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Subject: Also Fritz 8.0.0.23 and Crafty 19.03 miss a mate in one!

Author: Eran

Date: 16:24:21 07/25/03

On July 25, 2003 at 17:50:21, Ernst Walet wrote:

>This afternoon my account on the chessbase server played a game against Rebel
>12.  To my astonishment Rebel missed a mate in one, and got mated right away.
>Any thoughts on this, Ed?
>
[D]8/8/6p1/6k1/3p2P1/4b2Q/4Bq2/7K w - - 0 151

If Fritz 8 or Crafty 19.03 plays the same game instead of Rebel 12, Fritz or
Crafty will play the same problem as Rebel 12. Please see below.

So, do Fritz and Crafty have a bug for a long time?

How will Shredder 7 play in the same game as white?

Eran

Longin,R - cchess,S
8/8/6p1/6k1/3p2P1/4b2Q/4Bq2/7K w - - 0 1

Analysis by Fritz 8:

151.Bd3 Qh4
  =  (0.00)   Depth: 7/7   00:00:00
151.Bd3 Qh4
  =  (0.00)   Depth: 8/8   00:00:00  1kN
151.Bd3 Qh4
  =  (0.00)   Depth: 9/9   00:00:00  2kN
151.Bd3 Qh4
  =  (0.00)   Depth: 10/10   00:00:00  4kN
151.Bd3 Qh4
  =  (0.00)   Depth: 11/11   00:00:00  7kN
151.Bd3 Qh4
  =  (0.00)   Depth: 12/12   00:00:00  12kN
151.Bd3 Qh4
  =  (0.00)   Depth: 13/13   00:00:00  22kN
151.Bd3 Qh4
  =  (0.00)   Depth: 14/14   00:00:00  38kN
151.Bd3 Qh4
  =  (0.00)   Depth: 15/15   00:00:00  62kN, tb=2
151.Bd3 Qh4
  =  (0.00)   Depth: 16/16   00:00:00  99kN, tb=15
151.Bd3 Qh4
  =  (0.00)   Depth: 17/17   00:00:00  154kN, tb=45
151.Bd3 Qh4
  =  (0.00)   Depth: 18/18   00:00:00  242kN, tb=107
151.Bd3 Qh4
  =  (0.00)   Depth: 19/19   00:00:00  374kN, tb=222
151.Bd3 Qh4
  =  (0.00)   Depth: 20/20   00:00:01  570kN, tb=430
151.Bd3 Qh4
  =  (0.00)   Depth: 21/21   00:00:03  881kN, tb=821
151.Bd3 Qh4
  =  (0.00)   Depth: 22/22   00:00:04  1392kN, tb=1594
151.Bd3 Qh4
  =  (0.00)   Depth: 23/23   00:00:06  2238kN, tb=3135
151.Bd3 Qh4
  =  (0.00)   Depth: 24/24   00:00:09  3671kN, tb=5856
151.Bd3 Qh4
  =  (0.00)   Depth: 25/25   00:00:14  6621kN, tb=10634
151.Bd3 Qh4
  =  (0.00)   Depth: 26/26   00:00:27  14564kN, tb=21357
151.Bd3 Qh4
  =  (0.00)   Depth: 27/27   00:00:44  26021kN, tb=39234
151.Bd3 Qh4
  =  (0.00)   Depth: 28/28   00:01:34  58191kN, tb=74502
151.Bd3 Qh4
  =  (0.00)   Depth: 29/29   00:04:15  163073kN, tb=158112

**********

Longin,R - cchess,S
8/8/6p1/6k1/3p2P1/4b2Q/4Bq2/7K w - - 0 1

Analysis by Crafty 19.03:

