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Subject: Re: Positional test - Paralyzing the Knight

Author: Enrique Irazoqui

Date: 08:37:30 02/28/01

Go up one level in this thread


On February 28, 2001 at 11:12:09, Sune Larsson wrote:

>
>  [D]4n3/1b3k1p/p2p2p1/3Pp3/2P3P1/6PP/2BB4/6K1 w - - 0 1
>
>  This is Hort-Ciocaltea, Budapest 1973. Only two moves are required
>  to immobilize the black knight and pave the way for the victorious
>  march of the white king to the deserted queenside:
>
>  1.g5! Bc8 2.g4! and black's position is ripe for resignation.
>
>  Test: The above move order should be rewarded with big +scores for white.
>
>  Sune

This one took a whopping 1 second. The eval is climbing, but so is my
impatience. :)

New position
4n3/1b3k1p/p2p2p1/3Pp3/2P3P1/6PP/2BB4/6K1 w - - 0 1

Analysis by DEEP FRITZ   :

1.Bxg6+--
  -+  (-2.03)   Depth: 1/3   00:00:00
1.Bxg6+-- Kxg6
  -+  (-2.81)   Depth: 1/3   00:00:00
1.c5!
  -+  (-2.09)   Depth: 1/3   00:00:00
1.c5! Bxd5
  -+  (-1.75)   Depth: 1/5   00:00:00
1.Kf2!
  µ  (-0.75)   Depth: 1/5   00:00:00
1.Kf2!
  =  (-0.25)   Depth: 1/5   00:00:00
1.Kf2 Nf6
  ³  (-0.37)   Depth: 2/5   00:00:00
1.Kf2 Nf6 2.Be3
  =  (-0.22)   Depth: 3/6   00:00:00
1.Kf2 Nf6 2.Be3 Ke7
  =  (-0.22)   Depth: 4/8   00:00:00
1.Kf2 Bc8 2.Be3 Nf6 3.g5
  =  (-0.12)   Depth: 5/11   00:00:00  1kN
1.Kf2 Bc8 2.Be3 Nf6 3.g5 Nd7
  =  (-0.12)   Depth: 6/12   00:00:00  3kN
1.Kf2 Bc8 2.Be3 h5 3.gxh5 gxh5 4.Kg2 Nf6
  =  (-0.19)   Depth: 7/16   00:00:00  15kN
1.Kf2 Bc8 2.Bb4 Bd7 3.c5 dxc5 4.Bxc5 Nf6 5.Bd3
  =  (-0.12)   Depth: 8/17   00:00:00  35kN
1.Kf2 Ke7 2.Be3 Bc8 3.Kf3 Nf6 4.g5 Nd7 5.Ke4
  =  (-0.09)   Depth: 9/21   00:00:00  88kN
1.Kf2 Bc8 2.Bb4 h5 3.gxh5 gxh5 4.Kg2 Bd7 5.Bd1 Kg6 6.c5 dxc5
  =  (0.00)   Depth: 10/20   00:00:00  188kN
1.Kf2 Bc8 2.Bb4 h5 3.gxh5 gxh5 4.Kg2 Bd7 5.c5 dxc5 6.Bxc5 Nf6
  =  (-0.12)   Depth: 11/21   00:00:00  421kN
1.g5!
  =  (-0.09)   Depth: 11/23   00:00:01  626kN
1.g5 Bc8 2.g4 Ke7 3.Kf2 Bd7 4.Be4 Ba4 5.Be3 Bb3 6.c5 dxc5
  =  (0.03)   Depth: 12/22   00:00:01  935kN
1.g5 Bc8 2.g4 Ke7 3.Kf2 Nc7 4.Be3 Bb7 5.h4 Bc8 6.h5 Kf7
  =  (0.09)   Depth: 13/24   00:00:02  1495kN
1.g5 Bc8 2.g4 Ke7 3.Kf2 Bb7 4.Be3 a5 5.Bb6 Ba6 6.Bxa5 Bxc4
  =  (0.13)   Depth: 14/25   00:00:04  2463kN
1.g5 Bc8 2.g4 Ke7 3.Kf2 Bb7 4.Be3 Nc7 5.h4 Bc8 6.h5 Kf7
  =  (0.19)   Depth: 15/29   00:00:08  4569kN
1.g5 Bc8 2.g4 Ke7 3.Kf2 Bb7 4.Be3 Ng7 5.h4 a5 6.Bb6 Ba6
  =  (0.16)   Depth: 16/28   00:00:12  6746kN
1.g5 Bc8 2.g4 Ke7 3.Kf2 Nc7 4.Ba5 Ne8 5.Bb6 Bb7
  ²  (0.28)   Depth: 17/30   00:00:39  22594kN
1.g5 Bc8 2.g4 Ke7 3.Kf2 Nc7 4.Kf3 Bb7 5.h4 Ne8 6.Be3 Kf7
  ²  (0.34)   Depth: 18/33   00:01:18  45587kN

(Irazoqui, Cadaqués 28.02.2001)



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