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Perft(13) [3.4 GHz Core i7-2600, 16 GB RAM]
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Jesús Muñoz



Joined: 13 Jul 2011
Posts: 707
Location: Madrid, Spain.
PostPost subject: Re: Verification of large draft 8 record.    Posted: Fri Sep 23, 2011 5:05 pm Reply to topic Reply with quote
Hello Steven:

sje wrote:
As mentioned earlier, some of the draft 8 record counts can be fairly large. Here's a verification run of one of the recent results done all by its lonesome self on a separate box:
[d]rnbqkbnr/pp2pppp/8/2pp4/6Q1/1P2P3/P1PP1PPP/RNB1KBNR b KQkq - 1 3[/d]
BR BN BB BQ BK BB BN BR
BP BP ::    BP BP BP BP
   ::    ::    ::    ::
::    BP BP ::    ::    
   ::    ::    :: WQ ::
:: WP ::    WP    ::    
WP :: WP WP    WP WP WP
WR WN WB    WK WB WN WR

Code:

[] emptran 8
Bxg4 18,078,680,415
Bd7 74,010,050,049
Be6 62,470,891,901
Bf5 86,483,789,607
Na6 63,991,602,356
Nd7 47,745,655,289
Nh6 66,057,131,001
Nf6 77,039,439,053
Nc6 93,982,773,746
Qa5 85,744,207,928
Qc7 105,522,085,151
Qb6 106,367,651,283
Qd6 126,258,823,266
Qd7 72,422,310,827
a6 64,127,351,261
b5 68,807,933,023
a5 72,619,084,231
b6 59,822,349,656
c4 66,664,415,654
d4 73,968,079,707
f5 51,278,529,873
f6 54,475,865,708
e6 86,806,620,450
e5 104,787,610,258
g5 64,876,649,246
h6 62,529,998,177
g6 72,370,147,718
h5 77,925,261,293
Depth: 8   Count: 2,067,234,988,127   Elapsed: 490.107  (4.21793e+09 Hz / 2.37083e-10 s)


I can verify this draft 8 record:

[d]rnbqkbnr/pp2pppp/8/2pp4/6Q1/1P2P3/P1PP1PPP/RNB1KBNR b KQkq - 1 3[/d]
BR BN BB BQ BK BB BN BR
BP BP ::    BP BP BP BP
   ::    ::    ::    ::
::    BP BP ::    ::    
   ::    ::    :: WQ ::
:: WP ::    WP    ::    
WP :: WP WP    WP WP WP
WR WN WB    WK WB WN WR


Code:
JetChess 1.0.0.0 using 1 GB of hash:

  1  qd8-c7  105522085151
  2  qd8-b6  106367651283
  3  qd8-a5   85744207928
  4  qd8-d7   72422310827
  5  qd8-d6  126258823266
  6  bc8-d7   74010050049
  7  bc8-e6   62470891901
  8  bc8-f5   86483789607
  9  bc8*g4   18078680415
 10  nb8-a6   63991602356
 11  nb8-c6   93982773746
 12  nb8-d7   47745655289
 13  ng8-f6   77039439053
 14  ng8-h6   66057131001
 15   c5-c4   66664415654
 16   d5-d4   73968079707
 17   a7-a6   64127351261
 18   a7-a5   72619084231
 19   b7-b6   59822349656
 20   b7-b5   68807933023
 21   e7-e6   86806620450
 22   e7-e5  104787610258
 23   f7-f6   54475865708
 24   f7-f5   51278529873
 25   g7-g6   72370147718
 26   g7-g5   64876649246
 27   h7-h6   62529998177
 28   h7-h5   77925261293

Total:      2067234988127

2,067,234,988,127 (move pathes after 8 half moves).

Time: 2482.723 s.


Please keep the good work!

Regards from Spain.