151.Bd3
  -+  (-1.92)   Depth: 1/5   00:00:00
151.Bd3 Kf6
  -+  (-2.25)   Depth: 2/5   00:00:00
151.Qf3
  -+  (-1.52)   Depth: 2/5   00:00:00
151.Qf3 Qxf3+ 152.Bxf3
  ³  (-0.59)   Depth: 2/5   00:00:00
151.Qf3 Qxf3+ 152.Bxf3 d3
  µ  (-0.80)   Depth: 3/7   00:00:00
151.Qh2 Qxh2+ 152.Kxh2 Bf4+ 153.Kg2 Kf6
  ³  (-0.63)   Depth: 3/7   00:00:00
151.Qh2 Qxh2+ 152.Kxh2 Kf4 153.Bd3 g5
  ³  (-0.55)   Depth: 4/9   00:00:00
151.Qh2 Qxh2+ 152.Kxh2 Kf4 153.Bd3 g5 154.Kh3
  ³  (-0.55)   Depth: 5/10   00:00:00
151.Bd3
  =  (-0.15)   Depth: 5/10   00:00:00
151.Bd3 Kf6
  =  (0.00)   Depth: 5/10   00:00:00
151.Bd3 Kf6
  =  (0.00)   Depth: 6/10   00:00:00  2kN
151.Bd3 Kf6
  =  (0.00)   Depth: 7/10   00:00:00  2kN
151.Bd3 Kf6
  =  (0.00)   Depth: 8/10   00:00:00  3kN
151.Bd3 Kf6
  =  (0.00)   Depth: 9/10   00:00:00  4kN
151.Bd3 Kf6
  =  (0.00)   Depth: 10/10   00:00:00  4kN
151.Bd3 Kf6
  =  (0.00)   Depth: 11/10   00:00:00  5kN
151.Bd3 Kf6
  =  (0.00)   Depth: 12/10   00:00:00  7kN
151.Bd3 Kf6
  =  (0.00)   Depth: 13/10   00:00:01  10kN
151.Bd3 Kf6
  =  (0.00)   Depth: 14/11   00:00:01  12kN
151.Bd3 Kf6
  =  (0.00)   Depth: 15/11   00:00:01  13kN
151.Bd3 Kf6
  =  (0.00)   Depth: 16/11   00:00:01  15kN
151.Bd3 Kf6
  =  (0.00)   Depth: 17/11   00:00:01  20kN
151.Bd3 Kf6
  =  (0.00)   Depth: 18/13   00:00:01  24kN
151.Bd3 Kf6
  =  (0.00)   Depth: 19/14   00:00:01  29kN
151.Bd3 Kf6
  =  (0.00)   Depth: 20/14   00:00:01  31kN
151.Bd3 Kf6
  =  (0.00)   Depth: 21/14   00:00:01  36kN
151.Bd3 Kf6
  =  (0.00)   Depth: 22/14   00:00:01  42kN
151.Bd3 Kf6
  =  (0.00)   Depth: 23/18   00:00:01  50kN, tb=1
151.Bd3 Kf6
  =  (0.00)   Depth: 24/18   00:00:01  56kN, tb=1
151.Bd3 Kf6
  =  (0.00)   Depth: 25/21   00:00:01  63kN, tb=5
151.Bd3 Kf6
  =  (0.00)   Depth: 26/23   00:00:01  74kN, tb=8
151.Bd3 Kf6
  =  (0.00)   Depth: 27/29   00:00:01  95kN, tb=37
151.Bd3 Kf6
  =  (0.00)   Depth: 28/29   00:00:01  126kN, tb=61
151.Bd3 Kf6
  =  (0.00)   Depth: 29/31   00:00:02  180kN, tb=99
151.Bd3 Kf6
  =  (0.00)   Depth: 30/33   00:00:03  275kN, tb=194
151.Bd3 Kf6
  =  (0.00)   Depth: 31/37   00:00:03  423kN, tb=374
151.Bd3 Kf6
  =  (0.00)   Depth: 32/38   00:00:04  661kN, tb=606
151.Bd3 Kf6
  =  (0.00)   Depth: 33/44   00:00:06  1134kN, tb=1079
151.Bd3 Kf6
  =  (0.00)   Depth: 34/47   00:00:09  1950kN, tb=1726
151.Bd3 Kf6
  =  (0.00)   Depth: 35/49   00:00:15  3548kN, tb=3266
151.Bd3 Kf6
  =  (0.00)   Depth: 36/50   00:00:25  6614kN, tb=6723
151.Bd3 Kf6
  =  (0.00)   Depth: 37/57   00:00:42  12773kN, tb=12775

Re: Also Fritz 8.0.0.23 and Crafty 19.03 miss a mate in one! Sune Fischer 16:44:43 07/25/03
- Re: Also Fritz 8.0.0.23 and Crafty 19.03 miss a mate in one! Tony Werten 02:03:55 07/26/03
- Re: Also Fritz 8.0.0.23 and Crafty 19.03 miss a mate in one! Uri Blass 00:00:00 07/26/03
  - Re: Also Fritz 8.0.0.23 and Crafty 19.03 miss a mate in one! Uri Blass 00:10:34 07/26/03
- Re: Also Fritz 8.0.0.23 and Crafty 19.03 miss a mate in one! Mike Byrne 17:13:12 07/25/03
  - Re: Also Fritz 8.0.0.23 and Crafty 19.03 miss a mate in one! Sune Fischer 17:30:47 07/25/03
    - Re: Also Fritz 8.0.0.23 and Crafty 19.03 miss a mate in one! Vine Smith 19:11:57 07/25/03
    - Re: Also Fritz 8.0.0.23 and Crafty 19.03 miss a mate in one! Mike Byrne 18:16:55 07/25/03
      - Crafty draw code fixed... Mike Byrne 19:45:21 07/25/03

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