Test Position

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JWorcester
Posts: 18
Joined: Mon Jan 25, 2010 11:37 pm
Location: United Kingdom

Test Position

Post by JWorcester »

[d] r3nk2/2qb1p2/3ppPp1/p3b2p/1p2PN1Q/1B1R4/PPP3PP/5RK1 b - -

Here's a position that arose from a match between Houdini 1.5 and Rybka 4 at 20/10 on my i7.

Rybka takes quite awhile to see that a4 in this position is losing to Rg3. How long does your fav engine take to see that a4 is losing and that it needs to play something else?
zullil
Posts: 6442
Joined: Tue Jan 09, 2007 12:31 am
Location: PA USA
Full name: Louis Zulli

Re: Test Position

Post by zullil »

JWorcester wrote:[d] r3nk2/2qb1p2/3ppPp1/p3b2p/1p2PN1Q/1B1R4/PPP3PP/5RK1 b - -

Here's a position that arose from a match between Houdini 1.5 and Rybka 4 at 20/10 on my i7.

Rybka takes quite awhile to see that a4 in this position is losing to Rg3. How long does your fav engine take to see that a4 is losing and that it needs to play something else?
Stockfish-2.0 (16 threads) takes about 30 seconds:

Code: Select all

Searching: r3nk2/2qb1p2/3ppPp1/p3b2p/1p2PN1Q/1B1R4/PPP3PP/5RK1 b - -
infinite: 1 ponder: 0 time: 0 increment: 0 moves to go: 0
 1     -0.08   00:00    12996 Qc5+ 
 2     -0.08   00:00    13102 Qc5+ Kh1 Bxb2 
 2     +0.04   00:00    13580 Bxb2 Kh1 
 3     +0.08   00:00    14728 Bxb2 Kh1 Be5 
 3     +0.16   00:00    16096 Qc5+ Kh1 Bxb2 Ne2 
 3     +0.53   00:00    18071 a4 Bxe6 Qc5+ Qf2 Bxe6 Qxc5 dxc5 Nxe6+ fxe6 
 4     +0.53   00:00    18778 a4 Bxe6 Qc5+ Qf2 Bxe6 Qxc5 dxc5 Nxe6+ fxe6 
 5     +0.53   00:00    19815 a4 Bxe6 Qc5+ Qf2 Bxe6 Qxc5 dxc5 Nxe6+ fxe6 
 6  >  +0.61   00:00    25329 a4 Bxe6 Qc5+ Qf2 Bxe6 Qxc5 dxc5 Nxe6+ fxe6 
 6  >  +0.69   00:00    25708 a4 Bxe6 Qc5+ Qf2 Bxe6 Qxc5 dxc5 Nxe6+ fxe6 
 6  >  +0.85   00:00    26452 a4 Bxe6 Qc5+ Qf2 Bxe6 Qxc5 dxc5 Nxe6+ fxe6 
 6  >  +1.17   00:00    29188 a4 Bxe6 Bxe6 Nxe6+ fxe6 f7 Ng7 
 6     +0.77   00:00    30266 a4 Bxe6 Bxe6 Nxe6+ fxe6 f7 Ng7 c3 bxc3 bxc3 Bxc3 
 6     +0.85   00:00    32052 Qc5+ Kh1 a4 Bxe6 Bxe6 Nxe6+ fxe6 f7 Nc7 c3 bxc3 
                              bxc3 Bxc3 
 7  <  +0.53   00&#58;00    45913 Qc5+ Rf2 Bxf6 Qg3 Bxb2 Nxg6+ 
 7  >  +1.17   00&#58;00    48410 a4 Bxe6 Bxe6 Nxe6+ fxe6 f7 Ng7 c3 a3 
 7  >  +1.49   00&#58;00    51342 a4 Bxe6 Bxe6 Nxe6+ fxe6 f7 Ng7 c3 a3 
 7     +1.33   00&#58;00    52761 a4 Bxe6 Bxe6 Nxe6+ fxe6 f7 Ng7 Rf2 Qe7 Qxe7+ Kxe7 
 8     +1.45   00&#58;00   112480 a4 Nxh5 axb3 Nf4 Qb6+ Kh1 Bxf6 Nxg6+ fxg6 Rxf6+ 
                              Nxf6 Qxf6+ Kg8 Qxg6+ Kf8 axb3 
 9  >  +1.82   00&#58;00   243502 a4 Nxh5 axb3 Nf4 Nxf6 Qh8+ Ke7 Qxa8 bxc2 Ne2 Bb5 
 9  <  +1.09   00&#58;00   254258 a4 Nxh5 axb3 Nf4 Nxf6 Nxg6+ fxg6 Rxf6+ Kg7 Rf2 
                              Rxa2 
 9     +1.66   00&#58;00   402750 a4 Nxh5 axb3 Nf4 Qc5+ Kh1 Nxf6 Qh8+ Ke7 Qxa8 bxc2 
                              Ne2 Bc6 Qb8 Bxe4 Rh3 Ng4 Rh7 Nf2+ Kg1 
10  <  +1.37   00&#58;00   430051 a4 Nxh5 axb3 Nf4 Qc5+ Kh1 Nxf6 Rxb3 Rxa2 Nd3 
10  >  +1.94   00&#58;00   628418 a4 Nxh5 gxh5 Qxh5 Bxf6 Qh6+ Ke7 
10     +1.58   00&#58;00   672925 a4 Bxe6 Bxe6 Nxe6+ fxe6 Qg5 Qf7 Qh6+ Kg8 Qd2 Rb8 
                              Qh6 Nxf6 
11  <  +1.37   00&#58;00   914840 a4 Bxe6 Bxe6 Nxe6+ fxe6 f7 Ng7 Qg5 Qxc2 Rdf3 Bxb2 
                              Qh6 Bd4+ Kh1 
11  <  +1.17   00&#58;00   939323 a4 Bxe6 Bxe6 Nxe6+ fxe6 f7 Ng7 Qg5 Qxc2 Rdf3 Bxb2 
                              Qh6 Bd4+ Kh1 
11  <  +0.77   00&#58;01    1039K a4 Nxg6+ fxg6 Qg5 Kf7 Qh6 Bxf6 Qh7+ Ng7 Rdf3 
11  <  -0.04   00&#58;01    1308K a4 Nxg6+ fxg6 Qg5 Kf7 Qh6 axb3 Qh7+ Kf8 Qe7+ 
11     +0.00   00&#58;01    2022K a4 Nxg6+ fxg6 Qg5 Kf7 Qh6 Qc5+ Kh1 Nxf6 Qh7+ Ke8 
                              Qh8+ Kf7 Qh7+ 
12     +0.00   00&#58;01    2221K a4 Nxg6+ fxg6 Qg5 Kf7 Qh6 Qc5+ Kh1 Nxf6 Qh7+ Ke8 
                              Qh8+ Kf7 Qh7+ 
13  >  +0.81   00&#58;01    3057K a4 Nxg6+ fxg6 Qg5 Kf7 Qh6 Nxf6 Qh7+ Ke8 Qxg6+ Ke7 
                              Qg7+ Kd8 Rxf6 Qc5+ Kf1 axb3 
13     +1.25   00&#58;01    3149K a4 Nxg6+ fxg6 Qg5 Kf7 Qh6 Nxf6 Qh7+ Ke8 Qh8+ Ke7 
                              Qxa8 axb3 Rxb3 Bb5 Rf2 Bd4 Rf3 Bxf2+ Rxf2 Bc6 Qh8 
                              Nxe4 
14     +1.21   00&#58;01    3627K a4 Nxg6+ fxg6 Qg5 Kf7 Qh6 Nxf6 Qh7+ Ke8 Qh8+ Ke7 
                              Qxa8 axb3 Rxb3 Bb5 Re1 Qxc2 Qb7+ Bd7 Qxb4 Ng4 Rf3 
                              Bxh2+ Kh1 
15     +1.37   00&#58;02    4810K a4 Bxe6 Bxe6 Nxe6+ fxe6 f7 Qc5+ Kh1 Nf6 Rdf3 Nh7 
                              c3 bxc3 bxc3 Rb8 Rd1 Qa3 Rf2 Qxc3 Rdf1 Nf6 Rxf6 
                              Bxf6 Rxf6 
16  <  +1.17   00&#58;02    5122K a4 Bxe6 Bxe6 Nxe6+ fxe6 f7 Qc5+ Kh1 Nf6 Rdf3 Nh7 
                              c3 bxc3 bxc3 Rb8 g4 Bxc3 gxh5 Ng5 Rxc3 Qxc3 Qxg5 
16     +1.49   00&#58;02    6523K a4 Nxg6+ fxg6 Qg5 Kf7 Qh6 Nxf6 Qh7+ Ke8 Qh8+ Ke7 
                              Qxa8 axb3 Rxb3 Bb5 Re1 Qxc2 Qb7+ Bd7 Rf1 Nxe4 
                              Rbf3 Bd4+ Kh1 Nf6 Qxb4 Qxb2 Qxb2 Bxb2 Rb3 
17  <  +1.29   00&#58;02    8178K a4 Bxe6 Bxe6 Nxe6+ fxe6 f7 Qc5+ Kh1 Nf6 Rdf3 Nh7 
                              c3 bxc3 bxc3 Rb8 g3 Bxc3 g4 Qg5 Qxg5 Nxg5 Rxc3 
                              Nxe4 Rc4 
17  >  +1.70   00&#58;02    9037K a4 Bxe6 Bxe6 Nxe6+ fxe6 f7 Qc5+ Kh1 Nf6 Rdf3 Nh7 
                              c3 bxc3 bxc3 Rb8 g3 Bxc3 g4 Qg5 Qxg5 Nxg5 Rxc3 
                              Nxe4 Rc4 Nd2 
17     +1.29   00&#58;03   11205K a4 Nxe6+ fxe6 Qg5 Kf7 Qh6 Nxf6 Qh7+ Ke8 Qh8+ Ke7 
                              Qxa8 axb3 Rxb3 Bb5 Re1 Qxc2 Qb7+ Bd7 Rf1 Ng4 Rbf3 
                              Bd4+ Kh1 Nf2+ Kg1 Nxe4+ Kh1 Nf2+ Kg1 Ng4+ Kh1 
                              Qxb2 Rf7+ 
18  <  +1.01   00&#58;03   14824K a4 Bxe6 Bxe6 Nxe6+ fxe6 f7 Qc5+ Kh1 Nf6 Rg3 Qxc2 
                              Rxg6 Qxb2 Qxh5 Nxh5 Rg8+ Ke7 Rxa8 Ng3+ hxg3 Bg7 
                              Ra7+ Kf8 Ra8+ 
18  >  +1.58   00&#58;04   16263K a4 Bxe6 Bxe6 Nxe6+ fxe6 f7 Qc5+ Kh1 Nf6 Rg3 Qxc2 
                              Rxg6 Qxb2 Qxh5 Ke7 Rg8 Rf8 Rxf8 Kxf8 Qh6+ Kxf7 
                              Qh7+ Ke8 
18     +1.41   00&#58;04   18633K a4 Nxg6+ fxg6 Qg5 Kf7 Qh6 Nxf6 Qh7+ Ke8 Qh8+ Ke7 
                              Qxa8 axb3 Rxb3 Bb5 Re1 Qxc2 Qb7+ Bd7 Rf1 Qxe4 
                              Rxb4 Qe2 
19     +1.58   00&#58;04   22431K a4 Nxg6+ fxg6 Qg5 Kf7 Qh6 Nxf6 Qh7+ Ke8 Qh8+ Ke7 
                              Qxa8 axb3 Rxb3 Bb5 Re1 Qxc2 Qb7+ Bd7 Qxb4 Bc6 Ra3 
                              Qxb2 Qxb2 Bxb2 Ra7+ Kd8 Rd1 Nxe4 
20  >  +1.82   00&#58;06   35863K a4 Nxg6+ fxg6 Qg5 Kf7 Qh6 Nxf6 Qh7+ Ke8 Qh8+ Ke7 
                              Qxa8 axb3 Rxb3 Bb5 Re1 Ng4 Kh1 Qc5 Rf3 Nf2+ Kg1 
                              Nd3+ Ree3 Bf4 
20  >  +2.06   00&#58;08   48202K a4 Nxg6+ fxg6 Qg5 Kf7 Qh6 Nxf6 Bxe6+ Kxe6 Qxg6 
                              Qxc2 
20  <  +1.33   00&#58;09   59124K a4 Qg5 Qc5+ Kh1 Bxf4 Qxc5 dxc5 Bc4 Bd6 e5 
20     +2.02   00&#58;11   69599K a4 Qg5 Bxf4 Rxf4 axb3 Qh6+ Kg8 Rg3 Bc6 Rxg6+ fxg6 
                              Qxg6+ Ng7 f7+ Kf8 Qh6 Qa7+ Kh1 Qxf7 cxb3 Rxa2 Kg1 
                              Bxe4 Rxf7+ Kxf7 Qf4+ Bf5 Qxd6 Rxb2 Qxb4 Ne8 Qb7+ 
                              Kg6 Qe7 Nf6 b4 Be4 
21  <  +1.49   00&#58;19  149839K a4 Rg3 Qc5+ Kh1 axb3 Nxg6+ fxg6 Rxg6 Qb5 Rg8+ 
                              Kxg8 Qg5+ Kf7 Qxh5+ Kf8 Qh6+ 
21  <  +0.97   00&#58;22  178479K a4 Rg3 
21  <  -0.08   00&#58;31  255440K a4 Rg3 Qa7+ Kh1 Qa6 Rff3 axb3 Nxg6+ fxg6 Rxg6 
                              bxa2 Rg8+ Kxg8 Qg5+ Kf8 Qh6+ Kf7 Qh7+ Kf8 Qe7+ 
                              Kg8 f7+ 
21     -1.54   01&#58;07  609171K a4 Rg3 Bb5 Bxe6 Qc5+ Rf2 Qd4 h3 Nxf6 c3 bxc3 bxc3 
                              g5 Rxg5 Qxc3 Bd5 Rc8 Kh2 Bc4 Rf5 Bxd5 exd5 Qe1 
                              Rxf6 Rc1 Qxh5 Qh1+ Kg3 Rc3+ Rf3 Bxf6 Qh6+ Ke7 Nd3 
21     -0.69   01&#58;10  634310K Bxf6 Nxg6+ Kg7 Rxf6 Nxf6 Nf4 Qc5+ Kh1 Qe5 Rg3+ 
                              Kf8 Nd3 Qd4 Rf3 a4 Bxe6 Bxe6 Qxf6 Qxf6 Rxf6 Ke7 
                              Rf3 b3 cxb3 axb3 a3 Rc8 h3 Rc4 Rf4 
22     -1.13   01&#58;20  711705K Bxf6 Nxg6+ Kg7 Rxf6 Nxf6 Nf4 Qc5+ Kh1 Qe5 Rg3+ 
                              Kf8 Nd3 Qd4 Rf3 a4 c3 bxc3 bxc3 Qxc3 Bd1 Ng4 Qxh5 
                              Qg7 h3 Ne5 Nxe5 dxe5 Qh4 Ke8 Rg3 Qf8 Qf6 Rb8 Rd3 
                              Rb1 Qxe5 Bc6 
22     +0.00   01&#58;29  790828K Bb5 Bxe6 Bxd3 cxd3 Qa7+ Kh1 Bxf6 Qg3 fxe6 Nxe6+ 
                              Ke7 Nf4 Kd7 Nd5 Qc5 b3 Kc6 Qxg6 Be5 Qf7 h4 Rf2 
                              Qc1+ Rf1 Qc5 
23     +0.00   01&#58;32  819458K Bb5 Bxe6 Bxd3 cxd3 Qa7+ Kh1 Bxf6 Qg3 fxe6 Nxe6+ 
                              Ke7 Nf4 Kd7 Nd5 Qc5 b3 Kc6 Qxg6 Be5 Qf7 h4 Rd1 
                              Qc2 Ne3 Qc5 Nd5 
24     +0.00   01&#58;37  857696K Bb5 Bxe6 Bxd3 cxd3 Qa7+ Kh1 Bxf6 Qg3 fxe6 Nxe6+ 
                              Ke7 Nf4 Kd7 Nd5 Qc5 b3 Kc6 Qxg6 Be5 Qf7 h4 Rd1 
                              Qc2 Ne3 Qc5 Nd5 

