Test Position

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DomLeste
Posts: 221
Joined: Thu Mar 09, 2006 4:53 pm

Test Position

Post by DomLeste »

[d]rnbqkb1r/1p3p1p/p4P2/4pP2/3p4/2N1B3/PPP2P1P/R2QKB1R w KQkq -

Turn off your opening books for this one how many engines can avoid Bxd4 and play Bc4 :)

B81 - Keres Attack

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. g4 e5 8. Nf5 g6 9. g5 gxf5 10. exf5 d5

Dom
Insanity: doing the same thing over and over again and expecting different results.
Albert Einstein
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Werewolf
Posts: 2023
Joined: Thu Sep 18, 2008 10:24 pm

Re: Test Position

Post by Werewolf »

Rybka 3 finds Bc4 in 9 seconds on my system:

Analysis by Rybka 3:

-/+ (-0.91) 12.Bxd4 Qxd4 00:00:00
-/+ (-0.91) 12.Bxd4 Qxd4 00:00:00
-/+ (-1.01) 12.Bxd4 Qxd4[] 00:00:01
-/+ (-1.01) 12.Bxd4 Qxd4[] 00:00:03
-/+ (-0.81 !) 12.Bc4 00:00:09
=/+ (-0.61 !) 12.Bc4 00:00:14
-/+ (-0.75) 12.Bc4 Qc7 13.Qd3 00:00:24
=/+ (-0.55 !) 12.Bc4 00:00:31
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Allard Siemelink
Posts: 297
Joined: Fri Jun 30, 2006 9:30 pm
Location: Netherlands

Re: Test Position

Post by Allard Siemelink »

Spark finds it instantly:

Code: Select all

  [3/2]     0.000     976     -157  Bg2 dxc3 Qxd8+ Kxd8 Rd1+ Kc7
  [3/3]     0.016    1297     -156  ++6/41 Bf1c4
  [3/3]     0.016    2001       33  Bc4 Bxf5 Qf3
  [3/3]     0.016    3427       33  ok/4.0
  [4/6]     0.016    7603       -7  Bc4 Bxf5 Qf3 dxe3 Qxf5 Qd2+ Kf1
  [4/6]     0.016    9733       -7  ok/2.8
  [5/7]     0.016   10822       -7  Bc4 Bxf5 Qf3 dxe3 Qxf5 Qd2+ Kf1
  [5/8]     0.032   16868       -7  ok/1.7
  [6/9]     0.063   52166      -71  Bc4 Qd7 Qh5 dxe3 fxe3 Nc6
  [6/9]     0.063   52206      -71  ok/3.1
  [7/12]    0.078   63129      -60  Bc4 Qc7 Qd3 dxc3 O-O-O cxb2+ Kxb2 Bxf5 Qxf5 Qxc4 Qxe5+ Qe6
  [7/12]    0.110   96514      -60  ok/1.8
  [8/14]    0.203     196k    -114  Bc4 Qc7 Qd3 dxc3 O-O-O cxb2+ Kxb2 Nd7 Rhg1 Nxf6
  [8/14]    0.250     251k    -114  ok/2.7
  [9/15]    0.282     283k    -114  Bc4 Qc7 Qd3 dxc3 O-O-O cxb2+ Kxb2 Nd7 Rhg1 Nxf6
  [9/16]    0.375     396k    -114  ok/1.6
 [10/19]    0.469     477k    -115  Bc4 Qc7 Qd3 dxc3 O-O-O b5 Bb3 Nc6 bxc3 Bd7
 [10/19]    0.719     762k    -115  ok/1.9
 [11/19]    0.938     983k    -119  Bc4 Qc7 Qd3 dxe3 fxe3 Qd7 Nd5 b5 Bb3 Nc6 a4 Bb7
 [11/19]    1.453    1606k    -119  ok/2.1
 [12/21]    1.672    1829k    -103  Bc4 Qc7 Qd3 dxe3 fxe3 Qd7 Nd5 b5 Bb3 Nc6 Rg1 Nb4 Qe4
 [12/22]    2.344    2681k    -103  ok/1.7
 [13/25]    5.078    6022k    -148  Bc4 Qc7 Qd3 dxc3 O-O-O cxb2+ Kxb2 Nc6 c3 Na5 Bd5 Bd7 Bxf7+ Kxf7 Qxd7+ Qxd7 Rxd7+ Kxf6
 [13/25]    6.672    8163k    -148  ok/3.0
 [14/25]    9.860   11204k    -144  Bc4 Qc7 Qd3 dxc3 bxc3 Nc6 O-O-O Na5 Bd5 Ba3+ Kb1 Bd7 Bh6 O-O Bxf7 Qb6+ Bb3 Nxb3 axb3 Qxf6
 [14/29]   13.532   15433k    -144  ok/1.9
 [15/29]   17.063   18723k    -146  Bc4 Qc7 Qd3 dxc3 bxc3 Nc6 O-O-O Na5 Bd5 Bd7 Kb1 Rc8 Bb3 Nxb3 cxb3 Rg8
 [15/32]   26.563   29541k    -146  ok/1.9
 [16/32]   40.344   42410k    -125  Bc4 Qc7 Qd3 dxc3 bxc3 Nc6 O-O-O Na5 Bd5 Bd7 Kb1 Rc8 Rhg1 Bb5 Qe4 Ba3 Rg7
 [16/34]   54.797   57343k    -125  ok/1.9
 [17/34]  0:01:12   72427k    -125  Bc4 Qc7 Qd3 dxc3 bxc3 Nc6 O-O-O Na5 Bd5 Bd7 Kb1 Bb5 Qe4 O-O f4 Be2 fxe5 Bxd1 Rxd1 Qxc3
 [17/35]  0:01:30   90754k    -125  stopped
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DomLeste
Posts: 221
Joined: Thu Mar 09, 2006 4:53 pm

