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Subject: Re: Analysis help ...

Author: Dann Corbit

Date: 22:58:10 07/30/04

Go up one level in this thread


On July 30, 2004 at 13:54:15, Jim Monaghan wrote:

>Hi,
>
>I would like some analysis help from the group with those of you with fast
>machines. I've posted 4 positions below in pgn format so you can simply copy and
>paste into your favourite engine. If you go up and down the solution tree you
>might spot a "hole" in the solution. My machine is simply too slow. The
>positions are fairly intricate. Thanks in advance.
[snip]
>[D]r2r4/pp3p2/4bkpp/8/7P/3B1P2/PP4P1/1K1R3R b - -
>
>[Event "?"]
>[Site "?"]
>[Date "0000.??.??"]
>[Round "?"]
>[White "IQ.1149"]
>[Black "?"]
>[Result "*"]
>[SetUp "1"]
>[FEN "r2r4/pp3p2/4bkpp/8/7P/3B1P2/PP4P1/1K1R3R b - -"]
>
>1... Rxd3 2. Rxd3 Bf5 3. Rhd1 Rd8 4. Kc2 g5 5. hxg5+ Kxg5 6. g3 h5 7. Kc3 Rxd3+
>8. Rxd3 Bxd3 9. Kxd3 f5 10. Ke3 f4+ 11. Kf2 b5  *

Shredder likes Rxd3 briefly, then changes his mind:

3) Rxd3; id "JM-pawn en
    Searching move: Rd8xd3
    Best move (Shredder 7.04 UCI): Ra8-c8
    Not found in: 16:39