Nodes&#58; 902647683
Nodes/second&#58; 8753711
Best move&#58; Bb5
Ponder move&#58; Bxe6
jmartus
Posts: 256
Joined: Sun May 16, 2010 2:50 am

Re: Test Position

Post by jmartus »

FEN: r3nk2/2qb1p2/3ppPp1/p3b2p/1p2PN1Q/1B1R4/PPP3PP/5RK1 b - - 0 1

47 seconds on a AMD Athlon(tm) II X4 635 Processor 2892 MHz
IvanhoeB50kBx64p:
1 00:00 34 0 -1.74 Be5xf4 Qh4xf4 Qc7c5+ Kg1h1
1 00:00 152 0 -1.31 Ne8xf6 Nf4xg6+ f7xg6 Rf1xf6+ Kf8g7
1 00:00 195 0 -0.47 Be5xb2
1 00:00 236 0 -0.32 Qc7a7+ Kg1h1 Ne8xf6
1 00:00 255 0 -0.16 Qc7b6+ Kg1h1 Ne8xf6
1 00:00 288 0 -0.13 Qc7c5+ Qh4f2 Qc5xf2+ Rf1xf2 Ne8xf6
1 00:00 296 0 -0.13 Qc7c5+ Qh4f2 Qc5xf2+ Rf1xf2 Ne8xf6
2 00:00 342 0 -0.13 Qc7c5+ Qh4f2 Qc5xf2+ Rf1xf2 Ne8xf6
2 00:00 619 0 -0.08 Be5xb2 Nf4e2 Qc7c5+ Kg1h1
2 00:00 816 0 -0.08 Be5xb2 Nf4e2 Qc7c5+ Kg1h1
3 00:00 969 0 -0.08 Be5xb2 Nf4e2 Qc7c5+ Kg1h1
3 00:00 3,312 207,000 +0.20 a5a4 Bb3xe6 Qc7c5+ Kg1h1 Bd7xe6 Nf4xe6+ f7xe6
3 00:00 3,312 207,000 +0.20 a5a4 Bb3xe6 Qc7c5+ Kg1h1 Bd7xe6 Nf4xe6+ f7xe6
4 00:00 3,558 222,000 +0.20 a5a4 Bb3xe6 Qc7c5+ Kg1h1 Bd7xe6 Nf4xe6+ f7xe6
4 00:00 5,636 352,000 +0.29 Bd7b5 a2a4 Bb5xd3 Nf4xd3 Qc7b6+ Kg1h1
4 00:00 5,911 369,000 +0.29 Bd7b5 a2a4 Bb5xd3 Nf4xd3 Qc7b6+ Kg1h1
5 00:00 8,303 518,000 +0.15 Bd7b5 a2a4 Bb5xd3 Nf4xd3 Qc7b6+ Kg1h1 Ra8d8
5 00:00 9,199 574,000 +0.24 a5a4 Bb3xe6 Qc7c5+ Kg1h1 Bd7xe6 Nf4xe6+ f7xe6 f6f7 Ne8c7
5 00:00 15,863 991,000 +0.87 Qc7c5+ Qh4f2 Qc5xf2+ Rf1xf2 Ne8xf6 g2g3 a5a4 Bb3c4 Nf6xe4
5 00:00 15,956 997,000 +0.87 Qc7c5+ Qh4f2 Qc5xf2+ Rf1xf2 Ne8xf6 g2g3 a5a4 Bb3c4 Nf6xe4
6 00:00 16,507 1,031,000 +0.87 Qc7c5+ Qh4f2 Qc5xf2+ Rf1xf2 Ne8xf6 g2g3 a5a4 Bb3c4 Nf6xe4
6 00:00 16,813 1,050,000 +0.87 Qc7c5+ Qh4f2 Qc5xf2+ Rf1xf2 Ne8xf6 g2g3 a5a4 Bb3c4 Nf6xe4
7- 00:00 19,817 1,238,000 +0.79 Qc7c5+ Qh4f2 Qc5xf2+ Rf1xf2 Ne8xf6 g2g3 a5a4 Bb3c4 Nf6xe4
7- 00:00 23,110 745,000 +0.71 Qc7c5+ Qh4f2 Qc5xf2+ Rf1xf2 Ne8xf6 g2g3 a5a4 Bb3c4 Nf6xe4
7- 00:00 25,994 838,000 +0.41 Qc7c5+ Qh4f2 Qc5xf2+ Rf1xf2 Ne8xf6 g2g3 a5a4 Bb3c4 Nf6xe4
7 00:00 29,687 957,000 +0.59 Qc7c5+ Kg1h1 Be5xb2 Rd3d1 Bb2xf6 Nf4xg6+ Kf8g7 Rf1xf6 Ne8xf6 Rd1f1 Nf6g4
7 00:00 29,721 958,000 +0.59 Qc7c5+ Kg1h1 Be5xb2 Rd3d1 Bb2xf6 Nf4xg6+ Kf8g7 Rf1xf6 Ne8xf6 Rd1f1 Nf6g4
8- 00:00 40,129 853,000 +0.51 Qc7c5+ Kg1h1 Be5xb2 Rd3d1 Bb2xf6 Nf4xg6+ Kf8g7 Rf1xf6 Ne8xf6 Rd1f1 Nf6g4
8- 00:00 41,454 882,000 +0.43 Qc7c5+ Kg1h1 Be5xb2 Rd3d1 Bb2xf6 Nf4xg6+ Kf8g7 Rf1xf6 Ne8xf6 Rd1f1 Nf6g4
8+ 00:00 67,589 1,072,000 +0.67 Qc7c5+ Kg1h1 Be5xb2 Rd3d1 Bb2xf6 Nf4xg6+ Kf8g7 Rf1xf6 Ne8xf6 Rd1f1 Nf6g4
8 00:00 68,727 1,090,000 +0.66 Qc7c5+ Kg1h1 a5a4 Bb3xe6 Bd7xe6 Nf4xe6+ f7xe6 Qh4g5 Kf8f7 Qg5h6 Be5xf6 Rd3g3
8 00:00 68,761 1,091,000 +0.66 Qc7c5+ Kg1h1 a5a4 Bb3xe6 Bd7xe6 Nf4xe6+ f7xe6 Qh4g5 Kf8f7 Qg5h6 Be5xf6 Rd3g3
9- 00:00 224,344 2,058,000 +0.58 Qc7c5+ Kg1h1 a5a4 Bb3xe6 Bd7xe6 Nf4xe6+ f7xe6 Qh4g5 Kf8f7 Qg5h6 Be5xf6 Rd3g3
9+ 00:00 226,667 1,813,000 +0.74 a5a4 Bb3xe6 Qc7c5+ Kg1h1 Bd7xe6 Nf4xe6+ f7xe6 Qh4g5 Kf8f7 Qg5h6 Be5xf6 Rd3g3
9- 00:00 257,617 2,060,000 +0.50 a5a4 Bb3xe6 Qc7c5+ Kg1h1 Bd7xe6 Nf4xe6+ f7xe6 Qh4g5 Kf8f7 Qg5h6 Be5xf6 Rd3g3
9 00:00 258,162 2,065,000 +0.71 a5a4 Nf4xg6+ f7xg6 Qh4g5 Kf8f7 Qg5h6 Be5xf6 Qh6h7+ Kf7f8 Qh7h6+ Kf8e7 e4e5 Qc7c5+ Kg1h1 Bf6xe5
9 00:00 258,203 2,065,000 +0.71 a5a4 Nf4xg6+ f7xg6 Qh4g5 Kf8f7 Qg5h6 Be5xf6 Qh6h7+ Kf7f8 Qh7h6+ Kf8e7 e4e5 Qc7c5+ Kg1h1 Bf6xe5
10- 00:00 271,671 1,926,000 +0.63 a5a4 Nf4xg6+ f7xg6 Qh4g5 Kf8f7 Qg5h6 Be5xf6 Qh6h7+ Kf7f8 Qh7h6+ Kf8e7 e4e5 Qc7c5+ Kg1h1 Bf6xe5
10 00:00 293,764 1,883,000 +0.76 a5a4 Nf4xg6+ f7xg6 Qh4g5 Kf8f7 Qg5h6 Be5xf6 Qh6h7+ Kf7f8 Qh7h8+ Kf8e7 Rf1xf6 Ne8xf6 Qh8g7+ Ke7e8 Qg7h8+ Ke8f7 Qh8xa8 a4xb3 a2xb3 Qc7c5+ Kg1h1 Qc5xc2 Rd3xd6 Qc2xb2
10 00:00 293,881 1,883,000 +0.76 a5a4 Nf4xg6+ f7xg6 Qh4g5 Kf8f7 Qg5h6 Be5xf6 Qh6h7+ Kf7f8 Qh7h8+ Kf8e7 Rf1xf6 Ne8xf6 Qh8g7+ Ke7e8 Qg7h8+ Ke8f7 Qh8xa8 a4xb3 a2xb3 Qc7c5+ Kg1h1 Qc5xc2 Rd3xd6 Qc2xb2
11- 00:00 335,095 1,948,000 +0.68 a5a4 Nf4xg6+ f7xg6 Qh4g5 Kf8f7 Qg5h6 Be5xf6 Qh6h7+ Kf7f8 Qh7h8+ Kf8e7 Rf1xf6 Ne8xf6 Qh8g7+ Ke7e8 Qg7h8+ Ke8f7 Qh8xa8 a4xb3 a2xb3 Qc7c5+ Kg1h1 Qc5xc2 Rd3xd6 Qc2xb2
11- 00:00 360,605 1,928,000 +0.60 a5a4 Nf4xg6+ f7xg6 Qh4g5 Kf8f7 Qg5h6 Be5xf6 Qh6h7+ Kf7f8 Qh7h8+ Kf8e7 Rf1xf6 Ne8xf6 Qh8g7+ Ke7e8 Qg7h8+ Ke8f7 Qh8xa8 a4xb3 a2xb3 Qc7c5+ Kg1h1 Qc5xc2 Rd3xd6 Qc2xb2