Re: Test Position

Post by DomLeste »

Yeah easy for some engines i tested this position for CCRL and 4 engines couldnt get this :) Oh well i have to look for something alot tougher!
Insanity: doing the same thing over and over again and expecting different results.
Albert Einstein
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User avatar
Kempelen
Posts: 620
Joined: Fri Feb 08, 2008 10:44 am
Location: Madrid - Spain

Re: Test Position

Post by Kempelen »

DomLeste wrote:[d]rnbqkb1r/1p3p1p/p4P2/4pP2/3p4/2N1B3/PPP2P1P/R2QKB1R w KQkq -

Turn off your opening books for this one how many engines can avoid Bxd4 and play Bc4 :)

B81 - Keres Attack

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. g4 e5 8. Nf5 g6 9. g5 gxf5 10. exf5 d5

Dom
In order to fine tune a engine to find the correct move, what are the positional factor more important in "end of line" searched position? My engine is not able to find Bc4 :(
Fermin Serrano
Author of 'Rodin' engine
http://sites.google.com/site/clonfsp/
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Kurt Utzinger
Posts: 169
Joined: Sun May 11, 2008 10:31 pm
Location: Switzerland

Re: Test Position

Post by Kurt Utzinger »

No problem for bright-0.4a
Kurt

rnbqkb1r/1p3p1p/p4P2/4pP2/3p4/2N1B3/PPP2P1P/R2QKB1R w KQkq -

Engine: bright-0.4a (64 MB)
von AJ Siemelink

11/37 0:01 -0.86 1.Lc4 Dxf6 2.Sd5 Dc6 3.Lxd4 Lb4+
4.c3 Dxc4 5.Sf6+ Kf8 6.Le3 Lxc3+
7.bxc3 Dxc3+ 8.Ld2 (7.247.614) 4

12/37 0:03 -0.71 1.Lc4 Dxf6 2.Se4 Dxf5 3.Ld3 Dg6
4.Lg5 Lb4+ 5.c3 dxc3 6.Sf6+ Dxf6
7.Lxf6 c2+ 8.Dd2 Lxd2+ 9.Kxd2 (13.568.670) 4

13/39 0:05 -0.59 1.Lc4 Dxf6 2.Se4 Dh4 3.Sg5 Lb4+
4.Ld2 Dxg5 5.Lxb4 Lxf5 6.De2 Le6
7.Lxe6 fxe6 (23.720.311) 4

14/45 0:09 -0.78 1.Lc4 Dxf6 2.Se4 Dh4 3.Sg5 Lb4+
4.Ld2 Dxg5 5.Lxb4 Sc6 6.Dd2 Dxd2+
7.Lxd2 Lxf5 8.O-O-O e4 (43.924.943) 4

15/57 0:58 -0.36 1.Lc4 Dc7 2.Dd3 dxc3 3.O-O-O cxb2+
4.Kb1 Sc6 5.Thg1 b5 6.Ld5 Sb4 7.De4 Sxd5
8.Txd5 Lb7 9.Txe5+ Kd8 (276.268.502) 4
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Kurt Utzinger
Posts: 169
Joined: Sun May 11, 2008 10:31 pm
Location: Switzerland

Re: Test Position

Post by Kurt Utzinger »

Also no problem for Tao 5.6

Code: Select all

rnbqkb1r/1p3p1p/p4P2/4pP2/3p4/2N1B3/PPP2P1P/R2QKB1R w KQkq -

Engine: Tao 5.6 (64 MB)
von Bas Hamstra

8/20   0:01   -1.06    1.Lc4 Dc7 2.Dd3 Lb4 3.O-O-O dxc3 
                       4.bxc3 La3+ 5.Kb1 (943.084) 780 

9/22   0:02   -1.20    1.Lc4 Dc7 2.Dd3 Lb4 3.Lxd4 exd4 
                       4.Dxd4 Sc6 5.De4+ Se5 (1.926.395) 829 

10/25  0:07   -1.25    1.Lc4 Dc7 2.Dd3 dxe3 3.fxe3 Dd7 
                       4.Sd5 b5 5.Lb3 Tg8 (6.591.337) 899 

