Arasan test suite additions

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jdart
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Re: Arasan test suite additions (2nd draft)

Post by jdart »

I think someday this test suite will be considered easy. I am still amazed that 100 million nodes is reachable in <1 minute by most programs. When I started out in computer chess that was unreachable (even unthinkable) by anyone I think, at normal time controls.

Btw. I am trying to fit in also this amazing sac by Ding Liren (I strongly suspect it was home preparation):

[d] rnbqr1k1/pp3p1p/4pbpB/2p1N3/3P1PQ1/2PB4/P5PP/R4RK1 w - -

bm Bxg6. See http://www.chesscafe.com/informant/informant128.htm.

--Jon
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zullil
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Re: Arasan test suite additions (2nd draft)

Post by zullil »

jdart wrote: Btw. I am trying to fit in also this amazing sac by Ding Liren (I strongly suspect it was home preparation):

[d] rnbqr1k1/pp3p1p/4pbpB/2p1N3/3P1PQ1/2PB4/P5PP/R4RK1 w - -

bm Bxg6. See http://www.chesscafe.com/informant/informant128.htm.

--Jon
Spark-1.0 (8 threads, 2 GB hash) gets this one quickly:

Code: Select all

 [17/38]   19.249   30012k      47  ++2/50 Bd3xg6
 [17/38]   20.209   31550k      78  Bxg6 fxg6 
 [17/38]   21.217   33203k      74  Bxg6 fxg6 Nxg6 Qc7 Ne5+ Bg7 Qh5 Re7 Bxg7 Kxg7 Qg5+ Kh8 Qf6+ Kg8 Ng4 h5 Qg6+ Kf8 Nf6 Rf7 Rae1 Qd8 Qg8+ Ke7 
 [17/41]   24.684   38756k      74  timeout/1.9 (INF)
 [18/41]   25.818   40559k      94  Bxg6 fxg6 Nxg6 Qc7 Ne5+ Bg7 Qh5 Re7 Bxg7 Kxg7 Qg5+ Kh8 Qf6+ Kg8 Ng4 h5 Qg5+ Kf8 Nf6 Rg7 Qxh5 Qc6 g3 cxd4 cxd4 
 [18/44]   36.666   57973k      94  timeout/1.5 (INF)
 [19/52]   45.721   73567k      99  Bxg6 fxg6 Nxg6 hxg6 Qxg6+ Kh8 Bg5 Rf8 Rf3 Bxg5 Rh3+ Bh4 Qh6+ Kg8 Rxh4 Qxh4 Qxh4 cxd4 cxd4 Nc6 Rc1 Rf7 Rc3 Rg7 Rh3 Kf7 Qh5+ Ke7 Re3 
 [19/52]  0:01:12     116m      99  timeout/2.1 (INF)
 [20/52]  0:01:19     126m     110  Bxg6 fxg6 Nxg6 hxg6 Qxg6+ Kh8 Bg5 Rf8 Rf3 Bxg5 Rh3+ Bh4 Qh6+ Kg8 Rxh4 Qxh4 Qxh4 cxd4 cxd4 Nc6 Rc1 Rf7 Rc3 Rg7 Rh3 b6 Qh8+ Kf7 Rh7 Rxh7 Qxh7+ Kf6 
 [20/58]  0:02:53     278m     110  timeout/2.4 (INF)
 [21/58]  0:03:08     298m     129  Bxg6 fxg6 Nxg6 hxg6 Qxg6+ Kh8 Bg5 Rf8 Rf3 Bxg5 Rh3+ Bh4 Qh6+ Kg8 Rxh4 Qxh4 Qxh4 cxd4 cxd4 Nc6 Rc1 Rf7 Rc3 Rg7 Rh3 b6 Qh8+ Kf7 Rh7 Rxh7 Qxh7+ Kf6 d5 
 [21/58]  0:05:04     494m     129  timeout/1.8 (INF)
 [22/58]  0:05:32     536m     133  Bxg6 fxg6 Nxg6 hxg6 Qxg6+ Kh8 Bg5 Rf8 Rf3 Bxg5 Rh3+ Bh4 Qh6+ Kg8 Rxh4 Qxh4 Qxh4 cxd4 cxd4 Nc6 Rc1 Rf7 Rc3 Kf8 Qh8+ Ke7 g3 Rf8 Qg7+ Rf7 Qg8 Rf8 Qh7+ Rf7 Qg6 Nxd4 Rc7+ Bd7 Rxb7
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zullil
Posts: 6442
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Full name: Louis Zulli