Ajedrecista.
_________________
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Chess will never be solved.
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Subject Author Date/Time
Perft(13) [3.4 GHz Core i7-2600, 16 GB RAM] Steven Edwards Wed Aug 03, 2011 2:46 am
      Re: Perft(13) [3.4 GHz Core i7-2600, 16 GB RAM] Steven Edwards Wed Aug 03, 2011 3:06 am
      After 10 hours Steven Edwards Wed Aug 03, 2011 12:22 pm
      Re: Perft(13) [3.4 GHz Core i7-2600, 16 GB RAM] Steven Edwards Wed Aug 03, 2011 12:51 pm
            Re: Perft(13) [3.4 GHz Core i7-2600, 16 GB RAM] Vincent Diepeveen Sat Nov 05, 2011 6:45 pm
                  Re: Perft(13) [3.4 GHz Core i7-2600, 16 GB RAM] Steven Edwards Sat Nov 05, 2011 10:37 pm
      After 24 hours Steven Edwards Thu Aug 04, 2011 2:15 am
      After 38 hours Steven Edwards Thu Aug 04, 2011 4:16 pm
      After 76 hours Steven Edwards Sat Aug 06, 2011 6:31 am
      After 136 hours Steven Edwards Mon Aug 08, 2011 6:38 pm
      After 7 days Steven Edwards Wed Aug 10, 2011 3:14 am
            Re: After 7 days H.G.Muller Fri Aug 12, 2011 9:06 am
                  Re: After 7 days Steven Edwards Fri Aug 12, 2011 10:53 pm
                        Re: After 7 days Ricardo Barreira Fri Aug 12, 2011 11:45 pm
                        Re: After 7 days H.G.Muller Sat Aug 13, 2011 7:36 am
      After 12.5 days Steven Edwards Mon Aug 15, 2011 2:48 pm
      First power failure after almost 17 days Steven Edwards Fri Aug 19, 2011 9:46 pm
            Re: First power failure after almost 17 days Steven Edwards Sun Aug 21, 2011 2:13 pm
                  Re: First power failure after almost 17 days Vincent Lejeune Mon Aug 22, 2011 7:53 am
                        Re: First power failure after almost 17 days Steven Edwards Mon Aug 22, 2011 8:12 am
      16/400 draft 11 records Steven Edwards Mon Aug 22, 2011 5:36 am
      Another power failure Steven Edwards Thu Aug 25, 2011 7:36 pm
            Re: Another power failure Steven Edwards Fri Aug 26, 2011 6:51 pm
            Perft count of the Petrov defence. Jesús Muñoz Fri Aug 26, 2011 9:24 pm
                  Re: Perft count of the Petrov defence. Steven Edwards Sat Aug 27, 2011 12:20 am
                        Re: Perft count of the Petrov defence. Jesús Muñoz Sat Aug 27, 2011 9:26 am
                              Re: Perft count of the Petrov defence. Steven Edwards Sat Aug 27, 2011 10:52 am
                  Re: Perft count of the Petrov defence. Steven Edwards Sat Aug 27, 2011 11:51 pm
                        Thank you very much! Jesús Muñoz Sun Aug 28, 2011 10:43 am
                        The 22nd draft 11 record Steven Edwards Sun Aug 28, 2011 11:00 am
      The 23rd draft 11 record Steven Edwards Sun Aug 28, 2011 3:24 pm
      After 27 days Steven Edwards Tue Aug 30, 2011 5:11 pm
      The 24th draft 11 record Steven Edwards Tue Aug 30, 2011 10:25 pm
      After one month Steven Edwards Sat Sep 03, 2011 10:57 am
      Draft 11 records number 25 and 26 Steven Edwards Sun Sep 04, 2011 7:20 pm
            Draft 11 records number 27 and 28 Steven Edwards Mon Sep 05, 2011 3:19 am
                  Draft 11 records number 29 and 30 Steven Edwards Mon Sep 05, 2011 1:19 pm