11/27  0:16   -1.21    1.Lc4 Dc7 2.Dd3 dxc3 3.Dxc3 Lxf5 
                       4.O-O-O Le6 5.Lxe6 Dxc3 6.bxc3 La3+ 
                       7.Kb1 fxe6 (14.964.433) 922 

12/30  0:34   -1.28    1.Lc4 Dc7 2.Lxd4 Dxc4 3.Lxe5 Lb4 
                       4.Dd2 Lxf5 5.O-O-O Sd7 6.b3 La3+ 
                       7.Kb1 (31.788.630) 930 

13/32  1:56   -1.21    1.Lc4 Dc7 2.Dd3 dxc3 3.Dxc3 Lxf5 
                       4.O-O-O Sc6 5.Thg1 Ld6 6.Tg7 Tf8 
                       7.Kb1 (107.891.103) 923
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Kurt Utzinger
Posts: 169
Joined: Sun May 11, 2008 10:31 pm
Location: Switzerland

Re: Test Position

Post by Kurt Utzinger »

And also no problem for LoopMP 12.32

Code: Select all

rnbqkb1r/1p3p1p/p4P2/4pP2/3p4/2N1B3/PPP2P1P/R2QKB1R w KQkq -

Engine: LoopMP 12.32 (32 MB)
von Fritz Reul

10.01  0:01   -2.14    1.Lc4 Dc7 2.Dd3 dxc3 3.Dxc3 Lxf5 
                       4.O-O-O Sc6 5.Kb1 Da5 6.Db3 (1.556.487) 927 

10.02  0:01   -2.02    1.Lxd4 Dxd4 2.Dxd4 exd4 3.Sd5 Ta7 
                       4.O-O-O Sc6 5.Ld3 Ld6 6.Tde1+ Kd8 
                       7.Thg1 (2.059.837) 1041 

11.01  0:03   -2.09    1.Lxd4 Dxd4 2.Dxd4 exd4 3.Sd5 Ta7 
                       4.Ld3 Sc6 5.Kd2 Kd8 6.Tae1 Sb4 7.Te5 (3.732.987) 1182 

12.01  0:10   -2.15    1.Lxd4 Dxd4 2.Dxd4 exd4 3.Sd5 Ta7 
                       4.Ld3 Sc6 5.O-O-O Ld6 6.Thg1 Lxh2 
                       7.Tg7 b5 (7.662.267) 728 

12.02  0:15   -1.85    1.Lc4 Dc7 2.Dd3 dxc3 3.Dxc3 Lxf5 
                       4.O-O-O Sc6 5.Thg1 Lb4 6.Db3 b5 
                       7.Le2 (10.544.211) 681 

13.01  0:25   -1.98    1.Lc4 Dc7 2.Dd3 dxc3 3.Dxc3 Lxf5 
                       4.O-O-O Sc6 5.Thg1 Lb4 6.Db3 b5 
                       7.Ld3 e4 (17.989.030) 711 

14.01  0:59   -1.88    1.Lc4 Dc7 2.Dd3 dxc3 3.Dxc3 Lxf5 
                       4.O-O-O Sc6 5.Thg1 Tc8 6.Tg5 Sd4 
                       7.Lxd4 Dxc4 (38.016.344) 637
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Kurt Utzinger
Posts: 169
Joined: Sun May 11, 2008 10:31 pm
Location: Switzerland

Re: Test Position

Post by Kurt Utzinger »

No problem for Deep Shredder 12 Linux

Code: Select all

rnbqkb1r/1p3p1p/p4P2/4pP2/3p4/2N1B3/PPP2P1P/R2QKB1R w KQkq

Deep Shredder 12 
∓ (-1.71)	13/29	1.Lg5(6/41)	1377 kn/s
1.Lc4 Dc7 2.Dd3 dxe3 3.fxe3 Sd7 4.O-O-O Sxf6 5.Kb1 b5 6.Sd5 Sxd5 7.Lxd5
0:01	13/29	

∓ (-1.57)	16/49	1.Tb1(26/41)	1535 kn/s
1.Lc4 Dc7 2.Dd3 dxc3 3.O-O-O Sc6 4.Kb1 cxb2 5.Thg1 b5 6.Lb3 Sb4 7.De2 Lxf5 8.Tg5 Dc8 9.Lf4 Lh6 10.Txf5
0:19	16/49	

∓ (-1.57)	17/17	1.Lc4(1/41)	1528 kn/s
1.Lc4 Dc7 2.Dd3 dxc3 3.O-O-O Sc6 4.Kb1 cxb2 5.Thg1 b5 6.Lb3 Sb4 7.De2 Lxf5 8.Tg5 Dc8 9.Lf4 Lh6 10.Txf5
0:19	16/49	

∓ (-1.29)	18/18	1.Lc4(1/41)	1544 kn/s
1.Lc4 Dc7 2.Dd3 dxc3 3.O-O-O Sc6 4.Kb1 Tg8
0:55	17/49
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