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Subject: Re: I don't understand the last two lines, why do they both say 21/x ?

Author: George Tsavdaris

Date: 06:08:52 01/15/04

Go up one level in this thread

On January 15, 2004 at 08:52:00, John Roberts wrote:

>A - B
>
>6k1/5p1p/1nB1n1p1/1P6/2pq2P1/3p3P/1P1Q1PK1/R7 w - - 0 1
>
>Analysis by Fritz 8:
>
>>37.Qc3 Qd6 38.Re1 Na4 39.Qd2 Kg7 40.Ra1 Nb6 41.Qc3+ Kg8
>  ²  (0.31)   Depth: 19/55   17:27:52  32245654kN
>37.Qc3 Qd6 38.Re1 Na4 39.Qd2 Kg7 40.Ra1 Nb6 41.Kf1 Nd4
>  ²  (0.31)   Depth: 20/56   45:57:00  87323100kN
>37.Qc3 Qd6 38.Re1 Na4 39.Qd2 Kg7 40.Ra1 Nb6 41.Kf1 Nd4
>  ²  (0.28)   Depth: 21/74   121:11:44  234690340kN, tb=1
>37.Qc3 Qd6 38.Re1 Na4 39.Qd2 Kg7 40.Ra1 Nb6 41.Kf1 Nd4
>  ²  (0.28)   Depth: 21/88   318:20:01  625183936kN, tb=16
>
>
>The clock readings are correct, so why doesn't the last line read 22/88?
>
>Pentium4 2.4GHz with 334MB hash, 512MB ram compaq presario.

Wow! 318 hours. Why do you care so much about this position?

I have seen Fritz do this, thousants of times. It shows a move in depth
X/Y and it shows it again at depth X/Y+K  (K>0). Why do you think it's strange?
Look for example the following at depth 9 and 11. The same happens:

Analysis by Deep Fritz 8:

46...Qf4xd6 47.a2-a4 Qd6-d4 48.d7-d8Q Qd4xd8 49.f2-f4 Qd8-d4 50.Bb5-c4
  -+  (-3.57)   Depth: 7/21   00:00:00  50kN
46...Qf4xd6 47.a2-a4 Qd6-d4 48.d7-d8Q Qd4xd8 49.f2-f4 Qd8-d4 50.Bb5-c4 Qd4-b2+
  -+  (-3.57)   Depth: 8/21   00:00:00  81kN
46...Qf4xd6!
  -+  (-3.86)   Depth: 9/25   00:00:00  192kN
46...Qf4xd6 47.a2-a4 Qd6-d4 48.d7-d8Q
  -+  (-4.11)   Depth: 9/29   00:00:00  347kN
46...Qf4xd6 47.Bb5-c4 Qd6xd7 48.f2-f3 Qd7-d4 49.f3xe4 Qd4xe4+ 50.Ke2-d2 Qe4-g2+
51.Kd2-e3 Qg2xh3+ 52.Ke3-d4 Bh4-f6+ 53.Kd4-c5 Qh3-e3+ 54.Kc5-b5 Kh7-g6
  -+  (-4.34)   Depth: 10/27   00:00:01  987kN
46...Qf4xd6!
  -+  (-4.62)   Depth: 11/29   00:00:03  1804kN
46...Qf4xd6!
  -+  (-4.90)   Depth: 11/32   00:00:05  2444kN
46...Qf4xd6 47.Bb5-c4 Qd6xd7 48.f2-f3 Qd7-d4 49.f3xe4 Qd4xe4+ 50.Ke2-d1 Qe4-b1+
51.Kd1-d2 Qb1xa2+ 52.Kd2-c3 Qa2-a5+ 53.Kc3-c2 Bh4-g5 54.Rf1-d1 Bg5-f6 55.Bc4xf7
  -+  (-5.09)   Depth: 11/32   00:00:07  3472kN

• Please, someone smart help!- last two lines, why do they both say 21/x ? John Roberts 06:22:09 01/15/04
  • Important addendum-depth=22/22, subsequently 21/88!!!!!!!!!!!! n.t. John Roberts 06:27:52 01/15/04
  • Important addendum-depth=22/22, subsequently 21/88!!!!!!!!!!!! n.t. John Roberts 06:25:11 01/15/04

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