Perft(14) Weekly Status Report

Discussion of chess software programming and technical issues.

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ankan
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Joined: Sun Apr 21, 2013 3:29 pm
Full name: Ankan Banerjee

Re: Perft(14) Weekly Status 2014-12-28

Post by ankan »

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sje
Posts: 4675
Joined: Mon Mar 13, 2006 7:43 pm

A maximum value

Post by sje »

I've updated my cloud files for the 500-599 results.

For the 400-599 range, the maximum perft(7) count is 262,332,913,773 and this comes from wu7.458:
[d]r1b1kbnr/pppp1ppp/2n1p3/6q1/6Q1/2NBP3/PPPP1PPP/R1B1K1NR b KQkq - 4 4[/d]
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sje
Posts: 4675
Joined: Mon Mar 13, 2006 7:43 pm

Re: A maximum value

Post by sje »

sje wrote:I've updated my cloud files for the 500-599 results.

For the 400-599 range, the maximum perft(7) count is 262,332,913,773 and this comes from wu7.458:
[d]r1b1kbnr/pppp1ppp/2n1p3/6q1/6Q1/2NBP3/PPPP1PPP/R1B1K1NR b KQkq - 4 4[/d]
Verified:

Code: Select all

[] pctran 7
ME: Ba3 7,062,048,915
ME: Bb4 6,883,243,255
ME: Bc5 7,652,078,951
ME: Bd6 7,885,774,323
ME: Be7 6,934,002,261
ME: Kd8 6,238,112,722
ME: Ke7 3,907,995,417
ME: Na5 5,508,175,848
ME: Nb4 5,349,652,031
ME: Nb8 5,261,337,475
ME: Nce7 3,928,678,806
ME: Nd4 6,058,268,842
ME: Nd8 4,734,489,073
ME: Ne5 4,959,435,756
ME: Nf6 6,755,449,228
ME: Nge7 4,926,019,808
ME: Nh6 6,142,744,585
ME: Qa5 6,405,348,416
ME: Qb5 6,580,839,285
ME: Qc5 6,732,107,839
ME: Qd5 7,359,288,410
ME: Qd8 3,356,450,202
ME: Qe5 7,149,142,869
ME: Qe7 3,388,481,671
ME: Qf4 6,197,915,373
ME: Qf5 6,278,209,040
ME: Qf6 5,706,957,484
ME: Qg6 4,432,367,731
ME: Qh4 5,603,593,708
ME: Qh5 6,222,256,232
ME: Qh6 4,550,309,712
ME: Qxe3+ 869,105,486
ME: Qxg4 2,344,941,802
ME: Rb8 6,371,731,757
ME: a5 6,903,347,960
ME: a6 7,108,135,747
ME: b5 6,337,501,237
ME: b6 7,271,652,924
ME: d5 5,939,288,896
ME: d6 5,367,114,025
ME: e5 4,878,100,609
ME: f5 4,371,477,763
ME: f6 5,057,353,116
ME: g6 6,371,879,184
ME: h5 6,979,739,864
ME: h6 6,010,768,135

Count: 262,332,913,773
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sje
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Joined: Mon Mar 13, 2006 7:43 pm

Thread continued in a separate topic

Post by sje »