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Subject: Re: A test position for chess programs

Author: Carlos del Cacho

Date: 14:06:10 04/11/01

Go up one level in this thread


Pepito sticks to the obviously bad Qb2 until it thinks it finds something better
grabbing a pawn, but I wouldn't give a penny for the PVs below :-)
Tricky for computers.

 1   319    23        1  Ac1-g5
 1   323    23       23  Ac1-b2
 1   323    24       49  Ac1-b2
 2   294    24      134  Ac1-g5 De2-e4
 2   313    26      326  Df6-b2 Rg2-f3 Db2xe2 Rf3xe2
 2   313    26      389  Df6-b2 Rg2-f3 Db2xe2 Rf3xe2
 3   321    29     1741  Df6-b2 Rg2-f1 Db2-d2
 4   307    34     4201  Df6-b2 De2xb2 Ac1xb2 h4
 5   312    43    14560  Df6-b2 Rg2-f1 Db2xe2 Rf1xe2
 6   308    70    49282  Df6-b2 De2xb2 Ac1xb2 h4 Ab2-e5 Rg2-f3
 7   316    93    83895  Df6-b2 De2xb2 Ac1xb2 h4 Rf7-f6 Rg2-f3 g5
 8   320   191   208420  Df6-b2 De2xb2 Ac1xb2 Rg2-f3 Rf7-f6 Rf3-e4 g5
 9   324   234   277963  Df6-b2 De2xb2 Ac1xb2 g5 Ab2-c1 h4 Ac1-b2
10   322  2420  2986032  Rf7-g7 De2-e4 Df6-b2 Rg2-f1 Ac1-g5 De4-c4 Rg7-f6
10   322  2556  3185280  Rf7-g7 De2-e4 Df6-b2 Rg2-f1 Ac1-g5 De4-c4 Rg7-f6
11   322  4701  6254862  Rf7-g7 De2-c4 Ac1-g5 Dc4-c7 Rg7-h6 Dc7-c4 Df6-b2 Rg2-h1
Ag5-e3 Dc4-f1 Db2-f2 Df1xf2
12   342 16478 22028563  Df6-e5 De2xe5 d6xe5 Rg2-f3 Rf7-e7 h4 Re7-d6
12   350 30209 39476435  Ac1-f4 De2-e4 Df6-b2 Rg2-f1 Db2-e5 De4xe5 d6xe5 h4 e4
Rf1-e2 Rf7-f6 Re2-f2
12   350 30219 39494736  Ac1-f4 De2-e4 Df6-b2 Rg2-f1 Db2-e5 De4xe5 d6xe5 h4 e4
Rf1-e2 Rf7-f6 Re2-f2
13   372 57445 75922269  Ac1-f4 Rg2-f3 Af4-g5 Rf3-g2 Rf7-g7 De2-c2 Df6-d4 Dc2-c7
Rg7-h6 Dc7-f7 Dd4-d2 Rg2-f3 Dd2-d3 Rf3-g2 Dd3-c2 Df7-f2 Dc2xa4

Time spent: 600.05
Depth reached: 13
PV: [372] Ac1-f4 Rg2-f3 Af4-g5 Rf3-g2 Rf7-g7 De2-c2 Df6-d4 Dc2-c7 Rg7-h6 Dc7-f7
Dd4-d2 Rg2-f3 Dd2-d3 Rf3-g2 Dd3-c2 Df7-f2 Dc2xa4
Nodes per second: 132105.66221585
Interior nodes: 24306382
Quiescent nodes: 54963619
First_success: 7454747/8457555  (88.143 %).
BranchingFactor: 4.250
Null-moves: 7050357/9100011  (77.476 %).
Hash hits: 7166845/24306382  (29.485 %).
EGTB hits: 0/0  (0.000 %).
Pawn Hash hits: 54755444/54963649  (99.621 %).
Futility cut-offs: 1776997.
IID: 0.
Evals:  54963649.  Lazy:  30125762. (54.810 %).
Extensions:   CHK  7822633.  MRL  457207.  RCP  216634.
Voy por el problema 1. Resueltos:   0


Pepito>
Bye!



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