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Subject: Re: Endgame test position CM9K MoreFun

Author: Chessfun

Date: 15:27:48 02/09/04

Go up one level in this thread


On February 09, 2004 at 17:48:51, Kurt Utzinger wrote:

>Thinking....
>
>  +---+---+---+---+---+---+---+---+  End 1 - Pos 1
>8 |   |   |   |   |   |   |   |   |
>  +---+---+---+---+---+---+---+---+  00:00:00      00:00:00
>7 | *p| *B| B |   |   |   | *K| *p|
>  +---+---+---+---+---+---+---+---+
>6 |   |   |   |   |   |   | *p|   |  Time          fixed:
>  +---+---+---+---+---+---+---+---+  Hash          28 Mb
>5 |   | *p|   |   |   |   |   |   |  Engine        Rebel 12
>  +---+---+---+---+---+---+---+---+  Personality   rebel.eng
>4 |   |   |   |   | p |   |   |   |  anti-GM       Off
>  +---+---+---+---+---+---+---+---+  Tactics       Off
>3 | p |   |   | p |   |   |   |   |  Bluff Chess   Off
>  +---+---+---+---+---+---+---+---+  Style         Normal
>2 |   |   |   |   |   |   | p | p |  Strength      Strongest
>  +---+---+---+---+---+---+---+---+  Search        Nullmove
>1 |   |   |   |   |   |   | K |   |
>  +---+---+---+---+---+---+---+---+
>    a   b   c   d   e   f   g   h
>
>[D]8/pbB3kp/6p1/1p6/4P3/P2P4/6PP/6K1 b - -
>Which engine can find the drawing move 37...b4!!

XP 2600+
Normal CM9K I get same line as here in 14 secs but at 46 secs.

In both cases though the score is none too convincing.

New game
8/pbB3kp/6p1/1p6/4P3/P2P4/6PP/6K1 b - - 0 1

Analysis by CM9K MoreFun:

1...Kf6 2.Kf2 Bc6 3.Ke3
  ±  (1.36)   Depth: 3   00:00:00
1...Kf6 2.Kf2 Bc6 3.Ke3
  ±  (1.36)   Depth: 4   00:00:00
1...Kf6 2.Kf2 Ke7 3.Ke3 Kd7
  +-  (1.41)   Depth: 5   00:00:00
1...Kf6 2.Kf2 Ke7 3.Ke3 Kd7 4.Ba5 Bc6
  ±  (1.13)   Depth: 6   00:00:00  11kN
1...Kf6 2.Kf2 Ke7 3.Ke3 Kd7 4.Ba5 Bc6 5.d4
  ±  (1.26)   Depth: 7   00:00:00  19kN
1...Kf6 2.Kf2 Ke7 3.Ke3 Kd7 4.Ba5 Bc6 5.d4
  ±  (1.26)   Depth: 8   00:00:00  34kN
1...Kf6 2.Kf2 Ke7 3.Ke3 Kd7 4.Ba5 Bc6 5.d4 h6 6.d5
  ±  (1.38)   Depth: 9   00:00:00  69kN
1...Kf6 2.Kf2 Ke7 3.Ke3 Kd7 4.Ba5 g5 5.d4 h5 6.d5 Kd6
  ±  (1.37)   Depth: 10   00:00:00  172kN
1...Kf6 2.Kf2 Ke7 3.Ke3 Kd7 4.Ba5 h6 5.d4 Kd6 6.Bb4+ Kd7 7.d5 Bc8
  +-  (1.50)   Depth: 11   00:00:00  334kN
1...Kf6 2.Kf2 Ke7 3.Ke3 Bc6 4.d4 Be8 5.Ba5 Kd7 6.d5 Bf7 7.Kd4 Kd6
  +-  (1.54)   Depth: 12   00:00:01  724kN
1...Kf6 2.Kf2 Ke7 3.Ke3 Bc6 4.d4 Be8 5.d5 Kd7 6.Ba5 Kd6 7.Bb4+ Kd7 8.e5
  +-  (1.67)   Depth: 13   00:00:03  1607kN
1...Kf6 2.Kf2 Ke7 3.Ke3 Bc6 4.d4 Be8 5.d5 Kd7 6.Ba5 Kd6 7.Bb4+ Ke5 8.Be7 Bd7
  +-  (1.80)   Depth: 14   00:00:07  3499kN
1...Ba6 2.d4 b4 3.axb4 Bd3 4.e5 Kf7 5.Kf2 Ke6 6.Ke3 Bc4 7.Bb8 a6 8.Bd6 Bd5
  +-  (1.76)   Depth: 14   00:00:14  6827kN
1...Ba6 2.d4 b4 3.axb4 Bd3 4.e5 Bc4 5.Kf2 Kf7 6.Bd6 Ke6 7.Bc5 a6 8.Ke3 Bd5
  +-  (1.78)   Depth: 15   00:00:25  11765kN
1...Ba6 2.d4 b4 3.axb4 Bd3 4.e5 Bc4 5.Kf2 Kf7 6.Bd6 Ke6 7.Ke3 Bd5 8.g3 h6 9.b5
  +-  (1.70)   Depth: 16   00:01:13  32096kN
1...Ba6 2.d4 b4 3.axb4 Bd3 4.e5 Bc4 5.Kf2 Kf7 6.Ke3 Bd5 7.g3 Ke6 8.Bd8 h6 9.b5
g5
  +-  (1.74)   Depth: 17   00:02:25  63620kN

(Bird, Barrie 09.02.2004)



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