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Subject: Re: Position from Kramnik-Leko

Author: Christian Koch

Date: 01:22:52 08/31/05

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On August 31, 2005 at 03:54:42, Bernhard Bauer wrote:

>The following position is from Brissagio, Kramnik vs Leko, Marshall Attack.
>
>[D]6k1/5p1p/P1pb1nq1/6p1/3P4/1BP2PP1/1P1Nb2P/R1B3K1 b
>
>
>Black played Qd3.
>
>This move is found by
>Zappa 1.1    0:39 min
>Toga2        1:08
>Fruit 2.1    1:50
>SOS 5.1      0:19
>Ruffian 1.05 0:04
>Anmon 5.5    1:44
>Spike 10     0:12
>Crafty 20.0  0:12
>
>While Crafty is pretty good in finding the right move, the score stays
>at -0.01 for 5:00 min at a Athlon XP 1800 MHz. Other engines give a much better
>score in less time.
>
>Kind regards
>Bernhard

Yace 0.99.87 on AMD XP2000+

         7   0.003  -1.27  1t  1...Bxf3 2.Nxf3 {-9}
        20   0.005  -0.85  1t  1...Bxa6 2.Rxa6 {-9}
        29   0.006   1.81  1t  1...Nd5 2.Bxd5 cxd5 {271}
        32   0.008   1.98  1t  1...Qd3 {261}
        62   0.010   1.98  1.  1...Qd3 {261}
       290   0.012   1.82  2t  1...Qd3 2.Ne4 {261}
       879   0.015   1.82  2.  1...Qd3 2.Ne4 {261}
      1006   0.016   1.40  3-- 1...Qd3 2.Ne4 Nxe4 3.fxe4H {261}
      1860   0.019   0.17  3-- 1...Qd3 2.a7 Qe3+ 3.Kg2 Bxf3+ 4.Nxf3 Bxg3 {71}
      2387   0.021  -1.18  3t  1...Qd3 2.a7 Qe3+ 3.Kg2 Bxf3+ 4.Nxf3 Qe2+ 5.Kg1
                               {-9}
      2476   0.024  -1.17  3t+ 1...Nd5 2.Ne4 {261}
      3253   0.027  -0.81  3t  1...Nd5 2.a7 Nc7 3.a8=Q+ Nxa8 4.Rxa8+ Kg7 {1}
      8985   0.036  -0.81  3.  1...Nd5 2.a7 Nc7 3.a8=Q+ Nxa8 4.Rxa8+ Kg7 {1}
     11931   0.042  -1.25  4-- 1...Nd5 2.Bxd5 Bxg3 3.hxg3 cxd5H {1}
     13987   0.047  -1.92  4t  1...Nd5 2.Bxd5 Bxa6 3.Bxc6 Qc2 {-79}
     29128   0.067  -1.88  4t+ 1...Nd7 2.a7 Nb6 3.Ra6
     29988   0.070  -0.97  4t  1...Nd7 2.a7 Nb6 3.a8=Q+ Nxa8 4.Rxa8+ Bf8H
                               5.Re8H {1}
     34550   0.078  -0.97  4.  1...Nd7 2.a7 Nb6 3.a8=Q+ Nxa8 4.Rxa8+ Bf8 5.Re8
                               {1}
     36550   0.084  -1.37  5-- 1...Nd7 2.a7 Nb6 3.a8=Q+ Nxa8 4.Rxa8+ Bb8
                               5.Rxb8+ Kg7 {-349}
     39089   0.091  -1.94  5t  1...Nd7 2.a7 Nb6 3.a8=Q+ Nxa8 4.Rxa8+ Kg7 5.Ra7
                               Qd3 6.Bxf7 {-79}
     90421   0.150  -1.93  5t+ 1...Bb8 2.a7 Bxa7 3.Rxa7 Nd5 4.Ra4 {-9}
     92535   0.155  -1.28  5t  1...Bb8 2.a7 Bxa7 3.Rxa7 Nd5 4.Ra8+ Kg7 5.Re8
                               {-9}
     93435   0.159  -1.28  5.  1...Bb8 2.a7 Bxa7 3.Rxa7 Nd5 4.Ra8+ Kg7 5.Re8
                               {-9}
    107942   0.181  -1.31  6t  1...Bb8 2.a7 Bxa7 3.Rxa7 Nd5 4.c4 Ne3 5.Re7 {-9}
