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Subject: Re: position

Author: Rick Hagen

Date: 23:06:48 10/18/05

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On October 19, 2005 at 01:12:59, Will Singleton wrote:

>[d]5rk1/6p1/P6p/3q4/1b6/2p1QNP1/2B2PKP/8 w - -
>
>The move is Be4.  It's an interesting position due to the material imbalance,
>together with the strength of the a pawn.  Fruit finds a significant advantage
>for white pretty quickly.  Can your prog see a score of at least +0.50 here?
>How about +1?  White appears to be won.


Analysis by Fritz 9:

1.a7--
  ³  (-0.54)   Depth: 7/14   00:00:00  81kN
1.a7
  ³  (-0.54)   Depth: 7/21   00:00:00  131kN
1.Be4!
  ³  (-0.54)   Depth: 7/21   00:00:00  164kN
1.Be4 Qd6
  ³  (-0.47)   Depth: 7/21   00:00:00  193kN
1.Be4!
  =  (-0.19)   Depth: 8/23   00:00:00  304kN
1.Be4 Qd6 2.Qe2 Bc5 3.Qc4+ Kh8
  =  (-0.03)   Depth: 8/24   00:00:00  424kN
1.Be4 Qd6 2.Qe2 Bc5 3.Qc4+ Kh8
  =  (-0.03)   Depth: 9/23   00:00:01  604kN
1.Be4!
  =  (0.25)   Depth: 10/33   00:00:02  1531kN
1.Be4!
  ²  (0.53)   Depth: 10/33   00:00:02  1921kN
1.Be4 Qc4 2.Ne5 Qxa6 3.Bd5+ Kh8 4.Qe4 c2 5.Qxc2 Rf6 6.Nd7 Rf7 7.Qc7 Rxd7 8.Qb8+
Kh7 9.Qg8+ Kg6 10.Qe8+
  ±  (0.89)   Depth: 10/33   00:00:02  2659kN
1.Be4--
  ²  (0.61)   Depth: 11/31   00:00:04  4179kN
1.Be4 Qc5 2.a7 Qxe3 3.fxe3 c2 4.Bd5+ Kh7
  =  (0.00)   Depth: 11/31   00:00:04  5027kN
1.Be4!
  ²  (0.28)   Depth: 12/30   00:00:06  7219kN
1.Be4!
  ²  (0.56)   Depth: 12/32   00:00:07  7892kN
1.Be4 Qc4 2.Ne5 Qxa6 3.Bd5+ Kh8 4.Qe4 c2 5.Qxc2 Rf6 6.Nd7 Be7 7.Nxf6 Bxf6 8.Qg6
Qc8 9.Be4 Qg8
  ±  (0.93)   Depth: 12/38   00:00:09  10416kN
1.Be4 Qd6 2.a7 Bc5 3.Qe2 Bxa7 4.Qa2+ Rf7 5.Bd5 Qc7 6.Qb3 c2 7.Bxf7+ Qxf7 8.Qxc2
Qd5 9.Qc8+ Kh7 10.h4
  ±  (1.00)   Depth: 13/36   00:00:17  20588kN
1.Be4 Qd6 2.a7 Bc5 3.Qe2 Bxa7 4.Qa2+ Rf7 5.Bd5 Qc7 6.Qb3 c2 7.Bxf7+ Qxf7 8.Qxc2
Qd5 9.Qc8+ Kh7 10.h4
  ±  (1.00)   Depth: 14/38   00:00:25  31743kN
1.Be4 Qd6 2.a7 Bc5 3.Qe2 Bxa7 4.Qa2+ Rf7 5.Bd5 Qc7 6.Qb3 c2 7.Bxf7+ Qxf7 8.Qxc2
Qd5
  ±  (1.00)   Depth: 15/40   00:00:56  71429kN
1.Be4 Qd6 2.a7 Bc5 3.Qe2 Bxa7 4.Qa2+ Rf7 5.Bd5 Qc7 6.Qb3 c2 7.Bxf7+ Qxf7 8.Qxc2
Qd5 9.Qg6 Bc5
  ±  (0.98)   Depth: 16/41   00:03:11  236661kN
1.Be4 Qd6 2.a7 Bc5 3.Qe2 Bxa7 4.Qa2+ Rf7 5.Bd5 Qc7 6.Qb3 c2 7.Bxf7+ Qxf7 8.Qxc2
Qd5 9.Qg6 Bc5
  ±  (0.98)   Depth: 17/44   00:06:07  452803kN

(Hagen, Netherlands 19.10.2005)


Of course, this analysis is incorrect because I use "engine mode" instead of
"analysis mode".... (sigh)


Rick



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