11 00:00 407,186 2,005,000 +0.82 a5a4 Nf4xg6+ f7xg6 Qh4g5 Kf8f7 Qg5h6 Be5xf6 Qh6h7+ Kf7f8 e4e5 Qc7c5+ Kg1h1 Qc5xe5 Qh7xd7 a4xb3 Rd3xb3 Qe5e2 Rb3f3
11 00:00 407,232 2,006,000 +0.82 a5a4 Nf4xg6+ f7xg6 Qh4g5 Kf8f7 Qg5h6 Be5xf6 Qh6h7+ Kf7f8 e4e5 Qc7c5+ Kg1h1 Qc5xe5 Qh7xd7 a4xb3 Rd3xb3 Qe5e2 Rb3f3
12- 00:00 688,756 2,319,000 +0.74 a5a4 Nf4xg6+ f7xg6 Qh4g5 Kf8f7 Qg5h6 Be5xf6 Qh6h7+ Kf7f8 e4e5 Qc7c5+ Kg1h1 Qc5xe5 Qh7xd7 a4xb3 Rd3xb3 Qe5e2 Rb3f3
12- 00:00 798,596 2,328,000 +0.66 a5a4 Nf4xg6+ f7xg6 Qh4g5 Kf8f7 Qg5h6 Be5xf6 Qh6h7+ Kf7f8 e4e5 Qc7c5+ Kg1h1 Qc5xe5 Qh7xd7 a4xb3 Rd3xb3 Qe5e2 Rb3f3
12+ 00:00 1,102,499 1,643,000 +0.90 a5a4 Nf4xg6+ f7xg6 Qh4g5 Kf8f7 Qg5h6 Be5xf6 Qh6h7+ Kf7f8 e4e5 Qc7c5+ Kg1h1 Qc5xe5 Qh7xd7 a4xb3 Rd3xb3 Qe5e2 Rb3f3
12 00:00 1,154,728 1,680,000 +0.51 a5a4 Nf4xg6+ f7xg6 Qh4g5 Kf8f7 Qg5h6 Qc7a7+ Kg1h1 Ne8xf6 Qh6h7+ Kf7e8 Qh7xg6+ Ke8d8 Bb3xe6 Bd7xe6 Rf1xf6 Be5xf6 Qg6xf6+ Kd8d7 e4e5 d6d5 Qf6g7+ Kd7c6
12 00:00 1,232,622 1,716,000 +0.51 a5a4 Nf4xg6+ f7xg6 Qh4g5 Kf8f7 Qg5h6 Qc7a7+ Kg1h1 Ne8xf6 Qh6h7+ Kf7e8 Qh7xg6+ Ke8d8 Bb3xe6 Bd7xe6 Rf1xf6 Be5xf6 Qg6xf6+ Kd8d7 e4e5 d6d5 Qf6g7+ Kd7c6
13+ 00:00 1,575,423 1,942,000 +0.59 a5a4 Nf4xg6+ f7xg6 Qh4g5 Kf8f7 Qg5h6 Qc7a7+ Kg1h1 Ne8xf6 Qh6h7+ Kf7e8 Qh7xg6+ Ke8d8 Bb3xe6 Bd7xe6 Rf1xf6 Be5xf6 Qg6xf6+ Kd8d7 e4e5 d6d5 Qf6g7+ Kd7c6
13+ 00:00 1,625,105 1,965,000 +0.67 a5a4 Nf4xg6+ f7xg6 Qh4g5 Kf8f7 Qg5h6 Qc7a7+ Kg1h1 Ne8xf6 Qh6h7+ Kf7e8 Qh7xg6+ Ke8d8 Bb3xe6 Bd7xe6 Rf1xf6 Be5xf6 Qg6xf6+ Kd8d7 e4e5 d6d5 Qf6g7+ Kd7c6
13+ 00:01 2,178,127 2,287,000 +0.97 a5a4 Nf4xg6+ f7xg6 Qh4g5 Kf8f7 Qg5h6 Qc7a7+ Kg1h1 Ne8xf6 Qh6h7+ Kf7e8 Qh7xg6+ Ke8d8 Bb3xe6 Bd7xe6 Rf1xf6 Be5xf6 Qg6xf6+ Kd8d7 e4e5 d6d5 Qf6g7+ Kd7c6
13 00:01 2,593,826 2,482,000 +1.01 a5a4 Bb3xe6 Bd7xe6 Nf4xe6+ f7xe6 f6f7 Qc7c5+ Kg1h1 Ne8c7 Rd3d1 Qc5e3 c2c3 b4xc3 b2xc3 Nc7b5 c3c4 Nb5c3 Rd1e1
13 00:01 2,617,234 2,466,000 +1.01 a5a4 Bb3xe6 Bd7xe6 Nf4xe6+ f7xe6 f6f7 Qc7c5+ Kg1h1 Ne8c7 Rd3d1 Qc5e3 c2c3 b4xc3 b2xc3 Nc7b5 c3c4 Nb5c3 Rd1e1
14- 00:01 3,089,282 2,604,000 +0.93 a5a4 Bb3xe6 Bd7xe6 Nf4xe6+ f7xe6 f6f7 Qc7c5+ Kg1h1 Ne8c7 Rd3d1 Qc5e3 c2c4 b4xc3/ep b2xc3 Nc7b5 c3c4 Nb5c3 Rd1e1 Nc3e2 Re1b1
14- 00:01 3,235,699 2,592,000 +0.85 a5a4 Bb3xe6 Bd7xe6 Nf4xe6+ f7xe6 f6f7 Qc7c5+ Kg1h1 Ne8c7 Rd3d1 Qc5e3 c2c4 b4xc3/ep b2xc3 Nc7b5 c3c4 Nb5c3 Rd1e1 Nc3e2 Re1b1
14- 00:01 4,713,327 2,932,000 +0.55 a5a4 Bb3xe6 Bd7xe6 Nf4xe6+ f7xe6 f6f7 Qc7c5+ Kg1h1 Ne8c7 Rd3d1 Qc5e3 c2c4 b4xc3/ep b2xc3 Nc7b5 c3c4 Nb5c3 Rd1e1 Nc3e2 Re1b1
14 00:01 5,109,303 3,003,000 +0.82 a5a4 Bb3xe6 Bd7xe6 Nf4xe6+ f7xe6 f6f7 Qc7c5+ Kg1h1 Ne8f6 Rd3f3 Nf6h7 c2c3 Qc5c4 c3xb4 Qc4xa2 Rf3f2 Ra8c8 Rf1d1 Be5xb2 e4e5
14 00:01 5,109,389 2,977,000 +0.82 a5a4 Bb3xe6 Bd7xe6 Nf4xe6+ f7xe6 f6f7 Qc7c5+ Kg1h1 Ne8f6 Rd3f3 Nf6h7 c2c3 Qc5c4 c3xb4 Qc4xa2 Rf3f2 Ra8c8 Rf1d1 Be5xb2 e4e5
15+ 00:02 6,839,484 3,346,000 +0.90 a5a4 Bb3xe6 Bd7xe6 Nf4xe6+ f7xe6 f6f7 Qc7c5+ Kg1h1 Ne8f6 Rd3f3 Nf6h7 c2c3 Qc5c4 c3xb4 Qc4xa2 Rf3f2 Ra8c8 Rf1d1 Be5xb2 e4e5
15+ 00:02 7,382,138 3,428,000 +0.98 a5a4 Bb3xe6 Bd7xe6 Nf4xe6+ f7xe6 f6f7 Qc7c5+ Kg1h1 Ne8f6 Rd3f3 Nf6h7 c2c3 Qc5c4 c3xb4 Qc4xa2 Rf3f2 Ra8c8 Rf1d1 Be5xb2 e4e5
15- 00:02 9,740,819 3,568,000 +0.74 a5a4 Bb3xe6 Bd7xe6 Nf4xe6+ f7xe6 f6f7 Qc7c5+ Kg1h1 Ne8f6 Rd3f3 Nf6h7 c2c3 Qc5c4 c3xb4 Qc4xa2 Rf3f2 Ra8c8 Rf1d1 Be5xb2 e4e5
15 00:02 9,969,132 3,569,000 +0.90 a5a4 Nf4xg6+ f7xg6 Qh4g5 Kf8f7 Qg5h6 Ne8xf6 Qh6h7+ Kf7e8 Qh7h8+ Ke8e7 Qh8xa8 a4xb3 Rd3xb3 Qc7xc2 Kg1h1 Qc2e2 Rb3f3 Qe2xb2 Qa8h8 Bd7e8 Qh8g7+ Be8f7 Rf3f2 Qb2d4 Rf2c2
15 00:02 9,969,176 3,569,000 +0.90 a5a4 Nf4xg6+ f7xg6 Qh4g5 Kf8f7 Qg5h6 Ne8xf6 Qh6h7+ Kf7e8 Qh7h8+ Ke8e7 Qh8xa8 a4xb3 Rd3xb3 Qc7xc2 Kg1h1 Qc2e2 Rb3f3 Qe2xb2 Qa8h8 Bd7e8 Qh8g7+ Be8f7 Rf3f2 Qb2d4 Rf2c2
16- 00:03 10,979,124 3,590,000 +0.82 a5a4 Nf4xg6+ f7xg6 Qh4g5 Kf8f7 Qg5h6 Ne8xf6 Qh6h7+ Kf7e8 Qh7h8+ Ke8e7 Qh8xa8 a4xb3 Rd3xb3 Qc7xc2 Kg1h1 Qc2e2 Rb3f3 Qe2xb2 Qa8h8 Bd7e8 Qh8g7+ Be8f7 Rf3f2 Qb2d4 Rf2c2
16- 00:03 11,578,230 3,602,000 +0.74 a5a4 Nf4xg6+ f7xg6 Qh4g5 Kf8f7 Qg5h6 Ne8xf6 Qh6h7+ Kf7e8 Qh7h8+ Ke8e7 Qh8xa8 a4xb3 Rd3xb3 Qc7xc2 Kg1h1 Qc2e2 Rb3f3 Qe2xb2 Qa8h8 Bd7e8 Qh8g7+ Be8f7 Rf3f2 Qb2d4 Rf2c2
