Author: Dann Corbit
Date: 12:30:47 12/18/02
Go up one level in this thread
On December 18, 2002 at 14:10:04, Art Basham wrote:
>In 1964 Tal played...Qd6...!
>
>I am wondering if any chess programs find it too...
>
>[D]rnb1k1nr/1p3pbp/p1p3p1/q3p3/2B1PB2/2N2N2/P1PQ1PPP/1R2R1K1 w - - 0 13
>
>This is the actual position at move 13...
>Taken from the book, "Power Mates"...
This is on a 950 MHz Athlon. On a 2.8 GHz machine, it would solve it in
tournament time control of 40/2.
E:\PROGRA~3\winboard\ruffian>ruffian -h 300M -T qd6.epd -t 999 -p 12
Hash size 314572800
Ruffian 1.0.1
feature done=0
Loading configuration: ruffian.cfg
Warning: EGTB_HASH_SIZE changed, default=1048576, newvalue=8388608
Logfile: Wed Dec 18 12:10:25 2002
Total hash size 300M
Initializing tablebases: /programme/winboard/nalimov
Testing qd6.epd, 999 seconds, extra ply 12
Testing: test 1 Solution: Qd6
rnb1k1nr/1p3pbp/p1p3p1/q3p3/2B1PB2/2N2N2/P1PQ1PPP/1R2R1K1 w - -
Depth Time Score Best line
7/18 1.19 -0.07 Bg5 f6 Be3 b5 Bb3 b4 Na4
7/18 1.22 x.xx Be3
7/18 1.50 0.08 Be3 b5 Bb3 f6 Bc5 Bf8 Bxf8 Kxf8
7--> 3.24 0.08 Be3 b5 Bb3 f6 Bc5 Bf8 Bxf8 Kxf8
8/22 4.99 0.26 Be3 Nd7 Ng5 Nh6 Red1 b5 Be2 Kf8
8--> 8.34 0.26 Be3 Nd7 Ng5 Nh6 Red1 b5 Be2 Kf8
9/26 9.17 ++ Be3
9/26 17.90 0.91 Be3 Qc7 Ng5 Nh6 Na4 Nd7 Bxf7+ Nxf7 Ne6 Qd6 Nxg7+
Kf8
9--> 24.73 0.91 Be3 Qc7 Ng5 Nh6 Na4 Nd7 Bxf7+ Nxf7 Ne6 Qd6 Nxg7+
Kf8
10/28 27.09 ++ Be3
10/28 30.50 1.50 Be3 Qc7 Ng5 Nh6 Na4 Nd7 Nb6 Nxb6 Bxb6 Qd7 Qa5
10--> 51.55 1.50 Be3 Qc7 Ng5 Nh6 Na4 Nd7 Nb6 Nxb6 Bxb6 Qd7 Qa5
11/29 1:14 -- Be3
11/29 1:28 0.91 Be3 Nd7 Rxb7 Bxb7 Bxf7+ Kf8 Qxd7 Qxc3 Qxb7 Rd8 Qc7
Bf6
11--> 2:24 0.91 Be3 Nd7 Rxb7 Bxb7 Bxf7+ Kf8 Qxd7 Qxc3 Qxb7 Rd8 Qc7
Bf6
12/31 3:09 0.62 Be3 Nd7 Ng5 Nh6 Red1 b5 Qd6 bxc4 Qxc6 Qxc3 Qxa8 Ke7
12/34 5:27 x.xx Qd6
12/34 5:51 ++ Qd6
12/34 6:02 1.42 Qd6 f6 Rxb7 Bxb7 Qe6+ Ne7 Qf7+ Kd8 Rd1+ Nd7 Qxg7
Re8 Be6 Bc8 Bd2
12--> 7:16 1.42 Qd6 f6 Rxb7 Bxb7 Qe6+ Ne7 Qf7+ Kd8 Rd1+ Nd7 Qxg7
Re8 Be6 Bc8 Bd2
13/35 9:11 ++ Qd6
13/35 12:53 2.03 Qd6 f6 Nxe5 fxe5 Red1 b5 Bxe5 Bf8 Qd4 Be7 Bxh8 bxc4
Qg7 Nf6
13... 16:38 27/55 Rf1
Time: 16:39, cpu 97.26%, nodes 675300400, nps 675962
Hash: 128M, used 100%, hits 24%
EGTB: probs 0, hits 0
Best move: Qd6 (2.03) Solved (1/1)
Summery: 1/1
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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