   illegal command
    2-  00:00  0.08   Kf6e5 Rh1e1+ Ke5d4
    2   00:00  0.06   Kf6e5 Rh1e1+ Ke5d4
    2   00:00  0.30   Ra8c8 g2g3
    3   00:00  0.30   Ra8c8 g2g3
    4   00:00  0.30   Ra8c8 g2g3
    4+  00:00  0.31   Be6f5 Bd3xf5 Kf6xf5 g2g4+ Kf5f4 Kb1c2
    4   00:00  0.43   Be6f5 Bd3xf5 Kf6xf5 Rh1e1 Rd8xd1+ Re1xd1 Ra8c8
    5   00:00  0.31   Be6f5 Bd3xf5 Kf6xf5 Rh1e1 Ra8c8 g2g4+ Kf5f4
    5+  00:00  0.32   Rd8d7 Bd3xg6 f7xg6
    5   00:00  0.38   Rd8d7 Bd3e4 Ra8d8 Rd1xd7 Rd8xd7 Rh1c1
    6   00:00  0.34   Rd8d7 Bd3b5 Rd7c7 g2g4 Ra8c8 Rh1e1
    7   00:00  0.37   Rd8d7 Bd3e4 Ra8d8 Rd1xd7 Rd8xd7 g2g3 Kf6e5 Rh1c1
    8   00:00  0.37   Rd8d7 Bd3e4 Ra8d8 Rd1xd7 Rd8xd7 Rh1c1 Kf6e5 g2g3 b7b6
    9   00:00  0.37   Rd8d7 Bd3e4 Ra8d8 Rd1xd7 Rd8xd7 g2g4 b7b6 f3f4
   10   00:01  0.36   Rd8d7 Bd3b5 Rd7d5 Rd1xd5 Be6xd5 Rh1e1 Ra8d8 Kb1a1
   10+  00:01  0.37   Rd8xd3 Rd1xd3 Be6f5 Rh1d1 Ra8d8 Kb1c2 Rd8c8+ Kc2d2 Bf5xd3
Kd2xd3 Rc8d8+ Kd3c2 Rd8xd1 Kc2xd1
   10   00:01  0.37   Rd8xd3 Rd1xd3 Be6f5 Rh1d1 g6g5 h4xg5+ Kf6xg5
   11   00:01  0.37   Rd8xd3 Rd1xd3 Be6f5 Rh1d1 Ra8d8 Kb1c2 Rd8c8+ Kc2d2 Bf5xd3
Kd2xd3 Rc8d8+ Kd3c2 Rd8xd1 Kc2xd1
   12   00:03  0.20   Rd8xd3 Rd1xd3 Be6f5 Rh1d1 Ra8d8 Kb1c2 Rd8c8+ Kc2b3 Bf5xd3
Rd1xd3 g6g5 h4xg5+ h6xg5 Rd3d7
   12+  00:03  0.21   Rd8d7 b2b3 Ra8d8 Kb1c2 Rd8c8+ Kc2b2 b7b6 g2g3 Rc8d8 Rh1e1
Rd7xd3
   12   00:04  0.34   Rd8d7 b2b3 Ra8d8 Kb1c2 Rd7xd3 Rd1xd3 Be6f5 Rh1d1 Rd8c8+
Kc2d2 Bf5xd3 Kd2xd3 Rc8d8+ Kd3c2 Rd8xd1 Kc2xd1
   13   00:08  0.26   Rd8d7 b2b3 Ra8d8 Kb1c2 a7a5 g2g3 a5a4 b3xa4 Be6xa2 Kc2c3
Ba2b3
   13+  00:12  0.27   b7b6 Bd3a6 Rd8xd1+ Rh1xd1 g6g5 h4xg5+ h6xg5 b2b3 Ra8h8
Kb1c2 Rh8h2 Rd1d2 Kf6e5 Rd2e2+ Ke5f4 Ba6d3 Kf4g3 Re2d2
   13   00:17  0.32   b7b6 g2g3 Ra8c8 Rh1e1 a7a5 Kb1a1 Be6f5 Bd3xf5 Kf6xf5
Rd1xd8 Rc8xd8 Re1e7 f7f6
   13+  00:21  0.33   Ra8c8 g2g3 b7b6 Rh1e1 a7a5 Kb1a1 Be6f5 Bd3xf5 Kf6xf5
Rd1xd8 Rc8xd8 Re1e7 f7f6
   13   00:24  0.34   Ra8c8 g2g3 a7a5 Bd3e4 b7b5 Rd1xd8 Rc8xd8 Kb1c2 Rd8c8+
Kc2d2 Kf6e5 Rh1e1 Be6d5
   14   00:29  0.32   Ra8c8 g2g3 b7b6 Bd3e4 Rd8xd1+ Rh1xd1 g6g5 b2b3 g5xh4 g3xh4
Kf6e5 Kb1b2 Rc8g8 Kb2c3 f7f5 Be4b7 Rg8g2
   15   00:47  0.38   Ra8c8 g2g3 b7b6 Bd3e4 Rd8xd1+ Rh1xd1 g6g5 Rd1h1 Kf6e5
Rh1e1 Ke5d4 h4xg5 h6xg5 Be4b7 Rc8c7
   16   01:14  0.34   Ra8c8 g2g3 b7b6 Bd3e4 Rd8xd1+ Rh1xd1 g6g5 h4xg5+ h6xg5
a2a3 Rc8h8 Kb1c2 Rh8h3 g3g4 Kf6e5 Be4b7 f7f5
   17   02:03  0.35   Ra8c8 g2g3 b7b6 Bd3e4 Rd8xd1+ Rh1xd1 g6g5 h4xg5+ h6xg5
a2a3 Rc8h8 Kb1c2 Rh8h3 g3g4 Kf6e5 Be4b7 a7a5 Rd1e1+ Ke5f4
   18   03:39  0.31   Ra8c8 g2g3 b7b6 Bd3e4 Rd8xd1+ Rh1xd1 g6g5 h4xg5+ h6xg5
a2a3 Rc8h8 Kb1c2 Rh8h3 g3g4 Kf6e5 Rd1e1
   19   09:41  0.29   Ra8c8 g2g3 b7b6 Bd3e4 Rd8xd1+ Rh1xd1 g6g5 h4xg5+ h6xg5
a2a3 Rc8h8 Kb1c2 Rh8h3 g3g4 Kf6e5 Rd1e1
   7/30/2004 9:51:51 PM, Time for this analysis: 00:16:39, Rated time: 43:41
[snip]



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