16- 00:03 13,478,392 3,630,000 +0.62 a5a4 Nf4xg6+ f7xg6 Qh4g5 Kf8f7 Qg5h6 Ne8xf6 Qh6h7+ Kf7e8 Qh7h8+ Ke8e7 Qh8xa8 a4xb3 Rd3xb3 Qc7xc2 Kg1h1 Qc2e2 Rb3f3 Qe2xb2 Qa8h8 Bd7e8 Qh8g7+ Be8f7 Rf3f2 Qb2d4 Rf2c2
16 00:03 14,319,941 3,671,000 +0.83 a5a4 Nf4xg6+ f7xg6 Qh4g5 Kf8f7 Qg5h6 Ne8xf6 Qh6h7+ Kf7e8 Qh7h8+ Ke8e7 Qh8xa8 a4xb3 Rd3xb3 Qc7xc2 Kg1h1 Qc2e2 Rb3f3 Qe2xe4 Qa8xe4 Nf6xe4 Rf3f7+ Ke7d8 b2b3 Kd8c7 g2g3 d6d5 Kh1g2 Kc7d6
16 00:03 14,319,982 3,671,000 +0.83 a5a4 Nf4xg6+ f7xg6 Qh4g5 Kf8f7 Qg5h6 Ne8xf6 Qh6h7+ Kf7e8 Qh7h8+ Ke8e7 Qh8xa8 a4xb3 Rd3xb3 Qc7xc2 Kg1h1 Qc2e2 Rb3f3 Qe2xe4 Qa8xe4 Nf6xe4 Rf3f7+ Ke7d8 b2b3 Kd8c7 g2g3 d6d5 Kh1g2 Kc7d6
17- 00:04 15,564,628 3,708,000 +0.75 a5a4 Nf4xg6+ f7xg6 Qh4g5 Kf8f7 Qg5h6 Ne8xf6 Qh6h7+ Kf7e8 Qh7h8+ Ke8e7 Qh8xa8 a4xb3 Rd3xb3 Qc7xc2 Kg1h1 Qc2e2 Rb3f3 Qe2xe4 Qa8xe4 Nf6xe4 Rf3f7+ Ke7d8 b2b3 Kd8c7 g2g3 d6d5 Kh1g2 Kc7d6
17+ 00:04 18,273,742 3,878,000 +0.91 a5a4 Nf4xg6+ f7xg6 Qh4g5 Kf8f7 Qg5h6 Ne8xf6 Qh6h7+ Kf7e8 Qh7h8+ Ke8e7 Qh8xa8 a4xb3 Rd3xb3 Qc7xc2 Kg1h1 Qc2e2 Rb3f3 Qe2xe4 Qa8xe4 Nf6xe4 Rf3f7+ Ke7d8 b2b3 Kd8c7 Rf7h7 Be5f6 Rf1c1+ Ne4c3 Rc1f1 Bf6d4 Rf1f7
17 00:04 18,326,831 3,877,000 +0.91 a5a4 Nf4xg6+ f7xg6 Qh4g5 Kf8f7 Qg5h6 Ne8xf6 Qh6h7+ Kf7e8 Qh7h8+ Ke8e7 Qh8xa8 a4xb3 Rd3xb3 Qc7xc2 Kg1h1 Qc2e2 Rb3f3 Qe2xe4 Qa8xe4 Nf6xe4 Rf3f7+ Ke7d8 b2b3 Ne4c3 Rf7h7 Bd7e8 Rh7a7 Be5d4 Ra7b7 Nc3xa2
17 00:04 18,326,873 3,877,000 +0.91 a5a4 Nf4xg6+ f7xg6 Qh4g5 Kf8f7 Qg5h6 Ne8xf6 Qh6h7+ Kf7e8 Qh7h8+ Ke8e7 Qh8xa8 a4xb3 Rd3xb3 Qc7xc2 Kg1h1 Qc2e2 Rb3f3 Qe2xe4 Qa8xe4 Nf6xe4 Rf3f7+ Ke7d8 b2b3 Ne4c3 Rf7h7 Bd7e8 Rh7a7 Be5d4 Ra7b7 Nc3xa2
18- 00:07 35,218,338 4,443,000 +0.83 a5a4 Nf4xg6+ f7xg6 Qh4g5 Kf8f7 Qg5h6 Ne8xf6 Qh6h7+ Kf7e8 Qh7h8+ Ke8e7 Qh8xa8 a4xb3 Rd3xb3 Qc7xc2 Kg1h1 Qc2e2 Rb3f3 Qe2xe4 Qa8xe4 Nf6xe4 Rf3f7+ Ke7d8 b2b3 Ne4c3 Rf7h7 Bd7e8 Rf1f2 Be5d4 Rf2f4 e6e5 Rf4f6
18- 00:08 37,713,165 4,452,000 +0.75 a5a4 Nf4xg6+ f7xg6 Qh4g5 Kf8f7 Qg5h6 Ne8xf6 Qh6h7+ Kf7e8 Qh7h8+ Ke8e7 Qh8xa8 a4xb3 Rd3xb3 Qc7xc2 Kg1h1 Qc2e2 Rb3f3 Qe2xe4 Qa8xe4 Nf6xe4 Rf3f7+ Ke7d8 b2b3 Ne4c3 Rf7h7 Bd7e8 Rf1f2 Be5d4 Rf2f4 e6e5 Rf4f6
18- 00:17 82,230,584 4,744,000 +0.18 a5a4 Nf4xg6+ f7xg6 Qh4g5 Kf8f7 Qg5h6 Ne8xf6 Qh6h7+ Kf7e8 Qh7h8+ Ke8e7 Qh8xa8 a4xb3 Rd3xb3 Qc7xc2 Kg1h1 Qc2e2 Rb3f3 Qe2xe4 Qa8xe4 Nf6xe4 Rf3f7+ Ke7d8 b2b3 Ne4c3 Rf7h7 Bd7e8 Rf1f2 Be5d4 Rf2f4 e6e5 Rf4f6
18 00:19 92,322,245 4,807,000 +0.04 a5a4 Bb3xe6 Bd7xe6 Nf4xe6+ f7xe6 f6f7 Qc7a7+ Kg1h1 Ne8f6 Rf1xf6 Be5xf6 Qh4xf6 Qa7xf7 Qf6xf7+ Kf8xf7 Rd3xd6 Ra8c8 Rd6d2 Kf7f6 b2b3 a4xb3 a2xb3 Kf6e5 Rd2e2 Rc8d8 g2g3 Rd8d4 Kh1g2 Rd4xe4 Re2d2 Re4e3 Kg2f2 Re3c3
18 00:23 112,681,200 4,831,000 +0.04 a5a4 Bb3xe6 Bd7xe6 Nf4xe6+ f7xe6 f6f7 Qc7a7+ Kg1h1 Ne8f6 Rf1xf6 Be5xf6 Qh4xf6 Qa7xf7 Qf6xf7+ Kf8xf7 Rd3xd6 Ra8c8 Rd6d2 Kf7f6 b2b3 a4xb3 a2xb3 Kf6e5 Rd2e2 Rc8d8 g2g3 Rd8d4 Kh1g2 Rd4xe4 Re2d2 Re4e3 Kg2f2 Re3c3
19+ 00:28 140,232,437 4,933,000 +0.12 a5a4 Bb3xe6 Bd7xe6 Nf4xe6+ f7xe6 f6f7 Qc7a7+ Kg1h1 Ne8f6 Rf1xf6 Be5xf6 Qh4xf6 Qa7xf7 Qf6xf7+ Kf8xf7 Rd3xd6 Ra8c8 Rd6d2 Kf7f6 Kh1g1 Kf6e5 Rd2e2 Rc8c4 b2b3 a4xb3 c2xb3 Rc4xe4 Re2c2 Re4e3 Kg1f2 Re3d3 h2h4 Rd3c3 Rc2e2+ Ke5f5
19 00:42 216,356,324 5,138,000 0.00 a5a4 Rd3g3 Qc7b6+ Kg1h1 Qb6a6 Rf1f2 a4xb3 Rg3xg6 b3xa2 Rg6g8+ Kf8xg8 Qh4g5+ Kg8h7 Qg5xh5+ Kh7g8 Qh5g5+ Kg8h7 Qg5h4+ Kh7g8 Qh4g5+
19+ 00:47 244,323,437 5,168,000 +0.20 Bd7b5 a2a4 Bb5xd3 Nf4xd3 Qc7b6+ Kg1h1 Ra8d8
19 00:52 274,528,625 5,221,000 +0.04 Bd7b5 Bb3xe6 Bb5xd3 c2xd3 Qc7a7+ Kg1h1 Be5xf6 Qh4g3 f7xe6 Nf4xe6+ Kf8e7 Ne6f4 Ke7d7 Qg3h3+ Kd7d8 Nf4e6+ Kd8e7 Ne6f4 Ra8b8 Nf4xg6+ Ke7d8 Qh3xh5 b4b3 a2xb3 Rb8xb3 Qh5d5 Rb3xb2 e4e5 Bf6e7 Ng6xe7 Qa7xe7 e5xd6 Qe7xd6 Qd5a8+ Qd6b8 Qa8xa5+ Qb8c7 Qa5d5+ Qc7d6
19 00:56 295,441,519 5,198,000 +0.04 Bd7b5 Bb3xe6 Bb5xd3 c2xd3 Qc7a7+ Kg1h1 Be5xf6 Qh4g3 f7xe6 Nf4xe6+ Kf8e7 Ne6f4 Ke7d7 Qg3h3+ Kd7d8 Nf4e6+ Kd8e7 Ne6f4 Ra8b8 Nf4xg6+ Ke7d8 Qh3xh5 b4b3 a2xb3 Rb8xb3 Qh5d5 Rb3xb2 e4e5 Bf6e7 Ng6xe7 Qa7xe7 e5xd6 Qe7xd6 Qd5a8+ Qd6b8 Qa8xa5+ Qb8c7 Qa5d5+ Qc7d6
20 01:04 337,482,880 5,255,000 0.00 Bd7b5 Bb3xe6 Bb5xd3 c2xd3 Qc7a7+ Kg1h1 Be5xf6 Qh4g3 f7xe6 Nf4xe6+ Kf8e7 Ne6f4 Ke7d7 Qg3h3+ Kd7d8 Nf4e6+ Kd8e7 Ne6f4 Ke7d8
20 01:06 348,504,358 5,252,000 0.00 Bd7b5 Bb3xe6 Bb5xd3 c2xd3 Qc7a7+ Kg1h1 Be5xf6 Qh4g3 f7xe6 Nf4xe6+ Kf8e7 Ne6f4 Ke7d7 Qg3h3+ Kd7d8 Nf4e6+ Kd8e7 Ne6f4 Ke7d8
jmartus
Posts: 256
Joined: Sun May 16, 2010 2:50 am

