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Subject: Re: Another Test Position IV (YasgacI-31): Boep-Filip, Belgien 1972, Bxg6!!

Author: Steffen Jakob

Date: 00:15:36 02/06/01

Go up one level in this thread


On February 05, 2001 at 19:02:26, Arturo Ochoa wrote:

>[D]r1b5/p2k1r1p/3P2pP/1ppR4/2P2p2/2P5/P1B4P/4R1K1 w - -
>
>
>Main Line: 1. Bxg6!! hxg6 2. Re7+ Rxe7 3. dxe7+ Kxe7 4. Rd8! Kxd8 5. h7 1-0
>
>Neither the Programs that I have tested (Fritz, Rebel, Hiarcs, Junior, Gromit,
>LambChop, Diep2) can solve the position. They can only "see" the weak move 1.
>cxb5?
>
>Tell me if I am wrong.

Hossa wants to play Bxg6 after 32 seconds on my Celeron 430:

 depth   value    time    nodes pv
    1    +1.13    0.07        2 1.c4xb5
   <1>   +1.13    0.13      106 1.c4xb5
    2    +0.87    0.13      135 1.c4xb5 c8b7
   <2>   +0.87    0.21      901 1.c4xb5 c8b7
    3    +0.85    0.23     1104 1.c4xb5 c8b7 2.d5d2
   <3>   +0.85    0.34     3291 1.c4xb5 c8b7 2.d5d2
    4    +0.58    0.35     3747 1.c4xb5 c8b7 2.d5d2 f3
   <4>   +0.58    0.67    14192 1.c4xb5 c8b7 2.d5d2 f3
    5    +0.70    0.76    16688 1.c4xb5 c8b7 2.d5d1 f3 3.g1f2
   <5>   +0.70    1.28    37417 1.c4xb5 c8b7 2.d5d1 f3 3.g1f2
    6    +0.67    1.57    47093 1.c4xb5 c8b7 2.d5d2 f3 3.c2b3 f7f5
   <6>   +0.67    3.25   120530 1.c4xb5 c8b7 2.d5d2 f3 3.c2b3 f7f5
    7    +0.76    4.67   180071 1.c4xb5 f3 2.d5d2 a8b8 3.c2b3 f2
                                4.d2xf2 f7xf2 5.g1xf2 d7xd6
   <7>   +0.76    7.81   327246 1.c4xb5 f3 2.d5d2 a8b8 3.c2b3 f2
                                4.d2xf2 f7xf2 5.g1xf2 d7xd6
    8    +0.81    9.59   407553 1.c4xb5 f3 2.d5d2 c8b7 3.c2b3 f2
                                4.d2xf2 f7xf2 5.b3e6 d7xd6 6.g1xf2
   <8>   +0.81   15.57   680562 1.c4xb5 f3 2.d5d2 c8b7 3.c2b3 f2
                                4.d2xf2 f7xf2 5.b3e6 d7xd6 6.g1xf2
    9    +0.82   19.21   844771 1.c4xb5 f3 2.d5d2 c8b7 3.g1f2 c4
                                4.c2e4 b7xe4 5.e1xe4 a8b8
  9/9    +1.00   32.45  1439038 1.c2xg6 h7xg6 2.e1e7 f7xe7 3.d6xe7 d7xe7
                                4.d5d8 e7xd8 5.h7 d8d7 6.h7h8Q b5xc4
                                7.h8h7 d7d6 8.h7xg6 c8e6
   <9>   +1.00   32.66  1452667 1.c2xg6 h7xg6 2.e1e7 f7xe7 3.d6xe7 d7xe7
                                4.d5d8 e7xd8 5.h7 d8d7 6.h7h8Q b5xc4
                                7.h8h7 d7d6 8.h7xg6 c8e6
   10    +1.29   37.29  1656899 1.c2xg6 h7xg6 2.e1e7 f7xe7 3.d6xe7 d7xe7
                                4.d5d8 e7xd8 5.h7 d8d7 6.h7h8Q b5xc4
                                7.h8f6 c8b7 8.f6xf4
  <10>   +1.29   59.73  2771747 1.c2xg6 h7xg6 2.e1e7 f7xe7 3.d6xe7 d7xe7
                                4.d5d8 e7xd8 5.h7 d8d7 6.h7h8Q b5xc4
                                7.h8f6 c8b7 8.f6xf4

Greetings,
Steffen.



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