Author: Robert Hyatt
Date: 05:11:12 03/09/99
Go up one level in this thread
On March 09, 1999 at 02:55:58, Steffen Jakob wrote:
>Hi!
>
>Today Hossa lost a game in the following position because he didn't take care
>enough of his king:
>
>4r1k1/1Bpq1ppp/1bNp4/P3p3/3PPnb1/2P5/2Q2PPP/4RRK1 b
>
>Hossa had white against "blunite" and the last move was a5? Black won with Bf3!!
>How long does your program take to see that Bf3!! is winning (or does it find an
>even better move?)? Here is the analysis of Hossa:
>
>depth value time nodes pv
> 1 -890 0.02 21 1... d7xc6 2.b7xc6
> 1 -441 0.04 99 1... f4xg2 2.g1xg2
> 2 -441 0.06 650 1... f4xg2 2.g1xg2
>! 3 -310 0.10 1769 1... f4xg2 2.g1xg2 g4h3 3.g2g1 h3xf1 4.e1xf1
> 4 -337 0.60 27560 1... e5xd4 2.c3xd4 f4xg2 3.g1xg2 g4h3 4.g2g1 h3xf1
> 5.e1xf1
> 5 -333 0.80 37229 1... e5xd4 2.c3xd4 f4xg2 3.g1xg2 g4h3 4.g2h1 h3xf1
> 5.e1xf1
> 6 -370 2.33 125529 1... e5xd4 2.c3xd4 f4xg2 3.e1c1 b6xd4 4.g1xg2
> 6 -326 8.53 483797 1... f4xg2 2.e1b1 g2f4 3.f1e1 f4e2 4.e1xe2 g4xe2
> 5.c2xe2
> 7 -347 12.55 706240 1... f4xg2 2.e1b1 g2f4 3.f1e1 f4h3 4.g1f1 e5xd4
> 5.a5xb6
>! 7 -120 48.09 2540272 1... g4f3 2.h4 f3xg2 3.a5xb6 c7xb6 4.c6xe5 d6xe5
> 8 -97 1:00 3240537 1... g4f3 2.b7c8 d7xc6 3.d5 f3xe4 4.e1xe4 f4xd5
> 5.a5xb6 e8xc8
>! 9 80 7:17 24749284 1... g4f3 2.h3 f3xg2 3.a5xb6 g2xf1 4.e1xf1 c7xb6
> 5.d4xe5 d7xb7
>! 10 171 20:04 66462256 1... g4f3 2.h3 f3xg2 3.e1e3 g2xf1 4.g1xf1 b6xa5
> 5.f1g1 a5b6
>
>BTW: the blitz game ended with
>
> 24. a5 Bf3
> 25. dxe5 Qg4
> 26. Ne7+ Rxe7
> 27. axb6 Qxg2#
>
>
>
>Greetings,
>Steffen.
I get this:
(on my PII/300 notebook)
7 1.72 -3.70 1. ... Nxg2 2. Kxg2 exd4 3. axb6 cxb6
4. Kg1 Qxb7 5. Nxd4
7 2.62 -3.55 1. ... exd4 2. cxd4 Nxg2 3. Kxg2 Bh3+
4. Kh1 Bxf1 5. Rxf1 Qh3
7 3.71 ++ 1. ... Bf3!!
7 5.38 -1.19 1. ... Bf3 2. axb6 Bxg2 3. Qd1 cxb6
4. Nxe5 dxe5
7-> 5.53 -1.19 1. ... Bf3 2. axb6 Bxg2 3. Qd1 cxb6
4. Nxe5 dxe5
8 12.66 -0.97 1. ... Bf3 2. Bc8 Qxc6 3. d5 Nxd5 4.
exd5 Bxd5 5. axb6 Rxc8
8-> 13.44 -0.97 1. ... Bf3 2. Bc8 Qxc6 3. d5 Nxd5 4.
exd5 Bxd5 5. axb6 Rxc8
9 25.86 ++ 1. ... Bf3!!
9 1:03 1.05 1. ... Bf3 2. h3 Bxg2 3. Re3 Bxf1 4.
Kxf1 Bxa5 5. dxe5 Bb6
9-> 1:04 1.05 1. ... Bf3 2. h3 Bxg2 3. Re3 Bxf1 4.
Kxf1 Bxa5 5. dxe5 Bb6
10 1:47 1.40 1. ... Bf3 2. h3 Bxg2 3. Re3 Bxf1 4.
Kxf1 Bxa5 5. Nxa5 Qb5+ 6. Kg1 Qxa5
10-> 1:49 1.40 1. ... Bf3 2. h3 Bxg2 3. Re3 Bxf1 4.
Kxf1 Bxa5 5. Nxa5 Qb5+ 6. Kg1 Qxa5
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