Re: Test Position

Post by jmartus »

FEN: r3nk2/2qb1p2/3ppPp1/p3b2p/1p2PN1Q/1B1R4/PPP3PP/5RK1 b - - 0 1
18 seconds for Houdini 1.5 AMD Athlon(tm) II X4 635 Processor 2892 MHz
Houdini_15_x64:
FEN: r3nk2/2qb1p2/3ppPp1/p3b2p/1p2PN1Q/1B1R4/PPP3PP/5RK1 b - - 0 1

Houdini_15_x64:
16/56 00:12 67,369,429 5,572,000 0.00 a5a4 Rd3g3 Qc7b6+ Kg1h1 Qb6a6 Rf1f2 a4xb3 Nf4xg6+ f7xg6 Rg3xg6 Qa6e2 Rf2xe2 b3xa2 Re2e1 a2a1Q Rg6h6 Ne8xf6 Rh6xf6+ Be5xf6 Qh4xf6+ Kf8e8 Re1f1 Bd7c8 e4e5 Qa1a6 Qf6f8+ Ke8d7 Rf1f7+ Kd7c6 Qf8xd6+ Kc6b5 c2c4+ b4xc3/ep Qd6d3+ Kb5a5 Qd3xc3+ Ka5b5 Qc3d3+ Kb5c6 Qd3d6+ Kc6b5 Qd6d3+ Kb5c6
17/58- 00:18 104,144,022 5,661,000 -0.06 a5a4 Rd3g3
17/58 00:23 132,568,937 5,735,000 0.00 Bd7b5 Kg1h1 Bb5xd3 Nf4xd3 a5a4 Bb3xe6 f7xe6 f6f7 Ne8g7 Qh4g5 Qc7c4 Qg5h6 Kf8e7 Qh6g5+ Ke7f8 Qg5h6
18/58 00:25 147,635,438 5,736,000 0.00 Bd7b5 Kg1h1 Bb5xd3 Nf4xd3 a5a4 Bb3xe6 f7xe6 f6f7 Ne8g7 Qh4g5 Qc7c4 Qg5h6 Kf8e7 Qh6g5+ Ke7f8 Qg5h6
19/58 00:38 222,519,609 5,849,000 0.00 Bd7b5 Kg1h1 Bb5xd3 Nf4xd3 a5a4 Bb3xe6 f7xe6 f6f7 Ne8g7 Qh4g5 Qc7c4 Qg5h6 Kf8e7 Qh6g5+ Ke7f8 Qg5h6
20/58 00:55 327,522,630 5,930,000 0.00 Bd7b5 Kg1h1 Bb5xd3 Nf4xd3 a5a4 Bb3xe6 f7xe6 f6f7 Ne8g7 Qh4g5 Qc7c4 Qg5h6 Kf8e7 Qh6g5+ Ke7f8 Qg5h6
20/58 01:25 516,091,144 6,010,000 0.00 Bd7b5 Kg1h1 Bb5xd3 Nf4xd3 a5a4 Bb3xe6 f7xe6 f6f7 Ne8g7 Qh4g5 Qc7c4 Qg5h6 Kf8e7 Qh6g5+ Ke7f8 Qg5h6
User avatar
Eelco de Groot
Posts: 4561
Joined: Sun Mar 12, 2006 2:40 am
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Re: Test Position

Post by Eelco de Groot »

zullil wrote:
JWorcester wrote:[d] r3nk2/2qb1p2/3ppPp1/p3b2p/1p2PN1Q/1B1R4/PPP3PP/5RK1 b - -

Here's a position that arose from a match between Houdini 1.5 and Rybka 4 at 20/10 on my i7.

Rybka takes quite awhile to see that a4 in this position is losing to Rg3. How long does your fav engine take to see that a4 is losing and that it needs to play something else?
Stockfish-2.0 (16 threads) takes about 30 seconds:
This is single threaded "old" Stockfish 2.0, my own compile so it is not as fast as Jim Ablett's compile, you can see there is quite a difference if Stockfish is running on a smaller system, 256 Mb hashtables means that if the engine has to replace entries, then iterative deepening, Stockfish's strong suit, is not so efficient anymore and the chances of finding Rg3 diminish, because the nullwindow searches become less accurate (too deep searches, with not all hashtable entries still present).


r3nk2/2qb1p2/3ppPp1/p3b2p/1p2PN1Q/1B1R4/PPP3PP/5RK1 b - -

Engine: Rainbow Serpent 2.0 {really Stockfish 2.0.0, 32-bit, own compile, Build 000} (Athlon 2009 MHz, 256 MB)
by Romstad, Costalba, Kiiski

1/01 0:00 -0.08 1...Qc5+ (12.881) 51

2/03 0:00 -0.08 1...Qc5+ 2.Kh1 Bxb2 (12.987) 51

2/02 0:00 +0.04 1...Bxb2 2.Kh1 (13.465) 53

3/03 0:00 +0.08 1...Bxb2 2.Kh1 Be5 (14.613) 54

3/04 0:00 +0.16 1...Qc5+ 2.Kh1 Bxb2 3.Ne2 (15.987) 60

3/09 0:00 +0.52 1...a4 2.Bxe6 Qc5+ 3.Qf2 Bxe6 4.Qxc5 dxc5
5.Nxe6+ fxe6 (17.949) 67

4/09 0:00 +0.52 1...a4 2.Bxe6 Qc5+ 3.Qf2 Bxe6 4.Qxc5 dxc5
5.Nxe6+ fxe6 (18.656) 70

5/09 0:00 +0.52 1...a4 2.Bxe6 Qc5+ 3.Qf2 Bxe6 4.Qxc5 dxc5
5.Nxe6+ fxe6 (19.698) 74

6/09 0:00 +0.60++ 1...a4 2.Bxe6 Qc5+ 3.Qf2 Bxe6 4.Qxc5 dxc5
5.Nxe6+ fxe6 (25.257) 89

6/09 0:00 +0.68++ 1...a4 2.Bxe6 Qc5+ 3.Qf2 Bxe6 4.Qxc5 dxc5
5.Nxe6+ fxe6 (25.653) 90

6/09 0:00 +0.84++ 1...a4 2.Bxe6 Qc5+ 3.Qf2 Bxe6 4.Qxc5 dxc5
5.Nxe6+ fxe6 (26.613) 94

6/13 0:00 +0.80 1...a4 2.Bxe6 Qc5+ 3.Kh1 Bxe6
4.Nxe6+ fxe6 5.f7 Nc7 6.c3 bxc3
7.bxc3 Bxc3 (27.615) 97

7/11 0:00 +1.09++ 1...a4 2.Bxe6 Qc5+ 3.Kh1 Bxe6
4.Nxe6+ fxe6 5.f7 Nc7 6.c3 Qc4 (32.360) 108

7/13 0:00 +0.80 1...a4 2.Bxe6 Qc5+ 3.Kh1 Bxe6
4.Nxe6+ fxe6 5.f7 Nc7 6.c3 bxc3
7.bxc3 Bxc3 (33.303) 112

8/13 0:00 +0.96++ 1...a4 2.Bxe6 Qc5+ 3.Kh1 Bxe6
4.Nxe6+ fxe6 5.f7 Nc7 6.c3 bxc3
7.bxc3 Qc4 (42.222) 134

8/11 0:00 +1.13++ 1...a4 2.Bxe6 Qc5+ 3.Kh1 Bxe6
4.Nxe6+ fxe6 5.f7 Nc7 6.c3 Qb5 (43.752) 133

8/11 0:00 +1.17 1...a4 2.Bxe6 Qc5+ 3.Kh1 Bxe6
4.Nxe6+ fxe6 5.Qg5 Kf7 6.Qh6 Bxf6 (50.104) 145

9/11 0:00 +1.53++ 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6 4.f7 Ng7
5.Rdf3 Qxc2 6.R3f2 Bd4 (74.004) 189

9/14 0:00 +0.88 1...a4 2.Nxh5 Qc5+ 3.Kh1 axb3 4.Nf4 Bxf6
5.Nxg6+ fxg6 6.Rxf6+ Kg7 7.Rf1 bxc2
8.Rh3 (132.153) 264

10/11 0:00 +1.37++ 1...a4 2.Nxh5 Qc5+ 3.Kh1 axb3 4.Nf4 Nxf6
5.Qh8+ Ke7 6.Qxa8 bxc2 (180.303) 295

10/09 0:00 +1.85++ 1...a4 2.Nxh5 axb3 3.Nf4 Nxf6 4.Qh8+ Ke7
5.Qxa8 bxc2 (209.739) 319

10/15 0:00 +2.02 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6 4.f7 Ng7
5.Rdf3 Qxc2 6.b3 Qxa2 7.bxa4 Bd4+
8.Kh1 Qxa4 (297.743) 359

11/16 0:01 +0.72-- 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6 4.f7 Ng7
5.Qg5 Qc5+ 6.Kh1 Qxc2 7.Rdf3 Qxb2
8.Qxg6 Qxa2 9.Qh7 (462.344) 399

11/14 0:02 +1.69 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6
4.Qg5 Qf7 5.Rdf3 Kg8 6.a3 bxa3
7.bxa3 Rc8 8.R1f2 (895.051) 440

12/18 0:02 +0.80-- 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6 4.f7 Qc5+
5.Kh1 Nf6 6.Rdf3 Ng4 7.Qg5 Nxh2
8.Qxg6 Nxf3 9.Qg8+ Ke7 10.Qxa8 (1.148.277) 453

12/12 0:03 -0.08-- 1...a4 2.Nxg6+ fxg6 3.Qg5 Kf7 4.Qh6 Qc5+
5.Kh1 Bxf6 6.Qh7+ Ng7 7.Rdf3 (1.643.945) 469

12/14 0:06 0.00 1...a4 2.Nxg6+ fxg6 3.Qg5 Kf7 4.Qh6 Qa7+
5.Kh1 Nxf6 6.Qh7+ Ke8 7.Qh8+ Kf7
8.Qh7+ (3.089.167) 471