Re: Arasan test suite additions (2nd draft)

Post by zullil »

zullil wrote:
jdart wrote: Btw. I am trying to fit in also this amazing sac by Ding Liren (I strongly suspect it was home preparation):

[d] rnbqr1k1/pp3p1p/4pbpB/2p1N3/3P1PQ1/2PB4/P5PP/R4RK1 w - -

bm Bxg6. See http://www.chesscafe.com/informant/informant128.htm.

--Jon
Spark-1.0 (8 threads, 2 GB hash) gets this one quickly:

Code: Select all

 [17/38]   19.249   30012k      47  ++2/50 Bd3xg6
 [17/38]   20.209   31550k      78  Bxg6 fxg6 
 [17/38]   21.217   33203k      74  Bxg6 fxg6 Nxg6 Qc7 Ne5+ Bg7 Qh5 Re7 Bxg7 Kxg7 Qg5+ Kh8 Qf6+ Kg8 Ng4 h5 Qg6+ Kf8 Nf6 Rf7 Rae1 Qd8 Qg8+ Ke7 
 [17/41]   24.684   38756k      74  timeout/1.9 (INF)
 [18/41]   25.818   40559k      94  Bxg6 fxg6 Nxg6 Qc7 Ne5+ Bg7 Qh5 Re7 Bxg7 Kxg7 Qg5+ Kh8 Qf6+ Kg8 Ng4 h5 Qg5+ Kf8 Nf6 Rg7 Qxh5 Qc6 g3 cxd4 cxd4 
 [18/44]   36.666   57973k      94  timeout/1.5 (INF)
 [19/52]   45.721   73567k      99  Bxg6 fxg6 Nxg6 hxg6 Qxg6+ Kh8 Bg5 Rf8 Rf3 Bxg5 Rh3+ Bh4 Qh6+ Kg8 Rxh4 Qxh4 Qxh4 cxd4 cxd4 Nc6 Rc1 Rf7 Rc3 Rg7 Rh3 Kf7 Qh5+ Ke7 Re3 
 [19/52]  0:01:12     116m      99  timeout/2.1 (INF)
 [20/52]  0:01:19     126m     110  Bxg6 fxg6 Nxg6 hxg6 Qxg6+ Kh8 Bg5 Rf8 Rf3 Bxg5 Rh3+ Bh4 Qh6+ Kg8 Rxh4 Qxh4 Qxh4 cxd4 cxd4 Nc6 Rc1 Rf7 Rc3 Rg7 Rh3 b6 Qh8+ Kf7 Rh7 Rxh7 Qxh7+ Kf6 
 [20/58]  0:02:53     278m     110  timeout/2.4 (INF)
 [21/58]  0:03:08     298m     129  Bxg6 fxg6 Nxg6 hxg6 Qxg6+ Kh8 Bg5 Rf8 Rf3 Bxg5 Rh3+ Bh4 Qh6+ Kg8 Rxh4 Qxh4 Qxh4 cxd4 cxd4 Nc6 Rc1 Rf7 Rc3 Rg7 Rh3 b6 Qh8+ Kf7 Rh7 Rxh7 Qxh7+ Kf6 d5 
 [21/58]  0:05:04     494m     129  timeout/1.8 (INF)
 [22/58]  0:05:32     536m     133  Bxg6 fxg6 Nxg6 hxg6 Qxg6+ Kh8 Bg5 Rf8 Rf3 Bxg5 Rh3+ Bh4 Qh6+ Kg8 Rxh4 Qxh4 Qxh4 cxd4 cxd4 Nc6 Rc1 Rf7 Rc3 Kf8 Qh8+ Ke7 g3 Rf8 Qg7+ Rf7 Qg8 Rf8 Qh7+ Rf7 Qg6 Nxd4 Rc7+ Bd7 Rxb7
As does Critter-1.6 (8 threads, 2 GB hash):

