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Subject: Re: I find Deep Fritz 6 to run 1.6 times faster on 2 cpus compared to 1 cpu

Author: Roy Eassa

Date: 10:49:35 08/14/02

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On August 13, 2002 at 19:12:55, Anson T J wrote:

>[d]b3r3/q2B2k1/3Q2p1/1p5p/3pP3/5P2/1p4PP/5RK1 b KQkq - 0 1
>
>Analysis by Deep Fritz: (2 cpus)
>
>
>1...d3+!
>  =  (-0.06)   Depth: 13/36   00:00:49  64173kN
>1...d3+ 2.Kh1 Qf2 3.Rd1 Qc2 4.Qd4+ Kh7 5.Qg1 Rd8 6.Bxb5 d2 7.Be2
>  ³  (-0.69)   Depth: 13/36   00:01:02  81684kN
>1...d3+!
>  µ  (-1.00)   Depth: 14/36   00:01:09  90402kN
>1...d3+ 2.Kh1 Qf2 3.Rd1 Qc2 4.Rg1 Rg8 5.Bf5 gxf5 6.Qe7+ Kh6 7.Qf6+
>  -+  (-2.44)   Depth: 14/38   00:01:20  105174kN
>
>
>Analysis by Deep Fritz: (1 cpu)
>
>1...d3+!
>  =  (-0.06)   Depth: 13/36   00:01:11  57271kN
>1...d3+ 2.Kh1 Qf2 3.Rd1 Qc2 4.Qd4+ Kh7 5.Qg1 Rd8 6.Bxb5 d2 7.Be2
>  ³  (-0.69)   Depth: 13/36   00:01:28  70836kN
>1...d3+!
>  µ  (-1.00)   Depth: 14/35   00:01:38  78952kN
>1...d3+ 2.Kh1 Qf2 3.Rd1 Qc2 4.Rg1 Rg8 5.Bf5 gxf5 6.Qe7+ Kh6 7.Qf6+
>  -+  (-2.44)   Depth: 14/37   00:01:59  95441kN
>


I think this one is more complicated than it first appears too.  White can draw
in many variations.  Here's what I get using Fritz:


1...d3+ 2.Kh1 Qf2! 3.Rd1

   [3.Qxd3 Bxe4! 4.fxe4
      (4.Qc3+ Kh6 5.Bxb5 b1Q 6.Rxb1 Bxb1 -+)
    4...Qxf1+ 5.Qxf1 Ra8 -+]

3...Qc2 4.Rg1

   [4.Qd4+ Kh7! 5.Qg1 d2 6.Bxe8 Qc1 7.Bxb5 b1Q -+]

4...b1Q!

   [4...Rg8 5.Be6!
      (5.Qe7+ Kh8!
         (5...Kh6 6.g4! Rg7 7.Qf8 b1Q
            (7...Qf2 8.g5+ Kh7 9.Be6 Qxg1+ 10.Kxg1 b1Q+ =)
          8.Qh8+ Kg5 9.Qxg7 Kf4 10.Rxb1 Qxb1+ 11.Kg2 Qc2+ 12.Kh3 d2
          13.Qf6+ Ke3 14.Qb6+ Kxf3 15.Qf6+ Ke2 16.Bxb5+ =)
       6.Qg5 Kh7 7.Be6 Rg7 8.Ba2 d2 9.Qd8 Bc6 10.Qd6 Qc1 11.h3 Rd7-+)
    5...b1Q 6.Qe5+ Kh6 7.Bxg8 =]

5.Bxe8 Qba2! 6.Qxg6+ Kf8 7.Bxb5 Qf7 8.Qd6+ Kg7 9.Qd4+ Kh7 10.Bxd3 Qcc7 -/+



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