                        Draft 11 record number 31 Steven Edwards Mon Sep 05, 2011 6:39 pm
                              Draft 11 record number 32 Steven Edwards Wed Sep 07, 2011 6:13 pm
      Re: Perft(13) [3.4 GHz Core i7-2600, 16 GB RAM] Steven Edwards Thu Sep 08, 2011 9:40 pm
            Re: Thank you. Jesús Muñoz Fri Sep 09, 2011 8:48 am
            Draft 11 counts Steven Edwards Fri Sep 09, 2011 6:28 pm
                  About the branching factors... Jesús Muñoz Fri Sep 09, 2011 7:30 pm
      No more MobileMe data hosting Steven Edwards Tue Sep 13, 2011 11:15 am
      Draft 11 records number 34 and 35 Steven Edwards Wed Sep 14, 2011 3:35 pm
      Draft 11 records number 36, 37, and 38 Steven Edwards Thu Sep 15, 2011 6:59 pm
      Draft 11 record number 39 Steven Edwards Fri Sep 16, 2011 4:47 am
      Draft 11 record number 40 Steven Edwards Fri Sep 16, 2011 8:02 am
      After 47 days Steven Edwards Mon Sep 19, 2011 10:34 am
            Output from the top status utility Steven Edwards Mon Sep 19, 2011 5:30 pm
      After 51 days Steven Edwards Fri Sep 23, 2011 1:08 pm
            Re: After 51 days Steven Edwards Fri Sep 23, 2011 1:38 pm
                  Re: Verification of large draft 8 record. Jesús Muñoz Fri Sep 23, 2011 5:05 pm
                        Try one of these Steven Edwards Fri Sep 23, 2011 6:55 pm
                              Re: Try one of these Paul Byrne Sat Sep 24, 2011 3:11 am
                                    Re: Try one of these Steven Edwards Sat Sep 24, 2011 6:23 am
                                          Re: Try one of these Paul Byrne Sat Sep 24, 2011 3:41 pm
                              Re: Try one of these Paul Byrne Sat Sep 24, 2011 5:40 pm
      Draft 11 record number 41 Steven Edwards Sat Sep 24, 2011 6:07 pm
      Draft 11 record number 42 Steven Edwards Sun Sep 25, 2011 8:18 am
      Draft 11 record number 43 Steven Edwards Mon Sep 26, 2011 12:09 am
      Draft 11 record numbers 44 and 45 Steven Edwards Mon Sep 26, 2011 12:32 pm
      Draft 11 record number 46 Steven Edwards Mon Sep 26, 2011 11:16 pm
      Draft 11 record number 47 Steven Edwards Tue Sep 27, 2011 9:41 am
      Draft 11 record number 48 Steven Edwards Wed Sep 28, 2011 11:43 pm
      After 61 days of calculation Steven Edwards Tue Oct 04, 2011 12:49 am
      Draft 11 record number 49 Steven Edwards Sun Oct 09, 2011 5:31 pm
      Draft 11 record number 50 Steven Edwards Mon Oct 10, 2011 1:44 am
      Draft 11 record number 51 Steven Edwards Mon Oct 10, 2011 4:53 pm
      Re: Perft(13) [3.4 GHz Core i7-2600, 16 GB RAM] Terry McCracken Tue Oct 11, 2011 2:19 pm
            Re: Perft(13) [3.4 GHz Core i7-2600, 16 GB RAM] Steven Edwards Tue Oct 11, 2011 3:09 pm
                  Re: Perft(13) [3.4 GHz Core i7-2600, 16 GB RAM] Terry McCracken Tue Oct 11, 2011 3:44 pm
                        Re: Perft(13) [3.4 GHz Core i7-2600, 16 GB RAM] Steven Edwards Tue Oct 11, 2011 5:46 pm
                              Re: Perft(13) [3.4 GHz Core i7-2600, 16 GB RAM] Terry McCracken Tue Oct 11, 2011 6:06 pm
                                    Re: Perft(13) [3.4 GHz Core i7-2600, 16 GB RAM] Steven Edwards Wed Oct 12, 2011 9:31 am
