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Subject: Wrong in this psoition!

Author: Oliver Roese

Date: 11:45:13 11/21/00

Go up one level in this thread

On November 21, 2000 at 03:25:00, Dann Corbit wrote:

>[D]8/8/2Kp4/3P1B2/2P2k2/5p2/8/8 w - - bm Bc8; id "WAC.146";
>
>Searched Move: b6+
>Right = 1/2 Stime = 10.9 Total NPS = 429381 <time_sq> = 120 <depth> = 20
>
>White to Move  Book Move(s): Bc8
>  Test Position:  "WAC.146"
>  1.   2.46     0    78031   1. Bh3
>  1.   2.52     0    78036   1. Be6
>  1.   2.54     0    78037   1. Bd7
>  1.   2.54     0    78051   1. Bd7
>  2.   2.53     0    78062   1. Bd7 Ke5
>  2.   ++       0    78134   1. Bh7
>  2.   1.82     0    78343   1. Bd7 f2
>  2.   2.51     0    78365   1. Be6 Ke5
>  2.   2.52     0    78424   1. Bd3 Ke3
>  2.   2.52     0    78496   1. Bd3 Ke3
>  3.   2.55     0    78525   1. Bd3 Ke3 2. Bf5
>  3.   ++       0    78826   1. Bh7
>  3.   2.55     0    79404   1. Bd3 Ke3 2. Bf5
>  3.   2.55     0    80628   1. Bd3 Ke3 2. Bf5
>  4.   2.64     0    80953   1. Bd3 Ke3 2. c5 dxc5
>  4.   2.64     0    83123   1. Bd3 Ke3 2. c5 dxc5
>  5.   2.54     0    84780   1. Bd3 Ke3 2. Bf5 Kf4 3. Bd7
>  5.   ++       0    91118   1. Bc8
>  5.   --
>  5.   2.54     0    94138   1. Bd3 Ke3 2. Bf5 Kf4 3. Bd7
>  5.   5.87     0    99653   1. Bc8 f2 2. Bh3 Kg3 3. Bf1
>  5.   5.87     0   116910   1. Bc8 f2 2. Bh3 Kg3 3. Bf1
>  6.   --
>  6.   ++       0   117724   1. Bc8
>  6.   5.87     0   118439   1. Bc8 f2 2. Bh3 Kg3 3. Bf1 Kf4
>  6.   5.87     0   161237   1. Bc8 f2 2. Bh3 Kg3 3. Bf1 Kf4
>  7.   5.87     0   165796   1. Bc8 f2 2. Bh3 Ke3 3. Bf1 Kd4
>  7.   ++       0   186436   1. Bh3
>  7.   --
>  7.   5.87     0   191756   1. Bc8 f2 2. Bh3 Kg3 3. Bf1 Kf4 4. Kxd6
>  7.   6.64     0   212491   1. Bh3 Kg3 2. Bf1 Kf2 3. Kxd6 Ke1 4. Bh3
>  7.   6.64     0   212520   1. Bh3 Kg3 2. Bf1 Kf2 3. Kxd6 Ke1 4. Bh3
>  8.   --
>  8.   ++       0   221385   1. Bh3
>  8.   6.45     0   223648   1. Bh3 Kg3 2. Bf1 Kf2 3. Kxd6 Ke1 4. Bh3 f2
>  8.   6.45     0   223732   1. Bh3 Kg3 2. Bf1 Kf2 3. Kxd6 Ke1 4. Bh3 f2
>  9.   6.45     0   232656   1. Bh3 Kg3 2. Bf1 Kf2 3. Kxd6 Ke1 4. Bh3 f2 5. c5
>  9.   ++       0   264037   1. Bd3
>  9.   8.88     0   295723   1. Bd3 Ke3 2. c5 dxc5 3. d6 Kd2 4. d7 c4 5. d8=Q
>  9.   8.88     0   304900   1. Bd3 Ke3 2. c5 dxc5 3. d6 Kd2 4. d7 c4 5. d8=Q
> 10.   ++       0   314109   1. Bd3
> 10.  14.23     1   495219   1. Bd3 Ke3 2. c5 Kd4 3. cxd6 Kc3 4. d7 Kd2 5. d8=Q
>Ke3
> 10.  14.23     1   525349   1. Bd3 Ke3 2. c5 Kd4 3. cxd6 Kc3 4. d7 Kd2 5. d8=Q
>Ke3
> 11.   ++       1   529553   1. Bd3
> 11.  16.49     6  1363057   1. Bd3 Kg3 2. c5 Kf4 3. cxd6 Ke5 4. d7 Kf4 5. d8=Q
>Ke3
> 11.  16.49     6  1393518   1. Bd3 Kg3 2. c5 Kf4 3. cxd6 Ke5 4. d7 Kf4 5. d8=Q
>Ke3
> 12.   ++       6  1402113   1. Bd3
> 12.  MATE+    33  9555958   1. Bd3 f2 2. c5 Ke3 3. cxd6 Kxd3
> 12.  MATE+    33  9738198   1. Bd3 f2 2. c5 Ke3 3. cxd6 Kxd3
>
>node_count = 9738198 quiescent nodes = 10482 eval_count = 4534996
>hash hits = 2251420 hash moves = 342378 pawn hash hits = 4522278
>node_rate = 290779 null cuts = 935545 exten = 747422 int_iter = 120
>egtb_probes = 267932 egtb_hits = 267932 fail_high(%) = 93

After 1.Bd3 black can force a repetition of the position with
1...Ke3 2.Bf1 Kf2 3.Bh3 Kg3 4.Bf5 Kf4 (all forced) and white should soon come up
with a better idea...

Oliver

• Re: Wrong in this psoition! Bruce Moreland 14:29:28 11/21/00
• Re: Wrong in this psoition! Robert Hyatt 11:56:47 11/21/00
  • Re: Wrong in this position! Oliver Roese 21:41:00 11/21/00
    • Re: Wrong in this position! Robert Hyatt 07:17:21 11/22/00
      • Re: Wrong in this position! Oliver Roese 08:55:03 11/22/00
        • Re: Wrong in this position! Robert Hyatt 11:09:33 11/22/00

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Last modified: Thu, 15 Apr 21 08:11:13 -0700

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