13/26 0:07 +0.40 1...a4 2.Nxg6+ fxg6 3.Qg5 Kf7 4.Qh6 Qa7+
5.Kh1 Nxf6 6.Qh7+ Ke8 7.Qxg6+ Kd8
8.Bc4 Rc8 9.Rxf6 Rxc4 10.Rf7 Qc5
11.Qh7 Qc6 12.Rf8+ Be8 13.Qf7 Rxc2
14.Qxe6 (3.527.826) 476

14/24 0:09 +0.52 1...a4 2.Nxg6+ fxg6 3.Qg5 Kf7 4.Qh6 Qa7+
5.Kh1 Nxf6 6.Qh7+ Ke8 7.Qxg6+ Kd8
8.Bc4 Ng4 9.Rdf3 Bxb2 10.Bxe6 Ne5
11.Rf8+ Kc7 12.Qh7 Rxf8 13.Rxf8 (4.516.184) 481

15/23 0:11 +0.68 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6 4.f7 Qc5+
5.Kh1 Nf6 6.Rdf3 Nh7 7.c3 Qc7 8.cxb4 Qd8
9.Qe1 Ng5 10.R3f2 Ra7 11.Qd2 Rxf7
12.Rxf7+ Nxf7 (5.584.283) 484

16/23 0:14 +0.92++ 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6 4.f7 Qc5+
5.Kh1 Nf6 6.Rdf3 Nh7 7.c3 Qc7 8.cxb4 Qe7
9.Qe1 Ng5 10.R3f2 Qb7 11.Qd2 Nxe4
12.Qh6+ Bg7 (7.249.746) 487

16/21 0:15 +1.17++ 1...a4 2.Nxg6+ fxg6 3.Qg5 Kf7 4.Qh6 Nxf6
5.Qh7+ Ke8 6.Qxg6+ Kd8 7.Rxf6 Qa7+
8.Kh1 axb3 9.Rxb3 Bxf6 10.Qxf6+ Kc7
11.Rxb4 Qc5 (7.835.499) 490

16/24 0:17 +1.49 1...a4 2.Nxg6+ fxg6 3.Qg5 Kf7 4.Qh6 Nxf6
5.Qh7+ Ke8 6.Qh8+ Ke7 7.Qxa8 axb3
8.Rxb3 Bb5 9.Re1 Qxc2 10.Qb7+ Bd7
11.Qxb4 Ng4 12.Rf3 Bxh2+ 13.Kf1 (8.594.444) 494

17/20 0:26 +0.60-- 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6 4.f7 Qc5+
5.Kh1 Nf6 6.Rg3 Qxc2 7.Rxg6 Qxb2
8.Qg5 Kxf7 9.Rg7+ Ke8 10.Qh6 Kd8
11.Rf7 (13.365.769) 504

17/31 0:33 +0.92 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6 4.f7 Qc5+
5.Kh1 Nf6 6.Rg3 Qd4 7.Rxg6 Ke7 8.Qg5 Rf8
9.c3 bxc3 10.bxc3 Qxc3 11.Rg8 Rxf7
12.Ra8 Qc7 13.Rxa4 Qb7 14.Rc4 Kd8 (17.057.688) 506

18/35 0:47 +1.17 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6 4.f7 Qc5+
5.Kh1 Nf6 6.Rg3 Qd4 7.Rxg6 Ke7 8.c3 bxc3
9.bxc3 Qxc3 10.f8R Rxf8 11.Rg7+ Rf7
12.Rxf7+ Kxf7 13.Qxh5+ Ke7 14.Qh6 Qb2 (24.362.860) 513

19/28 0:53 +0.64-- 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6 4.f7 Qc5+
5.Kh1 Nf6 6.Rg3 Qd4 7.Rxg6 Ke7 8.c3 bxc3
9.bxc3 Qxc3 10.Qg5 Rf8 11.Rc1 Qb2
12.Rxf6 Bxf6 13.Rc7+ Kd8 14.Qa5 Qxa2 (27.721.075) 516

19/28 1:06 +0.12-- 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6 4.f7 Qc5+
5.Kh1 Nf6 6.Rg3 Qd4 7.Rxg6 Ke7 8.c3 bxc3
9.bxc3 Qxc3 10.Qg5 Rf8 11.Rc1 Qb2
12.Rxf6 Bxf6 13.Rc7+ Kd8 14.Qa5 Qxa2 (34.325.037) 515

19/30 1:49 +1.33 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6 4.f7 Nf6
5.Rxf6 b3 6.axb3 Qd8 7.Rf4 g5 8.Qxh5 gxf4
9.Qh6+ Kxf7 10.Qh5+ Kg7 11.Qg4+ Kf8
12.Qxe6 Qf6 13.Rxd6 Qxe6 14.Rxe6 Bxb2 (56.598.769) 516

20/22 2:29 +1.05-- 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6 4.f7 Nf6
5.Rxf6 b3 6.cxb3 Qd8 7.Rdf3 axb3
8.a4 Bxb2 9.Qg5 Bxf6 10.Rxf6 Qb6+
11.Kh1 Rxa4 12.Qh6+ (78.741.813) 527

20/39 2:44 +0.92 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6 4.f7 Nf6
5.Rxf6 b3 6.cxb3 Qd8 7.Rdf3 axb3
8.a4 Rxa4 9.Qg5 Qb6+ 10.Kh1 Bxf6
11.Qh6+ Kxf7 12.Qh7+ Ke8 13.Qxg6+ Kd7
14.Qxf6 Ra1+ (86.546.071) 525

21/22 3:58 +0.44-- 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6 4.f7 Nf6
5.Rxf6 b3 6.Rf1 Qxc2 7.Rdf3 bxa2
8.Qg5 Qxb2 9.Qh6+ Bg7 10.Qh7 a1Q
11.Qg8+ Ke7 12.Qxa8 (126.656.139) 531

21/30 5:18 +0.36 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6 4.f7 Qb6+
5.Kh1 Nf6 6.Rxf6 Qd8 7.Rdf3 Bxf6
8.Rxf6 b3 9.Qf4 bxa2 10.Qh6+ Ke7
11.Rf1 Kd7 12.Qe3 Qc7 13.Qd4 e5
14.Qd5 Rf8 (167.605.437) 526

22/36 6:49 0.00 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6 4.f7 Qb6+
5.Kh1 Nf6 6.Rxf6 Qd8 7.Rdf3 Bxf6
8.Rxf6 b3 9.Qf4 bxa2 10.Qh6+ Ke7
11.Rf1 Qh8 12.Qg5+ Kf8 13.Qxg6 a3
14.Qxe6 axb2 (214.828.459) 524

23/36 8:41 0.00 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6 4.f7 Qb6+
5.Kh1 Nf6 6.Rxf6 Qd8 7.Rdf3 Bxf6
8.Rxf6 b3 9.Qf4 bxa2 10.Qh6+ Ke7
11.Rf1 Qh8 12.Qg5+ Kf8 13.Qxg6 a3
14.Qxe6 axb2 (269.985.368) 517

24/36 11:38 0.00 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6 4.f7 Qb6+
5.Kh1 Nf6 6.Rxf6 Qd8 7.Rdf3 Bxf6
8.Rxf6 b3 9.Qf4 bxa2 10.Qh6+ Ke7
11.Rf1 Qh8 12.Qg5+ Kf8 13.Qxg6 a3
14.Qxe6 axb2 (360.111.892) 515

25/36 16:21 0.00 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6 4.f7 Qb6+
5.Kh1 Nf6 6.Rxf6 Qd8 7.Rdf3 Bxf6
8.Rxf6 b3 9.Qf4 bxa2 10.Qh6+ Ke7
11.Rf1 Qh8 12.Qg5+ Kf8 13.Qxg6 a3
14.Qxe6 axb2 (502.452.716) 512

26/36 21:46 0.00 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6 4.f7 Qb6+
5.Kh1 Nf6 6.Rxf6 Qd8 7.Rdf3 b3 8.Qg5 Bxf6
9.Rxf6 bxa2 10.Qh6+ Ke7 11.Rf1 Qh8
12.Qg5+ Kf8 13.Qxg6 a3 14.Qxe6 axb2 (670.283.773) 512

27/40 33:19 0.00 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6 4.f7 Qb6+
5.Kh1 Nf6 6.Rxf6 Qd8 7.Rdf3 b3 8.Qg5 Bxf6
9.Rxf6 bxa2 10.Qh6+ Ke7 11.Rf1 Qh8
12.Qg5+ Kf8 13.Qxg6 a3 14.Qxe6 axb2 (1.029.483.348) 514

28/36 46:13 0.00 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6 4.f7 Qb6+
5.Kh1 Nf6 6.Rxf6 Qd8 7.Rdf3 b3 8.Qg5 Bxf6
9.Rxf6 bxa2 10.Qh6+ Ke7 11.Rf1 Qh8
12.Qg5+ Kf8 13.Qxg6 a3 14.Qxe6 axb2 (1.418.671.432) 511

29/06 219:12 -0.08-- 1...a4 2.Rg3 Qa7+ 3.Kh1 axb3 4.Nxg6+ (6.753.509.853) 513

29/02 313:13 -0.16-- 1...a4 2.Rg3 (9.635.472.596) 512


Having much fun with adding some changes to the code, this is really a good version, so it feels like adding some personal modifications to your own Ferrari, with the difference that you did not have to pay Ferrari prices 8-) Thanks much, Stockfish team! This hobby can be really a lot of fun also for non-millionaires and those who don't know too much about programming, you can learn a lot with programs like Stockfish 2.0.1!

This modified Stockfish 2.0.1 is doing a bit better at least on my system but it is hard to say if it is also an improvement if you would run a 20 theaded version of it...

r3nk2/2qb1p2/3ppPp1/p3b2p/1p2PN1Q/1B1R4/PPP3PP/5RK1 b - -

Engine: Rainbow Serpent 2.0 Build 005, with nextbestMove code implemented and slight change to static nullmove (Athlon, 256 MB)
by Romstad, Costalba, Kiiski

1/01 0:00 -0.08 1...Qc5+ (12.881) 55

2/03 0:00 -0.08 1...Qc5+ 2.Kh1 Bxb2 (12.989) 55

2/02 0:00 +0.04 1...Bxb2 2.Kh1 (13.467) 57

3/03 0:00 +0.08 1...Bxb2 2.Kh1 Be5 (14.621) 62

3/04 0:00 +0.16 1...Qc5+ 2.Kh1 Bxb2 3.Ne2 (16.004) 68

3/09 0:00 +0.52 1...a4 2.Bxe6 Qc5+ 3.Qf2 Bxe6 4.Qxc5 dxc5
5.Nxe6+ fxe6 (17.968) 76

4/09 0:00 +0.52 1...a4 2.Bxe6 Qc5+ 3.Qf2 Bxe6 4.Qxc5 dxc5
5.Nxe6+ fxe6 (18.685) 79

5/09 0:00 +0.52 1...a4 2.Bxe6 Qc5+ 3.Qf2 Bxe6 4.Qxc5 dxc5
5.Nxe6+ fxe6 (19.773) 79

6/09 0:00 +0.60++ 1...a4 2.Bxe6 Qc5+ 3.Qf2 Bxe6 4.Qxc5 dxc5
5.Nxe6+ fxe6 (25.415) 101