    207175   0.279  -1.31  6.  1...Bb8 2.a7 Bxa7 3.Rxa7 Nd5 4.c4 Ne3 5.Re7 {-9}
    228565   0.306  -1.55  7t  1...Bb8 2.a7 Bxa7 3.Rxa7 Nd5 4.c4 Ne3 5.c5 Nd5
                               6.Bxd5 cxd5 {1}
    497695   0.579  -1.55  7.  1...Bb8 2.a7 Bxa7 3.Rxa7 Nd5 4.c4 Ne3 5.c5 Nd5
                               6.Bxd5 cxd5 {1}
    569110   0.667  -1.55  8t  1...Bb8 2.a7 Bxa7 3.Rxa7 Nd5 4.c4 Ne3 5.c5 Nd5
                               6.Bxd5 cxd5H {1}
   1316906   1.451  -1.55  8.  1...Bb8 2.a7 Bxa7 3.Rxa7 Nd5 4.c4 Ne3 5.c5 Nd5
                               6.Bxd5 cxd5 {1}
   1494674   1.662  -1.55  9t  1...Bb8 2.a7 Bxa7 3.Rxa7 Nd5 4.c4 Ne3 5.c5 Nd5
                               6.Bxd5 cxd5 {1}
   3547579   3.990  -1.55  9.  1...Bb8 2.a7 Bxa7 3.Rxa7 Nd5 4.c4 Ne3 5.c5 Nd5
                               6.Bxd5 cxd5 {1}
   4356703   5.012  -1.67 10t  1...Bb8 2.a7 Bxa7 3.Rxa7 Nd5 4.c4 Ne3 5.c5 Nd5
                               6.Bxd5 cxd5 7.b4 {1}
  12600758  16.552  -1.66 10t+ 1...Qd3 2.a7 Qe3+ 3.Kg2 Bxf3+ 4.Nxf3 Qe2+ 5.Kg1
                               Ne4 6.a8=Q+ Kg7 7.Qf8+ Bxf8 8.Nxg5 Nxg5 9.Bxf7
                               {251}
  15407032  20.748  -1.15 10++ 1...Qd3 2.a7 Qe3+ 3.Kg2 Bxf3+ 4.Nxf3 Qe2+ 5.Kg1
                               Ne4 6.a8=Q+ Kg7 7.Qf8+ Bxf8 8.Nxg5 Nxg5 9.Bxf7
                               {251}
  20149408  27.443  -0.15 10++ 1...Qd3 2.a7 Qe3+ 3.Kg2 Bxf3+ 4.Nxf3 Qe2+ 5.Kg1
                               Ne4 6.a8=Q+ Kg7 7.Qf8+ Bxf8 8.Bxg5 Nxg5 9.Bxf7
                               {261}
  35720363  47.570   1.95 10t  1...Qd3 2.Bd1 Qe3+ 3.Kg2 Bb8 4.Bxe2 Qxe2+ 5.Kh1
                               Qe1+ 6.Kg2 Nd5 7.c4 Ne3+ 8.Kh3 Bd6 {261}
  36739981  48.896   1.95 10.  1...Qd3 2.Bd1 Qe3+ 3.Kg2 Bb8 4.Bxe2 Qxe2+ 5.Kh1
                               Qe1+ 6.Kg2 Nd5 7.c4 Ne3+ 8.Kh3 Bd6 {261}
  60207879  1:18.8   2.10 11t  1...Qd3 2.a7 Qe3+ 3.Kg2 Bxf3+ 4.Nxf3 Qe2+ 5.Kg1
                               Ng4 6.a8=Q+ Kg7 7.Be3 Qxe3+ 8.Kg2H Qf2+H 9.Kh3H
                               Nxh2H 10.Rg1H Nxf3H 11.Rg2H {HT} {-160}
  62330715  1:21.5   2.10 11.  1...Qd3 2.a7 Qe3+ 3.Kg2 Bxf3+ 4.Nxf3 Qe2+ 5.Kg1
                               Ng4 6.a8=Q+ Kg7 7.Be3 Qxe3+ 8.Kg2 Qf2+ 9.Kh3
                               Nxh2 10.Rg1 Nxf3 11.Rg2 {HT} {-160}
 106509049  2:21.4   2.50 12++ 1...Qd3 2.a7 Qe3+ 3.Kg2 Bxf3+ 4.Nxf3 Qe2+ 5.Kg1
                               Ng4 6.a8=Q+ Kg7 7.Be3 Qxe3+ 8.Kg2 Qf2+ 9.Kh3
                               Nxh2 10.Rg1 g4+ 11.Kh4 Nxf3+ 12.Kh5 Nxg1
                               13.Bxf7 Qxf7+ 14.Kxg4 {530}



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