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Subject: Re: A Move By Paul Morphy...

Author: Richard Pijl

Date: 06:23:54 05/19/03

Go up one level in this thread


On May 17, 2003 at 11:17:47, Art Basham wrote:

>Here black played ....QxB, and went on to win...!
>
>I noticed that my RexChess program does play this move at only 7 ply!
>
>[D]4r1k1/p1pb1ppp/Qbp1r3/8/1P6/2Pq1B2/R2P1PPP/2B2RK1 b - -
>
>However, Some engines and programs will not play QxB....:-)
>
>Was Paul Morphy just "lucky" most of the time, or was he really a chess
>genius...!?
>
>I will let you be the judge...!

The Baron 1.0 needs 91 seconds on a PIII-500:

 ply       time     nodes  score  pv

  4(10).      0     10257    -17  d3a6 a2a6 d7c8 a6a2 f7f5
  5(10)&      0     15217     -3  d3a6 a2a6 c6c5 f3g4 e6e7 g4d7
  5(13).      0     27404     -3  d3a6 a2a6 c6c5 f3g4 e6e7 g4d7
  6(13)&      0     49142     10  d3a6 a2a6 e6e1 a6a1 e1f1 g1f1 c6c5 d2d3 c5b4
  6(15).      1     76658     10  d3a6 a2a6 e6e1 a6a1 e1f1 g1f1 c6c5 d2d3 c5b4
  7(14)+      1    122400     45  d3a6 a2a6 c6c5 b4c5 d7b5 c5b6 b5a6 b6a7 a6f1
  7(14)&      1    150328     55  d3a6 a2a6 c6c5 f3g4 d7b5 g4e6 e8e6 a6a3
  7(19).      3    255083     55  d3a6 a2a6 c6c5 f3g4 d7b5 g4e6 e8e6 a6a3
  8(16)+      4    353436     90  d3a6 a2a6 c6c5 f3g4 c5b4 c3b4 e6e7 g4d7 e7d7
a6b6 a7b6
  8(16)&      4    369956     90  d3a6 a2a6 c6c5 b4c5 d7b5 c5b6 b5a6 b6a7 a6f1
g1f1
  8(22).      7    571626     90  d3a6 a2a6 c6c5 b4c5 d7b5 c5b6 b5a6 b6a7 a6f1
g1f1
  9(19)&     10    882177     97  d3a6 a2a6 c6c5 b4c5 d7b5 c5b6 b5a6 b6a7 a6f1
a7a8q e8a8
  9(27).     17   1418330     97  d3a6 a2a6 c6c5 b4c5 d7b5 c5b6 b5a6 b6a7 a6f1
a7a8q e8a8
 10(22)&     29   2425023     65  d3a6 a2a6 c6c5 f3g4 c5b4 g4e6 e8e6 c3b4 b6f2
g1f2 e6a6 d2d3
 10(30)>     91   6701628     66  d3f3
 10(30)&     98   7189062     89  d3f3 g2f3 e6g6 g1h1 d7h3 a6d3 b6f2 d3g6 f7g6
f1d1 e8e2 c1b2 h3f5
 10(30).    136   9747838     89  d3f3 g2f3 e6g6 g1h1 d7h3 a6d3 b6f2 d3g6 f7g6
f1d1 e8e2 c1b2
 11(33)+    197  14623333    124  d3f3 g2f3 e6g6 g1h1 d7h3 a6d3 f7f5 d3c4 g8f8
c4f4 h3f1 f4f5 f8g8 h2h3 b6f2



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