Six perft(7) mismatches from work unit 529

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

Six perft(7) mismatches from work unit 529

Post by sje »

Six perft(7) mismatches from work unit 529:

Mostly I'm looking for evidence of cosmic ray events.

Code: Select all

40837c40837
< rnbqkbnr/1pp2ppp/3p4/p3p3/6P1/4PK2/PPPP1P1P/RNBQ1BNR b kq - 0 4 24 21188871057 508532905368
---
> rnbqkbnr/1pp2ppp/3p4/p3p3/6P1/4PK2/PPPP1P1P/RNBQ1BNR b kq - 0 4 24 21188864257 508532742168
41240c41240
< rnbqkbnr/1pp2ppp/3p4/p3p3/8/2P1PK2/PP1P1PPP/RNBQ1BNR b kq - 1 4 24 20811621188 499478908512
---
> rnbqkbnr/1pp2ppp/3p4/p3p3/8/2P1PK2/PP1P1PPP/RNBQ1BNR b kq - 1 4 24 20811617910 499478829840
58523c58523
< rnbqkbnr/1pp2ppp/p2p4/4p3/6P1/4PK2/PPPP1P1P/RNBQ1BNR b kq - 0 4 24 16969695365 407272688760
---
> rnbqkbnr/1pp2ppp/p2p4/4p3/6P1/4PK2/PPPP1P1P/RNBQ1BNR b kq - 0 4 24 16969689025 407272536600
58925c58925
< rnbqkbnr/1pp2ppp/p2p4/4p3/8/2P1PK2/PP1P1PPP/RNBQ1BNR b kq - 1 4 24 16841872525 404204940600
---
> rnbqkbnr/1pp2ppp/p2p4/4p3/8/2P1PK2/PP1P1PPP/RNBQ1BNR b kq - 1 4 24 16841869001 404204856024
67497c67497
< rnbqkbnr/1pp2ppp/p3p3/3p4/6P1/4PK2/PPPP1P1P/RNBQ1BNR b kq - 0 4 24 24459058773 587017410552
---
> rnbqkbnr/1pp2ppp/p3p3/3p4/6P1/4PK2/PPPP1P1P/RNBQ1BNR b kq - 0 4 24 24459057097 587017370328
67899c67899
< rnbqkbnr/1pp2ppp/p3p3/3p4/8/2P1PK2/PP1P1PPP/RNBQ1BNR b kq - 1 4 24 23864613087 572750714088
---
> rnbqkbnr/1pp2ppp/p3p3/3p4/8/2P1PK2/PP1P1PPP/RNBQ1BNR b kq - 1 4 24 23864611895 572750685480
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pkumar
Posts: 100
Joined: Tue Oct 15, 2013 5:45 pm

Re: Six perft(7) mismatches from work unit 529

Post by pkumar »

My results:

Code: Select all

nameless> perft 7

&#40;CR to end input&#41; epdfile=perftSE22.epd

rnbqkbnr/1pp2ppp/3p4/p3p3/6P1/4PK2/PPPP1P1P/RNBQ1BNR b kq - 0 4 24 21188864257 ;#1
perft D7&#58; 21188864257

rnbqkbnr/1pp2ppp/3p4/p3p3/8/2P1PK2/PP1P1PPP/RNBQ1BNR b kq - 1 4 24 20811617910 ;#2
perft D7&#58; 20811617910

rnbqkbnr/1pp2ppp/p2p4/4p3/6P1/4PK2/PPPP1P1P/RNBQ1BNR b kq - 0 4 24 16969689025 ;#3
perft D7&#58; 16969689025

rnbqkbnr/1pp2ppp/p2p4/4p3/8/2P1PK2/PP1P1PPP/RNBQ1BNR b kq - 1 4 24 16841869001 ;#4
perft D7&#58; 16841869001

rnbqkbnr/1pp2ppp/p3p3/3p4/6P1/4PK2/PPPP1P1P/RNBQ1BNR b kq - 0 4 24 24459057097 ;#5
perft D7&#58; 24459057097

rnbqkbnr/1pp2ppp/p3p3/3p4/8/2P1PK2/PP1P1PPP/RNBQ1BNR b kq - 1 4 24 23864611895 ;#6
perft D7&#58; 23864611895
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User avatar
sje
Posts: 4675
Joined: Mon Mar 13, 2006 7:43 pm

Re: Six perft(7) mismatches from work unit 529

Post by sje »

Thank you for your verification calculations.

It is only by such independent calculations that errors due to cosmic rays can be detected.

----

Symbolic has produced more than 55,300,000 perft(7) results so far, about 57.37% of the 96,400,068 needed.
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