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Subject: Re: Endgame test position Fritz 8.0.0.26 b4 3 secs

Author: Chessfun

Date: 15:32:15 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+

Analysis by Fritz 8:

1...Kf6 2.Kf2 Ke6 3.Ke3 Kd7 4.Be5 a6
  ±  (1.10)   Depth: 7/12   00:00:00  6kN
1...Kf6 2.Kf2 Ke6 3.Ke3 Kd7 4.Be5 a6 5.d4
  ±  (1.35)   Depth: 8/12   00:00:00  15kN
1...Kf6 2.Kf2 Ke6 3.Ke3 Kd7 4.Be5 a6 5.d4 Ke6
  ±  (1.28)   Depth: 9/14   00:00:00  39kN
1...Kf6 2.Kf2 Ke6 3.Ke3 Kd7 4.Be5 a6 5.d4 Ke6 6.h3
  ±  (1.35)   Depth: 10/15   00:00:00  91kN
1...Kf6 2.Kf2 Ke6 3.Ke3 Kd7 4.Be5 a5 5.Bc3 Kd6 6.Bxa5 Bc8 7.Bb4+
  ±  (1.38)   Depth: 11/16   00:00:00  205kN
1...Kf6 2.Kf2 Ke6 3.Ke3 Kd7 4.Be5 a6 5.d4 Ke6 6.h3 h5 7.Kf4
  +-  (1.41)   Depth: 12/18   00:00:00  469kN
1...Kf6 2.Kf2 Ke6 3.Ke3 Kd7 4.Be5 Ke6 5.d4 a5 6.Bg7 b4 7.d5+ Ke7 8.a4
  ±  (1.28)   Depth: 13/21   00:00:01  1056kN
1...Kf6 2.Kf2 Ke6 3.Ke3 Kd7 4.Be5 Ke6 5.d4 a5 6.Bg7 Kf7 7.Bh8 Ke6 8.d5+ Kd6
  ±  (1.32)   Depth: 14/22   00:00:02  1988kN
1...b4!
  ±  (1.28)   Depth: 14/23   00:00:03  3137kN
1...b4 2.axb4 Ba6 3.Kf2 Bxd3 4.Ke3 Bf1 5.g4 Kf6 6.Kd4 Ke6 7.Be5 a6
  ±  (1.19)   Depth: 15/31   00:00:04  4574kN
1...b4 2.axb4 Ba6 3.Kf2 Bxd3 4.Ke3 Bf1 5.g4 Kf6 6.Kd4 Ke6 7.Be5 a6
  ±  (1.13)   Depth: 16/33   00:00:11  10309kN
1...b4 2.axb4 Ba6 3.Kf2 Bxd3 4.Ke3 Bf1 5.g4 Kf6 6.Kd4 Ke6 7.g5 a6 8.Be5 Bg2
  ±  (1.16)   Depth: 17/35   00:00:22  17977kN
1...b4 2.axb4 Ba6 3.Kf2 Bxd3 4.Ke3 Bf1 5.g4 Kf6 6.Kd4 Ke6 7.g5 a6 8.Be5 Bb5 9.h3
Bf1
  ±  (1.13)   Depth: 18/42   00:00:40  32823kN
1...b4 2.axb4 Ba6 3.Kf2 Bxd3 4.Ke3 Bf1 5.g4 Kf6 6.Kd4 Ke6 7.g5 a6 8.Be5 Bb5 9.h3
Bf1
  ±  (1.16)   Depth: 19/38   00:01:05  56765kN
1...b4 2.axb4 Ba6 3.Kf2 Bxd3 4.Ke3 Bf1 5.g4 Kf6 6.Kd4 Ke6 7.g5 a6 8.Be5
  ±  (1.19)   Depth: 20/46   00:02:04  115433kN

(Bird, Barrie 09.02.2004)



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