Code: Select all

18/42+ 00:13  113740K   8279K  +0.19 Bxg6 hxg6 dxc5 Bxe5 fxe5 Nd7
18/42+ 00:15  131819K   8373K  +0.32 Bxg6 hxg6 dxc5 Bxe5 fxe5 Nd7
18/42+ 00:19  163591K   8493K  +0.51 Bxg6 hxg6 dxc5 Bxe5 fxe5 Nd7
18/44+ 00:27  241405K   8755K  +0.79 Bxg6 hxg6 dxc5 Bxe5 fxe5 Nd7
18/46+ 00:39  351205K   8930K  +1.22 Bxg6 hxg6 dxc5 Bxe5 fxe5 Nd7
18/54  00:51  464386K   9025K  +1.48 Bxg6 hxg6 Nxg6 fxg6 Qxg6+ Kh8 Bg5 Bxg5 Rf3 Bh4 Rh3 Rf8 Qh6+ Kg8 Rxh4 Kf7 Qh5+ Ke7 Qxc5+ Kf7 Rh7+ Kg8 Qh5 Qf6 Rh6 Qg7 Rg6
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Norm Pollock
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Re: Arasan test suite additions (2nd draft)

Post by Norm Pollock »

Hi Jon,
Here is an easy position where the player to move has a material disadvantage but yet can force a draw.

r1r3k1/1b1n1pp1/1p2pn1p/pPp1N3/2BPqB1P/P3P3/2Q2P1R/2R1K3 w - - bm Bd3;

-Norm
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Eelco de Groot
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Full name:   Eelco de Groot

Re: Arasan test suite additions (2nd draft)

Post by Eelco de Groot »

jdart wrote: Btw. I am trying to fit in also this amazing sac by Ding Liren (I strongly suspect it was home preparation):

[d] rnbqr1k1/pp3p1p/4pbpB/2p1N3/3P1PQ1/2PB4/P5PP/R4RK1 w - -

bm Bxg6. See http://www.chesscafe.com/informant/informant128.htm.

--Jon
Rainbow Serpent needs 2'53" for this one, 28 plies with the new Non Singular Reductions :) I don't think it is that much worse than the regular singular extensions from Stockfish but I haven't really done any good comparisons yet, only the branching factor, that is about the same.

Eelco

rnbqr1k1/pp3p1p/4pbpB/2p1N3/3P1PQ1/2PB4/P5PP/R4RK1 w - -

Engine: Rainbow serpent Experimental build 83 Q6700, 4 threads, 512 MB
by Tord Romstad, Marco Costalba and Joona Kiiski


28/52 1:57 +1.77++ 1.Kh1 cxd4 2.cxd4 Qxd4 3.Rad1 Bxe5
4.Bb5 Nc6 5.Rxd4 Bxd4 6.Qh4 a6 7.Bd3 Bd7
8.Be4 Kh8 9.f5 f6 10.Bxc6 e5 11.Bxd7 e4
12.Bxe8 Rxe8 13.fxg6 hxg6 14.Rxf6 (228.303.885) 1951

28/52 2:12 +1.89++ 1.Kh1 cxd4 2.cxd4 Qxd4 3.Rad1 Bxe5
4.Bb5 Nc6 5.Rxd4 Bxd4 6.Qh4 a6 7.Bd3 Bd7
8.Rd1 Rac8 9.Be4 Ne7 10.g4 Nc6
11.Rxd4 Nxd4 12.Qf6 e5 13.fxe5 Ne2
14.Bxb7 (258.364.867) 1954