                                          Re: Perft(13) [3.4 GHz Core i7-2600, 16 GB RAM] Terry McCracken Wed Oct 12, 2011 11:00 pm
      Draft 11 record numbers 52 and 53 Steven Edwards Tue Oct 11, 2011 3:12 pm
      Draft 11 record number 54 Steven Edwards Wed Oct 12, 2011 9:11 am
      Draft 11 record number 55 Steven Edwards Thu Oct 13, 2011 2:21 am
      Draft 11 record number 56 Steven Edwards Thu Oct 13, 2011 5:19 am
      After 79 days Steven Edwards Sat Oct 22, 2011 3:13 am
      Another restart Steven Edwards Tue Nov 01, 2011 11:37 pm
            Re: Another restart Steven Edwards Wed Nov 02, 2011 5:29 am
      Draft 11 record number 57 Steven Edwards Thu Nov 03, 2011 10:51 pm
      Draft 11 record number 58 Steven Edwards Sun Nov 06, 2011 1:21 pm
      Draft 11 record number 59 Steven Edwards Tue Nov 08, 2011 1:51 pm
      Draft 11 record number 60 Steven Edwards Tue Nov 08, 2011 6:03 pm
      Draft 11 record number 61 Steven Edwards Wed Nov 09, 2011 10:30 am
      Draft 11 record number 62 Steven Edwards Thu Nov 10, 2011 4:00 am
      Draft 11 results summary: records 1-50 Steven Edwards Fri Nov 11, 2011 9:56 am
      Draft 11 record number 63 Steven Edwards Sat Nov 12, 2011 9:55 am
      Draft 11 record number 64 Steven Edwards Sat Nov 12, 2011 2:11 pm
      After 15 weeks Steven Edwards Fri Nov 18, 2011 3:15 am
      After 16 weeks Steven Edwards Thu Nov 24, 2011 8:37 am
      After 17 weeks Steven Edwards Thu Dec 01, 2011 2:46 pm
      Draft 11 record number 65 Steven Edwards Mon Dec 05, 2011 6:32 pm
            Re: Draft 11 record number 63 Matthew R. Brades Tue Dec 06, 2011 1:07 pm
                  Re: Draft 11 record number 63 Steven Edwards Tue Dec 06, 2011 1:27 pm
      Draft 11 record number 66 Steven Edwards Tue Dec 06, 2011 11:51 pm
      Draft 11 record number 67 Steven Edwards Wed Dec 07, 2011 1:08 am
      Draft 11 record number 68 Steven Edwards Wed Dec 07, 2011 4:25 am
      Draft 11 record number 69 Steven Edwards Wed Dec 07, 2011 10:35 am
      After 18 weeks Steven Edwards Thu Dec 08, 2011 11:42 am
      Draft 11 record number 70 Steven Edwards Thu Dec 08, 2011 2:35 pm
      Draft 11 record number 71 Steven Edwards Fri Dec 09, 2011 5:42 am
      Re: Perft(13) [3.4 GHz Core i7-2600, 16 GB RAM] Steven Edwards Sat Dec 10, 2011 1:37 am
      After 19 weeks Steven Edwards Thu Dec 15, 2011 5:16 am
      Perft(11) of 1.- f3, f6. Jesús Muñoz Fri Dec 16, 2011 5:17 pm
            Re: Perft(11) of 1.- f3, f6. Steven Edwards Fri Dec 16, 2011 6:03 pm
      After 20 weeks Steven Edwards Thu Dec 22, 2011 10:02 am
            'MonteCarlo Perft' vs. 'exact Perft'. Jesús Muñoz Fri Dec 23, 2011 6:21 pm
      After 21 weeks Steven Edwards Thu Dec 29, 2011 5:56 am
      Draft 11 record numbers 73 through 80 Steven Edwards Wed Jan 04, 2012 2:29 am
      After 22 weeks Steven Edwards Thu Jan 05, 2012 5:24 am
      After 23 weeks Steven Edwards Thu Jan 12, 2012 5:10 am
      Draft 11 results available for download Steven Edwards Tue Jan 17, 2012 10:41 am
      After 24 weeks Steven Edwards Thu Jan 19, 2012 6:30 am
      After 25 weeks Steven Edwards Thu Jan 26, 2012 5:08 am
      End of thread Steven Edwards Sun Jan 29, 2012 4:44 am
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