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Subject: Re: WAC's not much of a test any more for computers ...

Author: Tim Foden

Date: 00:02:03 02/17/05

Go up one level in this thread


On February 16, 2005 at 20:54:21, Scott Gasch wrote:

>On February 16, 2005 at 20:23:31, Dann Corbit wrote:
>
>>On February 16, 2005 at 19:50:15, Peter Berger wrote:
>>
>>>What a pity that you are still sworn to create a poem for each and every program
>>>that manages to get 295/300 :P
>>
>>But a further requirement was that it occur on my 950 MHz AMD Athlon, where in
>>the same 5 second time frame, crafty scores 292/300.
>>
>>However, in the light of a perfect score (albeit on a faster machine) I think
>>crafty deserves some special recognition.
>
>I'd be surprised to see many engines solve wac002 in under 5 seconds _with a PV
>that includes a promotion_.  It seems like this is a position that overvaluing
>passers can help you solve quickly.
>
>Scott

GLC 3.01.2.2 manages it in 1.5 secs on my 2.08 GHz AXP.  I guess on Danns 950
MHz it would be just over 3 secs.  It shows the promotion in the PV.  Other
versions (e.g. 3.00) see this at 11 ply in less than 1 second.

Cheers, Tim.

Analysis below:

Green Light Chess
Version 3.01.2.2
Copyright (c) 2000-2004 by Tim Foden; All Rights Reserved.
Logging output to file "glc301.2.2.log"
Information: Failed to open file: glc301.2.2.eval
-- Default evaluation values will be used.
 Console is a TTY
Hash table size is 8.0MB
Opening book "primary.hbk" contains 31911 positions
>hash 24
 Hash table size set to: 24.0MB
>epd 15 ..\..\glc\epdtests\wacs.epd #1
 Line 001: Test [Rxb2]...
 Generating internal KP-K end-game table...
 Done (0.160 secs)
 Game stage: Endgame
 Current eval: 1.011
 Ply   Time   Score   Nodes  Principal variation
  5   0.010  +0.973    5427  c3 2. bxc3 Rxc3 3. Ra2 h5 4. h4
  6   0.010  +1.270    7600  c3 2. bxc3 Rxc3 3. e4 Rxa3 4. e5+ Ke6 5. h4
  6   0.010  +1.270    8152  c3 2. bxc3 Rxc3 3. e4 Rxa3 4. e5+ Ke6 5. h4
  7   0.030  +0.949   34183  Rb8 2. h4 h5 3. e4 fxe4+ 4. Kxe4 Rd8 5. f5 Re8+ 6.
                               Kd4
  7   0.050  +1.056   54352  Rb5 2. h4 h5 3. Kg2 Rd5 4. Kf3 Rd6
  7   0.050  +1.056   54833  Rb5 2. h4 h5 3. Kg2 Rd5 4. Kf3 Rd6
  8   0.060  +1.095   66171  Rb5 2. h4 h5 3. Kg2 Rd5 4. Kf3 Rd6 5. Kg3
  8   0.070  +1.095   74583  Rb5 2. h4 h5 3. Kg2 Rd5 4. Kf3 Rd6 5. Kg3
  9   0.110  +0.917  128177  Rb5 2. e4 fxe4+ 3. Kxe4 Rf5 4. Rf2 Rc5 5. Rd2 h5
                               6. Kd4 Rc6
  9   0.170  +1.056  197892  Rb8 2. h4 h5 3. Rg2 Rb3 4. Rd2 Rb5 {ht} 5. Kf2
  9   0.180  +1.056  202493  Rb8 2. h4 h5 3. Rg2 Rb3 4. Rd2 Rb5 {ht} 5. Kf2
 10   0.200  +1.056  230165  Rb8 2. h4 h5 3. Rg2 Rb3 4. Rd2 Rb5 {ht} 5. Kf2
 10   0.250  +1.056  297540  Rb8 2. h4 h5 3. Rg2 Rb3 4. Rd2 Rb5 {ht} 5. Kf2
 11   0.481  +1.288  583944  Rb8 2. Kg3 h5 3. Kf3 Re8 4. Kf2 h4 5. h3 Rg8 6.
                               Kf1 Rd8
 11   0.551  +1.288  681566  Rb8 2. Kg3 h5 3. Kf3 Re8 4. Kf2 h4 5. h3 Rg8 6.
                               Kf1 Rd8
 12   1.182  +1.283 1447976  Rb8 2. Kg3 h5 3. Kf3 Re8 4. Rg2 h4 5. h3 Rd8 6.