6/09 0:00 +0.68++ 1...a4 2.Bxe6 Qc5+ 3.Qf2 Bxe6 4.Qxc5 dxc5
5.Nxe6+ fxe6 (25.811) 103

6/09 0:00 +0.84++ 1...a4 2.Bxe6 Qc5+ 3.Qf2 Bxe6 4.Qxc5 dxc5
5.Nxe6+ fxe6 (26.755) 107

6/13 0:00 +0.80 1...a4 2.Bxe6 Qc5+ 3.Kh1 Bxe6
4.Nxe6+ fxe6 5.f7 Nc7 6.c3 bxc3
7.bxc3 Bxc3 (27.759) 111

7/13 0:00 +0.80 1...a4 2.Bxe6 Qc5+ 3.Kh1 Bxe6
4.Nxe6+ fxe6 5.f7 Nc7 6.c3 bxc3
7.bxc3 Bxc3 (31.245) 117

8/11 0:00 +0.96++ 1...a4 2.Bxe6 Qc5+ 3.Kh1 Bxe6
4.Nxe6+ fxe6 5.f7 Nc7 6.c3 Qc4 (37.348) 132

8/07 0:00 +1.13++ 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6 4.f7 Ng7 (43.722) 147

8/11 0:00 +1.41 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6 4.f7 Ng7
5.Rd2 Qe7 6.Qf2 Bxb2 (51.279) 164

9/12 0:00 +1.49 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6 4.f7 Ng7
5.Rd2 Qe7 6.Qe1 Bxb2 7.Qg3 (70.271) 204

10/13 0:00 +1.45 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6 4.f7 Ng7
5.Rd2 a3 6.bxa3 Rxa3 7.Rdf2 Rxa2 (101.283) 249

11/11 0:00 +1.53++ 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6 4.f7 Ng7
5.Rd2 Qc4 6.Rdf2 Bd4 (146.224) 292

11/06 0:00 +1.37-- 1...a4 2.Nxg6+ fxg6 3.Qg5 axb3
4.Qh6+ (242.781) 353

11/06 0:00 +1.29-- 1...a4 2.Nxg6+ fxg6 3.Qg5 axb3
4.Qh6+ (257.294) 357

11/06 0:00 +1.13-- 1...a4 2.Nxg6+ fxg6 3.Qg5 axb3
4.Qh6+ (267.946) 365

11/06 0:00 +0.80-- 1...a4 2.Nxg6+ fxg6 3.Qg5 axb3
4.Qh6+ (286.349) 374

11/15 0:00 +0.52 1...a4 2.Nxg6+ fxg6 3.Qg5 Qa7+ 4.Kh1 Kf7
5.Bc4 Qc5 6.Qh6 Nxf6 7.Qh7+ Kf8
8.Qh6+ Ke7 (364.857) 389

12/14 0:01 0.00 1...a4 2.Nxg6+ fxg6 3.Qg5 Qa7+ 4.Kh1 Kf7
5.Qh6 Nxf6 6.Qh7+ Ke8 7.Qh8+ Kf7
8.Qh7+ (581.037) 418

13/14 0:03 0.00 1...a4 2.Nxg6+ fxg6 3.Qg5 Qa7+ 4.Kh1 Kf7
5.Qh6 Nxf6 6.Qh7+ Ke8 7.Qh8+ Kf7
8.Qh7+ (1.362.784) 442

14/14 0:04 0.00 1...a4 2.Nxg6+ fxg6 3.Qg5 Qa7+ 4.Kh1 Kf7
5.Qh6 Nxf6 6.Qh7+ Ke8 7.Qh8+ Kf7
8.Qh7+ (2.036.874) 452

15/14 0:08 0.00 1...a4 2.Nxg6+ fxg6 3.Qg5 Qa7+ 4.Kh1 Kf7
5.Qh6 Nxf6 6.Qh7+ Ke8 7.Qh8+ Kf7
8.Qh7+ (4.026.015) 470

16/17 0:11 +0.08++ 1...a4 2.Nxg6+ fxg6 3.Qg5 Qc5+ 4.Kh1 Kf7
5.Qh6 Nxf6 6.Qh7+ Ke8 7.Qh8+ Ke7
8.Qxa8 axb3 9.cxb3 Bb5 (5.260.414) 474

16/17 0:11 +0.16++ 1...a4 2.Nxg6+ fxg6 3.Qg5 Qc5+ 4.Kh1 Kf7
5.Qh6 Nxf6 6.Qh7+ Ke8 7.Qh8+ Ke7
8.Qxa8 axb3 9.cxb3 Bb5 (5.385.243) 476

16/16 0:11 0.00 1...a4 2.Nxg6+ fxg6 3.Qg5 Qc5+ 4.Kh1 Kf7
5.Qh6 Nxf6 6.Qh7+ Ke8 7.Qh8+ Ke7
8.Qg7+ Ke8 9.Qh8+ (5.547.233) 477

17/17 0:14 +0.08++ 1...a4 2.Nxg6+ fxg6 3.Qg5 Kf7 4.Qh6 Nxf6
5.Qh7+ Kf8 6.Qh8+ Ke7 7.Qxa8 axb3
8.cxb3 Qc5+ 9.Rf2 Bxh2+ (7.045.588) 482

17/17 0:15 +0.16++ 1...a4 2.Nxg6+ fxg6 3.Qg5 Kf7 4.Qh6 Nxf6
5.Qh7+ Kf8 6.Qh8+ Ke7 7.Qxa8 axb3
8.cxb3 Qc5+ 9.Rf2 Bxh2+ (7.290.503) 484

17/17 0:15 +0.32++ 1...a4 2.Nxg6+ fxg6 3.Qg5 Kf7 4.Qh6 Nxf6
5.Qh7+ Kf8 6.Qh8+ Ke7 7.Qxa8 axb3
8.cxb3 Qc5+ 9.Rf2 Bxh2+ (7.469.470) 485

17/17 0:16 +0.64++ 1...a4 2.Nxg6+ fxg6 3.Qg5 Kf7 4.Qh6 Nxf6
5.Qh7+ Kf8 6.Qh8+ Ke7 7.Qxa8 axb3
8.cxb3 Qc5+ 9.Rf2 Bxh2+ (7.808.345) 487

17/13 0:18 +1.29++ 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6 4.f7 Ng7
5.Rd2 Qc4 6.Rdf2 Qxa2 7.c3 Qc4 (8.948.170) 492

17/21 0:26 +1.13 1...a4 2.Nxg6+ fxg6 3.Qg5 Kf7 4.Qh6 Nxf6
5.Qh7+ Ke8 6.Qh8+ Ke7 7.Qxa8 axb3
8.axb3 Bb5 9.Qh8 Qxc2 10.Qg7+ Kd8
11.Qf8+ Ne8 (13.401.955) 499

18/22 0:30 +1.41 1...a4 2.Nxg6+ fxg6 3.Qg5 Kf7 4.Qh6 Nxf6
5.Qh7+ Ke8 6.Qh8+ Ke7 7.Qxa8 axb3
8.axb3 Bb5 9.Kh1 Bxd3 10.cxd3 Kf7
11.Qh8 Bf4 12.g3 (15.097.668) 502

19/22 0:36 +1.41 1...a4 2.Nxg6+ fxg6 3.Qg5 Kf7 4.Qh6 Nxf6
5.Qh7+ Ke8 6.Qh8+ Ke7 7.Qxa8 axb3
8.axb3 Bb5 9.Kh1 Bxd3 10.cxd3 Kf7
11.Qh8 Bf4 12.g3 (18.526.538) 505

20/23 0:45 +1.57++ 1...a4 2.Nxg6+ fxg6 3.Qg5 Kf7 4.Qh6 Nxf6
5.Qh7+ Ke8 6.Qh8+ Ke7 7.Qxa8 axb3
8.axb3 Bb5 9.Kh1 Kf7 10.Qh8 Qxc2
11.Qh7+ Ke8 12.Qxg6+ Kd8 (23.287.403) 508

20/30 0:49 +1.29 1...a4 2.Nxg6+ fxg6 3.Qg5 Kf7 4.Qh6 Nxf6
5.Qh7+ Ke8 6.Qh8+ Ke7 7.Qxa8 axb3
8.axb3 Bb5 9.Kh1 Bxd3 10.cxd3 Qc2
11.Qa7+ Nd7 12.Qe3 Bxb2 13.Qg5+ Nf6
14.Qxg6 Qxb3 (25.440.839) 510

21/08 1:02 +1.41++ 1...a4 2.Nxg6+ fxg6 3.Qg5 Kf7 4.Qh6 Nxf6
5.Qh7+ (32.161.601) 511

21/11 1:15 +1.53++ 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6
4.Qg5 Qf7 5.Qh6+ Kg8 6.c3 bxc3 (38.748.997) 512

21/11 1:37 +1.77++ 1...a4 2.Bxe6 Bxe6 3.Nxe6+ fxe6
4.Qg5 Qf7 5.Qh6+ Kg8 6.c3 bxc3 (50.162.792) 512

21/02 4:13 +1.17-- 1...a4 2.Rg3 (128.461.854) 506

21/19 5:15 +1.05-- 1...a4 2.Rg3 Bb5 3.Bxe6 Bd4+ 4.Kh1 Bxf1
5.Nxg6+ fxg6 6.Rxg6 Bxg2+ 7.Rxg2 Nxf6
8.Qf4 Ke8 9.Qh6 Bxb2 10.Rg7 Qxc2 (159.947.676) 506

21/14 6:55 +0.80-- 1...a4 2.Rg3 Bb5 3.Bxe6 Bd4+ 4.Kh1 Bxf1
5.Bxf7 Kxf7 6.Qg5 Nxf6 7.Qxg6+ Ke7
8.Qg7+ (209.745.374) 505

21/04 8:48 +0.32-- 1...a4 2.Rg3 Bb5 3.Bxe6 (266.124.829) 503

21/23 13:06 -0.64-- 1...a4 2.Rg3 Bb5 3.Bxe6 Qc5+ 4.Rf2 Qd4
5.h3 Nxf6 6.c3 bxc3 7.bxc3 g5 8.Ng6+ fxg6
9.cxd4 gxh4 10.dxe5 hxg3 11.Rxf6+ Ke7
12.Rxg6 dxe5 (394.278.342) 501


21/23 14:14 0.00 1...Bb5 2.Bxe6 Bxd3 3.cxd3 Bxf6
4.Qg3 Qa7+ 5.Kh1 fxe6 6.Nxe6+ Ke7
7.Nf4 Rc8 8.Nd5+ Kf7 9.Qg5 Qd4
10.Qh6 Qxb2 11.Qh7+ Ng7 12.Qh6 Ne8 (428.362.506) 501

22/27 16:25 -0.88 1...Bb5 2.Bxe6 Bxd3 3.cxd3 Bxf6
4.Qg3 Qa7+ 5.Kh1 fxe6 6.Nxe6+ Ke7
7.Nf4 Qc5 8.Nd5+ Kd8 9.Qxg6 Bxb2
10.Qxh5 Ra7 11.Qg5+ Bf6 12.Rxf6 Nxf6
13.Qxf6+ Kd7 14.Qe7+ Kc6 (493.185.511) 500

23/26 22:10 -0.36 1...Bb5 2.Bxe6 Bxd3 3.cxd3 Bxf6
4.Qg3 Qa7+ 5.Kh1 fxe6 6.Nxe6+ Ke7
7.Nf4 Qc5 8.Nd5+ Kd7 9.b3 Kc6
10.Qxg6 Bd4 11.Qf7 Be5 12.Re1 Bc3
13.Rc1 Qd4 14.Rd1 (662.451.330) 497


best move: Bd7-b5 time: 23:03.594 min n/s: 496.973 nodes: 687.600.386
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
Carlos Ylich
Posts: 175
Joined: Wed Apr 28, 2010 9:31 pm
Location: Brazil

