Author: Dann Corbit
Date: 17:31:44 06/26/03
Go up one level in this thread
On June 26, 2003 at 11:18:26, Igor Gorelikov wrote:
>One Test position
>==================
>
>There is a section of everyday's puzzles on my site:
>http://www.digichess.gr/infiniteloop/home.php
>
>All puzzles are taken from engine to engine games of Infinite Loop.
>
>Prior to publish a puzzle on my site I always offer Crafty 19.3 to solve it.
>
>I was amazed that today's puzzle was hard to solve even for Crafty so it
>can be a good test position for any chess engine.
>
>What Phalanx XXII (engine number 10 among free WB engines) plays here as
>white (and find it at once)?
>
>[D] r1bq3r/ppp3pp/3k4/3p4/3nP1Q1/8/PP4PP/RN3RK1 w - - 0 17
>
>PS: Yace can find it after some time too.
E:\programme\winboard\ruffian>ruffian -h 200M -T \e5.epd -t 999 -p 99
Hash size 209715200
Ruffian 1.0.1
feature done=0
Loading configuration: ruffian.cfg
Warning: EGTB_HASH_SIZE changed, default=1048576, newvalue=8388608
Logfile: Thu Jun 26 17:10:18 2003
Total hash size 200M
Initializing tablebases: /programme/winboard/nalimov
Testing \e5.epd, 999 seconds, extra ply 99
Testing: test 1 Solution: e5+
r1bq3r/ppp3pp/3k4/3p4/3nP1Q1/8/PP4PP/RN3RK1 w - -
Depth Time Score Best line
1--> 1.68 -2.70 Qxg7
2/6 1.69 -3.00 Qxg7 Ne2+ Kf2
2/6 1.73 ++ e5+
2/6 1.73 0.08 e5+ Kc5 Rc1+ Kb6
2--> 1.82 0.08 e5+ Kc5 Rc1+ Kb6
3/8 1.83 -- e5+
3/8 1.83 -0.27 e5+ Kc5 Rc1+ Kb6 Qxd4+ Ka6
3/9 1.83 x.xx Qg3+
3/10 1.83 0.00 Qg3+ Ke6 Qg4+ Ke5 Qf4+ Ke6 Qg4+
3--> 1.84 0.00 Qg3+ Ke6 Qg4+ Ke5 Qf4+ Ke6 Qg4+
4/13 1.85 0.00 Qg3+ Ke6 Qg4+ Ke5 Qf4+ Ke6 Qg4+
4--> 1.92 0.00 Qg3+ Ke6 Qg4+ Ke5 Qf4+ Ke6 Qg4+
5/15 1.99 -0.06 Qg3+ Kc6 Qc3+ Kb5 Qd3+ Ka5 b4+ Ka4 Qxd4 dxe4 Qxe4
5/15 1.99 x.xx e5+
5/15 2.05 0.06 e5+ Kc5 Rc1+ Kb6 Qxd4+ Ka6 Qa4+ Kb6 Qb4+ Ka6 Nc3
5--> 2.15 0.06 e5+ Kc5 Rc1+ Kb6 Qxd4+ Ka6 Qa4+ Kb6 Qb4+ Ka6 Nc3
6/17 2.24 ++ e5+
6/18 2.27 0.05 e5+ Kc5 Rc1+ Kb5 Qxd4 c6 Nc3+ Ka6 Rf1
6--> 2.57 0.05 e5+ Kc5 Rc1+ Kb5 Qxd4 c6 Nc3+ Ka6 Rf1
7/18 2.61 ++ e5+
7/19 2.75 0.66 e5+ Kc5 Rc1+ Kb5 Qxd4 Ka6 Qa4+ Kb6 Qb4+ Ka6 Qa3+
Kb6 Qc5+ Ka6 Qxc7 Qxc7 Rxc7 Rg8
7--> 3.22 0.66 e5+ Kc5 Rc1+ Kb5 Qxd4 Ka6 Qa4+ Kb6 Qb4+ Ka6 Qa3+
Kb6 Qc5+ Ka6 Qxc7 Qxc7 Rxc7 Rg8
8/24 5.16 0.70 e5+ Kxe5 Qf4+ Ke6 Qxd4 c6 Qxg7 Kd6 Rc1 Qb6+ Kh1 Re8
8--> 6.36 0.70 e5+ Kxe5 Qf4+ Ke6 Qxd4 c6 Qxg7 Kd6 Rc1 Qb6+ Kh1 Re8
9/26 9.03 0.66 e5+ Kxe5 Qf4+ Ke6 Qxd4 c6 Qxg7 Kd6 b4 Qb6+ Kh1 Be6
Qc3
9--> 11.96 0.66 e5+ Kxe5 Qf4+ Ke6 Qxd4 c6 Qxg7 Kd6 b4 Qb6+ Kh1 Be6
Qc3
10/29 21.20 0.90 e5+ Kxe5 Qxg7+ Kd6 Qxd4 Re8 Nd2 Qg5 Rad1 Bg4 Rf6+
Kd7 Rc1
10--> 28.50 0.90 e5+ Kxe5 Qxg7+ Kd6 Qxd4 Re8 Nd2 Qg5 Rad1 Bg4 Rf6+
Kd7 Rc1
11/31 46.97 1.00 e5+ Kxe5 Qxg7+ Kd6 Qxd4 Re8 Nd2 b6 Rf6+ Re6 Rf7 c5
Qa4 Re2
11--> 1:05 1.00 e5+ Kxe5 Qxg7+ Kd6 Qxd4 Re8 Nd2 b6 Rf6+ Re6 Rf7 c5
Qa4 Re2
12/34 2:37 0.75 e5+ Kxe5 Qf4+ Ke6 Nc3 c5 Qf7+ Kd6 Qxd5+ Kc7 Qxc5+
Nc6 Rad1 Bd7 Rf7 Kc8 Rdxd7 Qxd7 Rxd7 Kxd7
12--> 4:32 0.75 e5+ Kxe5 Qf4+ Ke6 Nc3 c5 Qf7+ Kd6 Qxd5+ Kc7 Qxc5+
Nc6 Rad1 Bd7 Rf7 Kc8 Rdxd7 Qxd7 Rxd7 Kxd7
13/37 8:40 1.02 e5+ Kxe5 Qxg7+ Kd6 Qxd4 c5 Rf6+ Be6 Qf4+ Kd7 Nc3
Rf8 Nxd5 Rxf6 Nxf6+ Kc8 Re1 Bxa2 Nxh7
13--> 12:11 1.02 e5+ Kxe5 Qxg7+ Kd6 Qxd4 c5 Rf6+ Be6 Qf4+ Kd7 Nc3
Rf8 Nxd5 Rxf6 Nxf6+ Kc8 Re1 Bxa2 Nxh7
14... 12:11 1/39 e5+
Time: 16:39, cpu 91.60%, nodes 586753433, nps 587323
Hash: 128M, used 100%, hits 19%
EGTB: probs 0, hits 0
Best move: e5+ (1.02) Solved (1/1)
Summery: 1/1
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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