Bg6 Qxf4 5. Qxd5
[snip]
10-> 1:02 -2.65 1. Bxf8 Rxf8 2. Re8 Nd4 3. Rxf8+ Qxf8
4. Bd3 Qxf4 5. Qe8+ Kg7 6. Qd7+ Kf6
7. Qd8+ Kf7 8. Qxd5+ Kf6 9. Qxb7
11 1:19 -- 1. Bxf8
11 2:43 -3.35 1. Bxf8 Rxf8 2. Re8 Rxe8 3. Qxe8+ Kg7
4. Qd7+ Ne7 5. Qxb7 Kf7 6. Bh7 Qb2
7. Bg8+ Kxg8 8. Qxe7 <HT>
11 5:18 ++ 1. Re8!!
11 5:31 -2.80 1. Re8 Rxe8 2. Qxe8 Qxf5 3. Bxf8 Kh7
4. Kg2 h5 5. Qa8 Qd7 6. Kxg3 Qg4+ 7.
Kf2 Qxf4+
11-> 5:56 -2.80 1. Re8 Rxe8 2. Qxe8 Qxf5 3. Bxf8 Kh7
4. Kg2 h5 5. Qa8 Qd7 6. Kxg3 Qg4+ 7.
Kf2 Qxf4+
12 6:29 -2.97 1. Re8 Rxe8 2. Qxe8 Qxf5 3. Bxf8 Kh7
4. Kg2 Qxf4 5. Qd7+ Kg6 6. Qe6+ Qf6
7. Qxf6+ Kxf6 8. Kxg3 h5 9. Kf4
12-> 10:22 -2.97 1. Re8 Rxe8 2. Qxe8 Qxf5 3. Bxf8 Kh7
4. Kg2 Qxf4 5. Qd7+ Kg6 6. Qe6+ Qf6
7. Qxf6+ Kxf6 8. Kxg3 h5 9. Kf4
13 12:00 -2.81 1. Re8 Rxe8 2. Qxe8 Qxf5 3. Bxf8 Kh7
4. Kg2 h5 5. Kxg3 Qg4+ 6. Kf2 Qxf4+
7. Ke2 Qg4+ 8. Kf2 Qd4+ 9. Ke2 <HT>
time=12:50 cpu=99% mat=-2 n=108423624 fh=91% nps=140718
ext-> checks=8517429 recaps=327123 pawns=496705 1rep=766660
predicted=0 nodes=108423624 evals=14143415
endgame tablebase-> probes done=0 successful=0 plimit=17
SMP-> split=0 stop=0 data=0/64 cpu=12:50 elap=12:50
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