28/56 2:53 +2.08++ 1.Bxg6 hxg6 2.Nxg6 fxg6 3.Qxg6+ Kh8
4.Bg5 Rf8 5.Rf3 Bxg5 6.Rh3+ Bh4
7.Qh5+ Kg8 8.Rxh4 Qxh4 9.Qxh4 Nc6
10.Qg5+ Kh7 11.dxc5 Rf5 12.Qh4+ Kg8
13.Qg3+ Kh8 14.Re1 (346.725.916) 1993

28/56 3:01 +1.81 1.Bxg6 hxg6 2.Nxg6 fxg6 3.Qxg6+ Kh8
4.Bg5 Bxg5 5.Rf3 Bh4 6.Rh3 Nc6
7.Qh6+ Kg8 8.Rxh4 Qxh4 9.Qxh4 Re7
10.Qg5+ Rg7 11.Qxc5 Nd8 12.Qe5 Bd7
13.d5 Nf7 14.Qd4 (361.916.222) 1998

29/56 3:10 +1.89++ 1.Bxg6 hxg6 2.Nxg6 fxg6 3.Qxg6+ Kh8
4.Bg5 Bxg5 5.Rf3 Bh4 6.Rh3 Nc6
7.Qh6+ Kg8 8.Rxh4 Qxh4 9.Qxh4 Re7
10.Qg5+ Rg7 11.Qxc5 Nd8 12.Qe5 Bd7
13.d5 Nf7 14.Qd4 (380.395.660) 1996

29/56 3:11 +1.97++ 1.Bxg6 hxg6 2.Nxg6 fxg6 3.Qxg6+ Kh8
4.Bg5 Bxg5 5.Rf3 Bh4 6.Rh3 Nc6
7.Qh6+ Kg8 8.Rxh4 Qxh4 9.Qxh4 Re7
10.Qg5+ Rg7 11.Qxc5 Nd8 12.Qe5 Bd7
13.d5 Nf7 14.Qf6 (383.243.923) 1996

29/56 3:13 +2.10++ 1.Bxg6 fxg6 2.Nxg6 hxg6 3.Qxg6+ Kh8
4.Bg5 Bxg5 5.Rf3 Bh4 6.Rh3 Nc6
7.Qh6+ Kg8 8.Rxh4 Qxh4 9.Qxh4 Re7
10.Qg5+ (386.725.568) 1997

29/56 3:19 +2.28++ 1.Bxg6 hxg6 2.Nxg6 fxg6 3.Qxg6+ Kh8
4.Bg5 Bxg5 5.fxg5 Re7 6.Qh6+ Kg8
7.g6 cxd4 8.Rf4 Rg7 9.Rf7 Rxf7
10.gxf7+ Kxf7 11.Rf1+ Kg8 12.Qg6+ Kh8
13.Rf7 Qg8 14.Qh5+ (400.232.679) 2002

29/56 3:28 +2.55++ 1.Bxg6 fxg6 2.Nxg6 Qc7 3.Ne5+ Bg7
4.Qh5 Rf8 5.Bxg7 Qxg7 (419.688.980) 2008

29/56 3:37 +2.96++ 1.Bxg6 hxg6 2.Nxg6 fxg6 3.Qxg6+ Kh8
4.Bg5 Rf8 5.Rf3 Bxg5 6.Rh3+ Bh4
7.Qh5+ Kg8 8.Rxh4 Qxh4 9.Qxh4 cxd4
10.Qg5+ Kh8 11.Qh6+ Kg8 12.cxd4 Nc6
13.Re1 Rf5 14.Qg6+ (437.131.272) 2014

29/60 4:04 +2.70 1.Bxg6 hxg6 2.Nxg6 fxg6 3.Qxg6+ Kh8
4.Bg5 Rf8 5.Rf3 Bxg5 6.Rh3+ Bh4
7.Qh5+ Kg8 8.Rxh4 Qxh4 9.Qxh4 cxd4
10.Qg5+ Kh7 11.cxd4 Nc6 12.Qh5+ Kg7
13.Qg4+ Kf7 14.Qh5+ (502.261.642) 2056

