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Subject: Re: Testposition: stalemate prevention; How many plies & nodes does it take?

Author: Richard Pijl

Date: 03:35:26 12/16/02

Go up one level in this thread


On December 15, 2002 at 22:23:48, Jonathan Lee wrote:

>[D]8/2R5/k7/P7/2PK4/8/1P2r3/8 w - - 0 1
>
>
>
>
>I apologize; this was in the CCC archives number 121837.  Due to better
>presentation such as Chessmaster & others, I want to see how this is done.
>I hope my FEN diagram works.
>Jonathan

The Baron, current development version never considers b4, and almost
immediately choses Kc3 and sticks to it:
(Mobile PII-500)

 ply       time     nodes  score  pv

  4( 6)&      0      1623    315  c7c5 e2b2 c5f5 b2d2 d4e4
  4( 8).      0      2366    315  c7c5 e2b2 c5f5 b2d2 d4e4
  5( 8)&      0      3258    288  c7c5 e2b2 d4c3 b2a2 c3b4
  5(10)&      0      5480    313  d4c3 a6a5 b2b4 a5b6 c7f7 b6c6
  5(10).      0      7562    313  d4c3 a6a5 b2b4 a5b6 c7f7 b6c6
  6(10)&      0      9331    321  d4c3 a6a5 b2b4 a5b6 c7f7 b6c6 c3d3
  6(13).      0     12485    321  d4c3 a6a5 b2b4 a5b6 c7f7 b6c6 c3d3
  7(13)&      0     17717    319  d4c3 a6a5 b2b4 a5b6 c7f7 b6c6 f7f6 c6d7 b4b5
  7(16).      0     33118    319  d4c3 a6a5 b2b4 a5b6 c7f7 b6c6 f7f6 c6d7 b4b5
  8(14)&      0     46297    318  d4c3 a6a5 b2b4 a5b6 c7f7 b6c6 b4b5 c6c5 f7f5
c5b6 f5f6 b6c5
  8(16).      0     94602    318  d4c3 a6a5 b2b4 a5b6 c7f7 b6c6 b4b5 c6c5 f7f5
c5b6 f5f6 b6c5
  9(16)&      0    117145    326  d4c3 a6a5 b2b4 a5b6 c7f7 b6c6 b4b5 c6d6 c3d3
e2e5 d3d4
  9(17).      1    176122    326  d4c3 a6a5 b2b4 a5b6 c7f7 b6c6 b4b5 c6d6 c3d3
e2e5 d3d4
 10(18)&      1    277055    325  d4c3 a6a5 b2b4 a5b6 c7h7 e2e6 c3d4 b6c6 b4b5
c6b6 h7d7
 10(19).      3    474354    325  d4c3 a6a5 b2b4 a5b6 c7h7 e2e6 c3d4 b6c6 b4b5
c6b6 h7d7
 11(19)&      4    673860    327  d4c3 a6a5 b2b4 a5b6 c7h7 e2e6 c3d4 e6g6 d4d5
g6g5 d5d6 g5g6 d6e5 g6g4
 11(20).      7   1278991    327  d4c3 a6a5 b2b4 a5b6 c7h7 e2e6 c3d4 e6g6 d4d5
g6g5 d5d6 g5g6 d6e5 g6g4
 12(20)&     11   1798098    332  d4c3 a6a5 c4c5 e2e3 c3c4 a5a6 c7c6 a6b7 c6b6
b7c7 b2b4 e3e4 c4d5 e4f4 b6c6 c7d7
 12(22).     16   2742903    332  d4c3 a6a5 c4c5 e2e3 c3c4 a5a6 c7c6 a6b7 c6b6
b7c7 b2b4 e3e4 c4d5 e4f4 b6c6 c7d7
 13(21)&     21   3527976    336  d4c3 a6a5 c4c5 a5a6 b2b4 e2e6 c7d7
 13(23).     34   5582931    336  d4c3 a6a5 c4c5 a5a6 b2b4 e2e6 c7d7
 14(23)&     49   7922824    339  d4c3 a6a5 c4c5 a5b5 b2b4 e2e1 c7b7
 14(24).     77  12597743    339  d4c3 a6a5 c4c5 a5b5 b2b4 e2e1 c7b7
 15(26)&    110  17961482    339  d4c3 a6a5 c4c5 a5b5 b2b4 e2e3 c3d4 e3e1 c7b7
b5c6 b7b6 c6c7 b4b5 e1d1 d4e3
 15(27).    178  29384944    339  d4c3 a6a5 c4c5 a5b5 b2b4 e2e3 c3d4 e3e1 c7b7
b5c6 b7b6 c6c7 b4b5
 16(26)&    271  43739595    340  d4c3 a6a5 c4c5 e2e3 c3c4 e3e4 c4d5 e4h4 c7a7
a5b5 a7b7 b5a6 b7b6 a6a7 b2b4 h4h5 d5c4 h5h4 c4d5 <rep>



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