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Subject: Re: Some advise about 5 piece TB?

Author: Ernst Walet

Date: 06:47:28 03/03/00

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This is what Fritz6a produces with 3 and 4 piece endgame tablebases.  Is what
you describe a problem with having incomplete 5 piece TBs?

Ernst.


New position
[D]8/5p2/8/5K2/Q7/4k3/P4q2/8 w - - 0 1

Analysis by Fritz 6:

1.Ke5 Qg3+ 2.Kd5 Qf3+ 3.Ke5
  =  (0.00)   Depth: 2/7   00:00:00
1.Ke5 Qg3+ 2.Kd5 Qf3+ 3.Kc5
  =  (-0.19)   Depth: 3/9   00:00:00
1.Ke5 Qg3+ 2.Kd5 Qf3+ 3.Kc5
  =  (-0.19)   Depth: 3/9   00:00:00
1.Ke5 Qg3+ 2.Kd5 Qg5+ 3.Kd6 f5
  ³  (-0.31)   Depth: 4/11   00:00:00  2kN
1.Ke5 Qg3+ 2.Kd5 Qf3+ 3.Kc5 Qh5+ 4.Kd6 f5
  ³  (-0.31)   Depth: 5/14   00:00:00  6kN
1.Ke5 Qg3+ 2.Kd5 Qg5+ 3.Kd6 Qg6+ 4.Kd5 Qe6+
  =  (-0.25)   Depth: 6/16   00:00:00  21kN
1.Ke5 Qg3+ 2.Kd5 Qg5+ 3.Kd6 Qf6+ 4.Kd5 Qe6+
  ³  (-0.47)   Depth: 7/17   00:00:01  42kN, tb=2
1.Ke5 Qg3+ 2.Kd5 Qg5+ 3.Kd6 Qf6+ 4.Kd7 Qe6+ 5.Kc7 f5
  ³  (-0.53)   Depth: 8/20   00:00:02  96kN, tb=17
1.Ke5 Qg3+ 2.Kd5 Qg5+ 3.Kd6 Qf6+ 4.Kd5 Qe6+ 5.Kc5 Qe5+
  ³  (-0.53)   Depth: 9/23   00:00:05  267kN, tb=78
1.Kg5
  ³  (-0.50)   Depth: 9/23   00:00:07  753kN, tb=132
1.Kg5 Qg3+ 2.Qg4 Qe5+ 3.Qf5 Kd4 4.Qxe5+ Kxe5
  =  (0.00)   Depth: 9/23   00:00:10  1589kN, tb=205
1.Kg5 Qg3+ 2.Qg4 Qe5+ 3.Qf5 Kd4 4.Qxe5+ Kxe5
  =  (0.00)   Depth: 10/24   00:00:12  2222kN, tb=487
1.Kg5 Qg3+ 2.Qg4 Qe5+ 3.Qf5 Kd4 4.Qxe5+ Kxe5
  =  (0.00)   Depth: 11/26   00:00:17  3638kN, tb=1341
1.Kg5 Qg3+ 2.Qg4 Qe5+ 3.Qf5 Kd4 4.Qxe5+ Kxe5
  =  (0.00)   Depth: 12/28   00:00:26  6390kN, tb=3176
1.Kg5 Qg3+ 2.Qg4 Qe5+ 3.Qf5 Kd4 4.Qxe5+ Kxe5
  =  (0.00)   Depth: 13/30   00:00:45  12637kN, tb=8267
1.Kg5 Qg3+ 2.Qg4 Qe5+ 3.Qf5 Kd4 4.Qxe5+ Kxe5
  =  (0.00)   Depth: 14/33   00:01:33  28906kN, tb=19653
1.Kg5 Qg3+ 2.Qg4 Qe5+ 3.Qf5 Kd4 4.Qxe5+ Kxe5
  =  (0.00)   Depth: 15/36   00:03:39  70375kN, tb=42044




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