30/68 4:24 +2.78++ 1.Bxg6 hxg6 2.Nxg6 fxg6 3.Qxg6+ Kh8
4.Bg5 Rf8 5.Rf3 Bxg5 6.Rh3+ Bh4
7.Qh5+ Kg8 8.Rxh4 Qxh4 9.Qxh4 cxd4
10.Qg5+ Kh7 11.cxd4 Nc6 12.Qh5+ Kg7
13.Qg4+ Kf7 14.Re1 (548.919.731) 2076

30/68 4:27 +2.86++ 1.Bxg6 fxg6 2.Nxg6 hxg6 3.Qxg6+ Kh8
4.Bg5 Rf8 5.Rf3 Bxg5 6.Rh3+ Bh4
7.Qh5+ Kg8 8.Rxh4 Qxh4 9.Qxh4 cxd4
10.cxd4 Nc6 11.Qg3+ Kh7 12.Re1 Rf6
13.d5 exd5 14.Re8 (556.304.117) 2076

30/68 4:47 +2.98++ 1.Bxg6 hxg6 2.Nxg6 fxg6 3.Qxg6+ Kh8
4.Bg5 Rf8 5.Rf3 Bxg5 6.Rh3+ Bh4
7.Qh5+ Kg8 8.Rxh4 Qxh4 9.Qxh4 cxd4
10.cxd4 Nc6 11.Qg3+ Kh8 12.Re1 Rf5
13.Qg4 Rb8 14.Re3 (601.505.433) 2094

30/68 5:02 +3.17++ 1.Bxg6 fxg6 2.Nxg6 e5 3.Qg3 hxg6
4.Qxg6+ Kh8 5.fxe5 Rg8 6.Qh5 Bg4
7.Bg7+ Kxg7 8.Qxg4+ Bg5 9.Rf6 Qxf6
10.exf6+ Kf7 11.Qh5+ Kf8 12.Re1 Rg7 (636.333.564) 2103

30/68 5:13 +3.11 1.Bxg6 fxg6 2.Nxg6 hxg6 3.Qxg6+ Kh8
4.Bg5 Rf8 5.Rf3 Bxg5 6.Rh3+ Bh4
7.Qh5+ Kg8 8.Rxh4 Qxh4 9.Qxh4 cxd4
10.Qg4+ Kf7 11.cxd4 Nc6 12.Re1 Rd8
13.Qh5+ Kg7 14.g4 (658.526.861) 2100

best move: Bd3xg6 time: 5:16.355 min n/s: 2.100.363 nodes: 658.526.861
Debugging is twice as hard as writing the code in the first
place. Therefore, if you write the code as cleverly as possible, you
are, by definition, not smart enough to debug it.
-- Brian W. Kernighan
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lech
Posts: 1169
Joined: Sun Feb 14, 2010 10:02 pm

Re: Arasan test suite additions (2nd draft)

Post by lech »

jdart wrote: Btw. I am trying to fit in also this amazing sac by Ding Liren (I strongly suspect it was home preparation):
[d] rnbqr1k1/pp3p1p/4pbpB/2p1N3/3P1PQ1/2PB4/P5PP/R4RK1 w - -
--Jon
It would be good to know, whether the interesting move 1.h4 leads to win too or not. It needs a strong computer rather. :?
Maybe, I can't be friendly, but let me be useful.
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zullil
Posts: 6442
Joined: Tue Jan 09, 2007 12:31 am
Location: PA USA
Full name: Louis Zulli

Re: Arasan test suite additions (2nd draft)

Post by zullil »

lech wrote:
jdart wrote: Btw. I am trying to fit in also this amazing sac by Ding Liren (I strongly suspect it was home preparation):
[d] rnbqr1k1/pp3p1p/4pbpB/2p1N3/3P1PQ1/2PB4/P5PP/R4RK1 w - -
--Jon
It would be good to know, whether the interesting move 1.h4 leads to win too or not. It needs a strong computer rather. :?
Here's what Stockfish gives using 8 threads, 4 GB hash and MultiPV=2:

Code: Select all

info depth 38 seldepth 101 score cp 440 nodes 61793308681 nps 8233313 time 7505278 multipv 1 pv d3g6 h7g6 e5g6 f7g6 g4g6 g8h8 h6g5 e8f8 f1f3 f6g5 f3h3 g5h4 g6h5 h8g8 h3h4 d8h4 h5h4 b8d7 h4g5 g8f7 f4f5 e6f5 g5f5 d7f6 f5c5 c8d7 a1f1 f7g6 c5c7 a8e8 c7b7 d7g4 b7c6 e8e6 c6b5 e6e8 c3c4 g4e2 f1f4 f6h5 b5c6 g6g7 f4f8 e8f8 c6c7 g7g6 h2h3 f8f1 g1h2 f1f7 c7c5 h5f6 d4d5 e2d3 c5d4 d3c2 d5d6 c2e4 g2g4

info depth 38 seldepth 101 score cp 363 nodes 61793308681 nps 8233313 time 7505278 multipv 2 pv h2h4 b8c6 h4h5 c6e7 h5g6 f7g6 e5g6 e7g6 d3g6 e8e7 f4f5 g8h8 a1e1 d8g8 g4g3 c5d4 f5e6 g8g6 g3g6 h7g6 f1f6 e7e6 f6e6 c8e6 e1e6 d4c3 e6e7 a8c8 e7b7 a7a5 g1f2 c8c4 g2g3 c3c2 h6c1 c4c3 f2e2 c3g3 b7c7 h8g8 c7c2 g8f7 c1e3 g3g2 e3f2 g2g4 e2d3 g4g2 a2a4 g6g5 c2e2 g5g4 f2b6 g2e2 d3e2 f7e6
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zullil
Posts: 6442
Joined: Tue Jan 09, 2007 12:31 am
Location: PA USA
Full name: Louis Zulli

Re: Arasan test suite additions (2nd draft)

Post by zullil »

Code: Select all

info depth 39 seldepth 101 score cp 452 nodes 95007903954 nps 8283711 time 11469243 multipv 1 pv d3g6 h7g6 e5g6 f7g6 g4g6 g8h8 h6g5 e8f8 f1f3 f6g5 f3h3 g5h4 g6h5 h8g8 h3h4 d8h4 h5h4 b8d7 h4g5 g8f7 f4f5 e6f5 g5f5 d7f6 f5c5 c8d7 a1f1 f7g6 h2h4 f6e4 f1f8 e4c5 f8a8 c5e4 c3c4 a7a6 a8b8 d7e6 d4d5 e6g4 b8b7 g6f6 b7c7 f6e5 c7g7 g4d1 g7g6 e4f6 g6g5 e5d6 g5f5 f6d7 h4h5 d1c2 f5f4

info depth 39 seldepth 101 score cp 391 nodes 95007903954 nps 8283711 time 11469243 multipv 2 pv h2h4 b8c6 h4h5 c6e7 h5g6 f7g6 e5g6 e7g6 d3g6 g8h8 g6e8 d8e8 h6g5 f6g7 d4c5 c8d7 a1d1 e8f7 f1e1 a8e8 c3c4 h7h5 g4h3 h8g8 h3g3 d7c6 g5h6 h5h4 g3g4 f7f6 h6g5 f6f5 g4f5 e6f5 e1e8 c6e8 g5h4 e8c6 d1d6 g7b2 h4f6 b2c1 f6e5 c1e3 g1h2 c6e4 d6d7 e4c6 d7e7
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lech
Posts: 1169
Joined: Sun Feb 14, 2010 10:02 pm

Re: Arasan test suite additions (2nd draft)

Post by lech »

zullil wrote:

Code: Select all

info depth 39 seldepth 101 score cp 452 nodes 95007903954 nps 8283711 time 11469243 multipv 1 pv d3g6 h7g6 e5g6 f7g6 g4g6 g8h8 h6g5 e8f8 f1f3 f6g5 f3h3 g5h4 g6h5 h8g8 h3h4 d8h4 h5h4 b8d7 h4g5 g8f7 f4f5 e6f5 g5f5 d7f6 f5c5 c8d7 a1f1 f7g6 h2h4 f6e4 f1f8 e4c5 f8a8 c5e4 c3c4 a7a6 a8b8 d7e6 d4d5 e6g4 b8b7 g6f6 b7c7 f6e5 c7g7 g4d1 g7g6 e4f6 g6g5 e5d6 g5f5 f6d7 h4h5 d1c2 f5f4

info depth 39 seldepth 101 score cp 391 nodes 95007903954 nps 8283711 time 11469243 multipv 2 pv h2h4 b8c6 h4h5 c6e7 h5g6 f7g6 e5g6 e7g6 d3g6 g8h8 g6e8 d8e8 h6g5 f6g7 d4c5 c8d7 a1d1 e8f7 f1e1 a8e8 c3c4 h7h5 g4h3 h8g8 h3g3 d7c6 g5h6 h5h4 g3g4 f7f6 h6g5 f6f5 g4f5 e6f5 e1e8 c6e8 g5h4 e8c6 d1d6 g7b2 h4f6 b2c1 f6e5 c1e3 g1h2 c6e4 d6d7 e4c6 d7e7
Thanks Louis, it looks that there are 2 sloutions at least. :D
Maybe, I can't be friendly, but let me be useful.
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zullil
Posts: 6442
Joined: Tue Jan 09, 2007 12:31 am
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Full name: Louis Zulli

Re: Arasan test suite additions (2nd draft)

Post by zullil »

lech wrote:
zullil wrote:

Code: Select all

info depth 39 seldepth 101 score cp 452 nodes 95007903954 nps 8283711 time 11469243 multipv 1 pv d3g6 h7g6 e5g6 f7g6 g4g6 g8h8 h6g5 e8f8 f1f3 f6g5 f3h3 g5h4 g6h5 h8g8 h3h4 d8h4 h5h4 b8d7 h4g5 g8f7 f4f5 e6f5 g5f5 d7f6 f5c5 c8d7 a1f1 f7g6 h2h4 f6e4 f1f8 e4c5 f8a8 c5e4 c3c4 a7a6 a8b8 d7e6 d4d5 e6g4 b8b7 g6f6 b7c7 f6e5 c7g7 g4d1 g7g6 e4f6 g6g5 e5d6 g5f5 f6d7 h4h5 d1c2 f5f4

info depth 39 seldepth 101 score cp 391 nodes 95007903954 nps 8283711 time 11469243 multipv 2 pv h2h4 b8c6 h4h5 c6e7 h5g6 f7g6 e5g6 e7g6 d3g6 g8h8 g6e8 d8e8 h6g5 f6g7 d4c5 c8d7 a1d1 e8f7 f1e1 a8e8 c3c4 h7h5 g4h3 h8g8 h3g3 d7c6 g5h6 h5h4 g3g4 f7f6 h6g5 f6f5 g4f5 e6f5 e1e8 c6e8 g5h4 e8c6 d1d6 g7b2 h4f6 b2c1 f6e5 c1e3 g1h2 c6e4 d6d7 e4c6 d7e7
Thanks Louis, it looks that there are 2 sloutions at least. :D
Here's the last update for h2h4:

Code: Select all

info depth 41 seldepth 101 score cp 436 nodes 373824621040 nps 8596327 time 43486548 multipv 2 pv h2h4 b8c6 h4h5 c6e7 h5g6 f7g6 e5g6 e7g6 d3g6 e8e7 f4f5 g8h8 a1e1 d8g8 g4g3 c5d4 f5e6 g8g6 g3g6 h7g6 f1f6 c8e6 e1e6 e7e6 f6e6 d4c3 e6e7 a8c8 e7b7 a7a5 g1f2 c8c4 g2g3 c3c2 h6c1 a5a4 f2e2 c4c3 e2d2 c3g3 d2c2 h8g8 b7a7 g3g4 c2d3 g8f8 c1d2 f8e8 d2e3 g4h4 a2a3 e8f8
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