Re: Test Position

Post by Carlos Ylich »

Naum 4.2

1/06 0:00 +0.04 16.c5 (80) 1
2/12 0:00 +0.06 16.Ad3 Ad6 (651) 8
3/16 0:00 +0.06 16.Ad3 Ad6 17.cxd5 (1.275) 16
4/13 0:00 +0.14 16.Ad3 Ad6 17.Ta1 dxc4 (2.358) 30
5/16 0:00 +0.19 16.Ad3 Ad6 17.Ta1 dxc4 18.bxc4 (4.487) 57
6/14 0:00 +0.18 16.Ad3 Ad6 17.Ta1 b6 18.cxd5 exd5 (6.792) 87
7/19 0:00 +0.17 16.Ad3 Ch5 17.Ae1 Ad6 18.Ta1 Cdf6 19.Txa5 (17.511) 224
8/21 0:00 +0.17 16.Ad3 Ch5 17.Ae1 Ad6 18.Ta1 Cdf6 19.Txa5 Cxg3 (32.948) 422
8/21 0:00 +0.23 16.c5 Ch5 17.Ae1 Chf6 18.Ad3 Rc7 19.g4 e5 (41.229) 438
9/25 0:00 +0.28 16.c5 Ch5 17.Tg1 Chf6 18.h4 Rc7 19.Ad3 Axc3 20.bxc3 (98.452) 1047
10/28 0:00 +0.26 16.c5 Rc7 17.Ad3 e5 18.Ta1 Tde8 19.h4 Te6 20.The1 The8 (214.745) 1717
11/29 0:00 +0.26 16.c5 Rc7 17.Ad3 e5 18.Ta1 Tde8 19.h4 Te6 20.The1 The8 21.g4 (270.899) 2167
12/34 0:00 +0.26 16.c5 Rc7 17.Ad3 e5 18.Ta1 Tde8 19.h4 Te6 20.The1 The8 21.g4 exd4 (428.939) 2732
13/34 0:00 +0.26 16.c5 Rc7 17.Ad3 e5 18.h4 Tde8 19.Ta1 Te6 20.Thg1 The8 21.Tge1 Th8 22.Te2 (951.765) 4050
14/34 0:01 +0.27 16.Ad3 Ch5 17.Ae1 Chf6 18.c5 Tde8 19.Ta1 e5 20.Ad2 Rc7 21.h4 Te6 22.Thg1 The8 (7.393.942) 4779
mejor jugada: Af1-d3 tiempo: 0:02.110 min n/s: 4.779.535 nodos: 7.534.440
1/07 0:00 +0.51 1...Cxf6 (116) 116
2/17 0:00 +0.29 1...Axb2 2.Ce2 (1.638) 1638
3/12 0:00 +0.29 1...Axb2 2.Ce2 Dc5+ (2.047) 2047
4/19 0:00 -0.33 1...Axb2 2.e5 Axe5 3.Ce2 (4.547) 4547
5/14 0:00 -0.49 1...Axb2 2.c3 Axc3 3.Ce2 Dc5+ (8.304) 8304
6/25 0:00 -0.67 1...Axb2 2.c3 Axc3 3.Ce2 Dc5+ 4.Rh1 (46.264) 46264
7/26 0:00 -0.40 1...Axb2 2.Tf2 Dc5 3.Tdf3 Ad4 4.Cd3 Axf2+ (70.539) 4408
8/22 0:00 -0.41 1...Axf4 (125.157) 7822
8/22 0:00 -0.58 1...Axf4 2.Dxf4 a4 3.Axe6 Axe6 4.Tf2 a3 5.bxa3 (172.383) 5386
9/29 0:00 -0.59 1...a4 (471.110) 5011
9/29 0:00 -0.78 1...a4 2.Axe6 Axe6 3.Cxe6+ fxe6 4.f7 Dc5+ 5.Rh1 Cc7 (490.864) 4462
10/31 0:00 -0.98 1...a4 2.Axe6 Axe6 3.Cxe6+ fxe6 4.Dg5 Df7 5.Tdf3 Tc8 6.T1f2 (837.277) 5332
11/30 0:00 -0.99 1...a4 2.Cxg6+ fxg6 3.Dg5 Rf7 4.Dh6 Da7+ 5.Rh1 Cxf6 6.Dh7+ Re8 (1.165.209) 5320
12/37 0:00 -0.86 1...a4 2.Axe6 Axe6 3.Cxe6+ fxe6 4.f7 Dc5+ 5.Rh1 Cf6 6.Tdf3 Ch7 7.b3 (2.521.048) 5755
13/36 0:00 -0.86 1...a4 2.Axe6 Axe6 3.Cxe6+ fxe6 4.f7 Dc5+ 5.Rh1 Cf6 6.Tdf3 Ch7 7.b3 Dxc2 (3.063.464) 5936
14/49 0:00 -0.97 1...a4 2.Axe6 Axe6 3.Cxe6+ fxe6 4.f7 Dc5+ 5.Rh1 Cf6 6.Tdf3 Ch7 7.c3 bxc3 8.bxc3 (5.959.247) 6353
15/47 0:03 -0.98 1...a4 2.Dg5 Axf4 3.Txf4 axb3 4.Dh6+ Rg8 5.Tg3 Ac6 6.cxb3 e5 7.Tf5 Cxf6 8.Txf6 Axe4 (26.054.797) 6749
16/59 0:10 -0.74 1...a4 2.Dg5 Axf4 3.Txf4 axb3 4.Dh6+ Rg8 5.Tg3 Ac6 6.cxb3 Cxf6 7.Txf6 Axe4 8.Tf1 Txa2 9.Dxh5 (72.684.228) 7080
17/51 0:37 -0.29 1...a4 2.Tg3 Dc5+ 3.Rh1 Db5 4.Tff3 axb3 5.Cxg6+ fxg6 6.Txg6 Axb2 7.Df4 Axf6 8.Txf6+ Re7 9.Tf8 Ta5 (258.019.587) 6917
18/56 2:35 0.00 1...Ab5 2.Rh1 Axd3 3.Cxd3 a4 4.Axe6 fxe6 5.f7 Cg7 6.Dg5 Dc4 7.Dh6 Re7 8.Dg5+ Rf8 (1.086.236.800) 6978
Carlos Ylich
Posts: 175
Joined: Wed Apr 28, 2010 9:31 pm
Location: Brazil

Re: Test Position

Post by Carlos Ylich »

Chess Tiger 2007! :shock:

Engine: Chess Tiger 2007 (512 MB)
de Copyright (C) 1994-2006 by Christophe T
1/50 0:00 +2.30 1...Cxf6 (5)
1.00 0:00 +1.56 1...Cxf6 (10)
1.02 0:00 +1.16 1...Dc5+ 2.Tf2 Cxf6 (43)
2.00 0:00 +1.16 1...Dc5+ 2.Tf2 Cxf6 (109)
2.02 0:00 +0.67 1...a4 2.Cxe6+ fxe6 (432)
3.00 0:00 +0.81 1...a4 2.Cxe6+ fxe6 (656)
4.00 0:00 +0.47 1...a4 2.Axe6 Dc5+ 3.Tf2 Axe6 4.Cxe6+ fxe6 (2.105)
5.00 0:00 +0.47 1...a4 2.Axe6 Dc5+ 3.Tf2 Axe6 4.Cxe6+ fxe6 (5.560)
5.02 0:00 +0.41 1...Dc5+ 2.Rh1 a4 3.Axe6 Axe6 4.Cxe6+ fxe6 (7.189)
6.00 0:00 +0.41 1...Dc5+ 2.Rh1 a4 3.Axe6 Axe6 4.Cxe6+ fxe6 (10.940) 547
7.00 0:00 +0.18 1...Dc5+ 2.Tf2 Axf6 3.Dg3 a4 4.e5 Axe5 (31.054) 1552
8.00 0:00 +0.17 1...Dc5+ 2.Rh1 a4 3.Axe6 Axe6 4.Cxe6+ fxe6 5.Tf2 Axb2 (67.887) 1357
9.00 0:00 +0.70 1...Dc5+ 2.Rh1 a4 3.Dg5 Axf4 4.Dxc5 dxc5 5.Txf4 axb3 6.Txd7 bxa2 (97.749) 1629
9.02 0:00 +0.12 1...a4 2.Axe6 Axe6 3.Cxe6+ fxe6 4.Tf2 Df7 (111.329) 1855
10.00 0:00 -0.13 1...a4 2.Axe6 Axe6 3.Cxe6+ fxe6 4.c3 Dc5+ 5.Rh1 Dc4 6.Tdf3 bxc3 7.bxc3 Dxa2 (156.074) 1734
11.00 0:00 +0.64 1...a4 2.Dg5 Axf4 3.Dxf4 Dc5+ 4.Rh1 axb3 5.axb3 Dxc2 6.Dh6+ (218.027) 1557
11.02 0:00 +0.06 1...Dc5+ 2.Rh1 a4 3.Dg5 Axf4 4.Dxf4 axb3 5.Dh6+ Rg8 6.axb3 Dxc2 7.Txd6 Ab5 (348.878) 1585
12.02 0:00 -0.23 1...a4 2.Axe6 Axe6 3.Cxe6+ fxe6 4.c3 Dc5+ 5.Rh1 Dc4 6.Tdf3 bxc3 7.bxc3 De2 (798.058) 1697
13.01 0:00 -0.26 1...a4 2.Axe6 Axe6 3.Cxe6+ fxe6 4.c3 bxc3 5.bxc3 Da7+ 6.Rh1 Df7 7.Tdf3 Cc7 (1.312.188) 1704
14.01 0:01 -0.16 1...a4 2.Axe6 Axe6 3.Cxe6+ fxe6 4.Dg5 Da7+ 5.Rh1 Df7 6.Dh6+ Rg8 7.a3 Cxf6 8.axb4 Tc8 (1.955.027) 1730
15.12 0:05 +0.28 1...Ab5 2.Dg5 Dc5+ 3.Rh1 Axf4 4.Dxf4 Axd3 5.cxd3 De5 6.Rg1 Dxf4 7.Txf4 Tc8 (8.850.536) 1749
16.01 0:07 +0.50 1...Ab5 2.Dg5 Dc5+ 3.Tf2 Axf4 4.Dxf4 Axd3 5.cxd3 De5 6.Dh6+ Rg8 7.d4 Dxd4 8.Axe6 Dxe4 9.Ad7 De1+ 10.Tf1 (12.650.754) 1764
17.01 0:13 +0.24 1...Ab5 2.Dg5 Dc5+ 3.Tf2 Axf4 4.Dxf4 Axd3 5.cxd3 Tc8 6.Ac2 Rg8 7.b3 Dd4 8.Ab1 De5 (24.541.241) 1774
17.01 0:19 +0.24 1...Ab5 2.Dg5 Dc5+ 3.Tf2 Axf4 4.Dxf4 Axd3 5.cxd3 Tc8 6.Ac2 Rg8 7.b3 Dd4 8.Ab1 De5 (34.709.308) 1778
mejor jugada: Ad7-b5 tiempo: 0:20.265 min n/s: 1.778.141 nodos: 34.709.308