                               Rd2 Rg8 {ht} 7. Kf2
 12   1.542  +1.688 1991631  Rxb2 {++} 2. Rxb2 c3 3. Rb6+ Kf7 4. e4 c2 5. exf5
                               c1=Q 6. Rc6 Qxc6+ 7. Ke3
 12   2.143  +1.761 2777868  Rxb2 2. Rxb2 c3 3. Rb6+ Kf7 4. Rb7+ Kg6 5. Rb6+
                               Kh5 6. Rb5 c2 7. Rxf5+ Kh4 8. Rf6 h5 9. Rc6 d2
                               10. Rxc2 d1=Q+
 12   2.153  +1.761 2793377  Rxb2 2. Rxb2 c3 3. Rb6+ Kf7 4. Rb7+ Kg6 5. Rb6+
                               Kh5 6. Rb5 c2 7. Rxf5+ Kh4 8. Rf6 h5 9. Rc6 d2
                               10. Rxc2 d1=Q+
 13   2.714  +2.161 3640588  Rxb2 {++} 2. Rxb2 c3 3. Rb6+ Ke7 4. Rb7+ Kd6 5.
                               Rb6+ Kc5 6. Rb1 c2 7. Rc1 Kd6 8. Rd1 cxd1=Q+ 9.
                               Kf2
 13   3.024  +3.241 4045149  Rxb2 2. Rxb2 c3 3. Rb6+ Ke7 4. Rb7+ Kd6 5. Rb6+
                               Kc5 6. Rb8 c2 7. Rc8+ Kb5 8. Kg3 d2 9. Rxc2 d1=Q
                               10. Rb2+ Kc6 11. h4
 13   3.044  +3.241 4063875  Rxb2 2. Rxb2 c3 3. Rb6+ Ke7 4. Rb7+ Kd6 5. Rb6+
                               Kc5 6. Rb8 c2 7. Rc8+ Kb5 8. Kg3 d2 9. Rxc2 d1=Q
                               10. Rb2+ Kc6 11. h4
 14   3.875  +3.382 5157054  Rxb2 2. Rxb2 c3 3. Rb6+ Ke7 4. Rb7+ Kd6 5. Rb6+
                               Kc5 6. Rb8 c2 7. Rc8+ Kb6 8. Kg3 d2 9. Rxc2 d1=Q
                               10. Rb2+ Kc6 {ht} 11. h3
 14   3.905  +3.382 5185155  Rxb2 2. Rxb2 c3 3. Rb6+ Ke7 4. Rb7+ Kd6 5. Rb6+
                               Kc5 6. Rb8 c2 7. Rc8+ Kb6 8. Kg3 d2 9. Rxc2 d1=Q
                               10. Rb2+ Kc6 {ht} 11. h3
 15   5.097  +3.526 6711507  Rxb2 2. Rxb2 c3 3. Rb6+ Ke7 4. Rb7+ Kd6 5. Rb6+
                               Kc5 6. Rb8 c2 7. Rc8+ Kd6 8. Kf2 d2 9. Rd8+ Ke6
                               10. Rxd2 c1=Q 11. Ra2 h5 12. Kf3
 15   5.257  +3.526 6896079  Rxb2 2. Rxb2 c3 3. Rb6+ Ke7 4. Rb7+ Kd6 5. Rb6+
                               Kc5 6. Rb8 c2 7. Rc8+ Kd6 8. Kf2 d2 9. Rd8+ Ke6
                               10. Rxd2 c1=Q 11. Ra2 h5 12. Kf3
 16   8.772  +3.565  11018k  Rxb2 2. Rxb2 c3 3. Rb6+ Ke7 4. Kf2 c2 5. Rc6 Kd7
                               6. Rc3 d2 7. Rxc2 d1=Q 8. Rc5 Qd3 9. h4 Ke6 10.
                               Rc7 Qxa3 11. Rxh7
 16  11.546  +3.565  14164k  Rxb2 2. Rxb2 c3 3. Rb6+ Ke7 4. Kf2 c2 5. Rc6 Kd7
                               6. Rc3 d2 7. Rxc2 d1=Q 8. Rc5 Qd3 9. h4 Ke6 10.
                               Rc7 Qxa3 11. Rxh7
 local:  t=15.001  nps=1197214.8  n=17959418 (37.8% / 62.2%)
 total:  t=15.001  nps=1197214.8  n=17959418
 stats:  fh=90.9%/4.00%/1.242%  draws=12660
 trans:  probes=6770315  hits=2406625 (35.55%)  draft=1742113 (25.73%)
 tcuts:  exact=1533 (0.02%)  upper=780676 (11.53%)  lower=367970 (5.44%)
 tstor:  exact=1202 (0.05%)  upper=1579508 (62.52%)  lower=945801 (37.44%)
 ext:  check=1073919  recap=19485  ppush=85329  1rep=24731  thrt=29918
 q-moves:  gen=5453095  tested=3802276  made/un=1777593  max-dep=7
 max eval diff:  part-1=6.196  part-2=1.764





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