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Subject: Re: Test position

Author: Richard Pijl

Date: 15:57:58 05/08/03

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On May 08, 2003 at 16:54:45, Rex wrote:

>On May 08, 2003 at 16:53:45, Rex wrote:
>
>>Here is a position played by CM9000.  How long before d4 is found!!
>>
>>
>>4rrk1/pb2q2p/1p1p2P1/2pp4/1nP5/1PQ2NP1/P4PBP/R2R2K1 b - - 0 20
>
>[D] 4rrk1/pb2q2p/1p1p2P1/2pp4/1nP5/1PQ2NP1/P4PBP/R2R2K1 b - - 0 20

The Baron (AMD MP 2000+, single CPU) needs 32 seconds to find d4 with a draw
score. Is that what you had in mind?

 ply       time     nodes  score  pv

  4(10)-      0     14543    -41  h7g6 a2a3 d5c4 a3b4
  4(10)&      0     15305    -43  h7g6 a2a3 d5d4 f3d4
  4(10).      0     16202    -43  h7g6 a2a3 d5d4 f3d4
  5( 9)&      0     24228    -43  h7g6 a2a3 d5d4 f3d4 b7g2
  5(12).      0     65096    -43  h7g6 a2a3 d5d4 f3d4 b7g2
  6(11)&      0     85614    -60  h7g6 a2a3 d5d4 f3d4 b7g2 g1g2 c5d4
  6(15).      1    228166    -60  h7g6 a2a3 d5d4 f3d4 b7g2 g1g2 c5d4
  7(16)&      1    301672    -60  h7g6 a2a3 d5d4 f3d4 c5d4 c3b4 b7g2
  7(18).      3    883917    -60  h7g6 a2a3 d5d4 f3d4 c5d4 c3b4 b7g2
  8(18)&      5   1295724    -32  h7g6 a2a3 d5d4 f3d4 c5d4 c3b4 b7g2 g1g2 e7e5
  8(22).     11   2744288    -32  h7g6 a2a3 d5d4 f3d4 c5d4 c3b4 b7g2 g1g2 e7e5
  9(22)&     22   5501602    -17  h7g6 c4d5 e7f7 c3b2 f7f6 b2f6 f8f6 a2a3 b7d5
a3b4 d5f3 g2f3 e8e2
  9(24)>     32   7851007    -16  d5d4
  9(24)&     34   8474756      0  d5d4 f3d4 c5d4 c3b4 b7g2 g1g2 f8f2 g2f2 e7e2
f2g1 e2e3 g1f1 e3f3 f1g1 f3e3 <rep>
  9(24).     39   9586369      0  d5d4 f3d4 c5d4 c3b4 b7g2 g1g2 f8f2 g2f2 e7e2
f2g1 e2e3 g1f1 e3f3 f1g1 f3e3 <rep>
 10(26)&     52  13169535      0  d5d4 f3d4 c5d4 c3b4 b7g2 g1g2 f8f2 g2f2 e7e2
f2g1 e2e3 g1g2 e3e2 g2g1 <rep>
 10(26).     91  22804410      0  d5d4 f3d4 c5d4 c3b4 b7g2 g1g2 f8f2 g2f2 e7e2
f2g1 e2e3 g1g2 e3e2 g2g1 <rep>
 11(29)&    130  33343972      0  d5d4 f3d4 c5d4 c3b4 b7g2 g1g2 f8f2 g2f2 e7e3
f2g2 e3e2 g2g1 e8f8
 11(31).    252  64124829      0  d5d4 f3d4 c5d4 c3b4 b7g2 g1g2 f8f2 g2f2 e7e3
f2g2 e3e2 g2g1 e8f8
 12(33)&    378  97136807      0  d5d4 f3d4 c5d4 c3b4 b7g2 g1g2 f8f2 g2f2 e8f8
f2g2 e7e2 g2g1 e2e3 g1h1 e3f3 h1g1 f3f2 g1h1 f2f3 <rep>

Richard.



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