Discussion of chess software programming and technical issues.
Moderators: hgm, Rebel, chrisw
-
sje
- Posts: 4675
- Joined: Mon Mar 13, 2006 7:43 pm
Post
by sje »
Six perft(7) mismatch positions from work unit 533:
Code: Select all
21194c21194
< rnbqkbnr/2p1pppp/p2p4/1p6/6P1/4PK2/PPPP1P1P/RNBQ1BNR b kq - 0 4 24 8915550431 213973210344
---
> rnbqkbnr/2p1pppp/p2p4/1p6/6P1/4PK2/PPPP1P1P/RNBQ1BNR b kq - 0 4 24 8915539463 213972947112
21596c21596
< rnbqkbnr/2p1pppp/p2p4/1p6/8/2P1PK2/PP1P1PPP/RNBQ1BNR b kq - 1 4 24 9534979273 228839502552
---
> rnbqkbnr/2p1pppp/p2p4/1p6/8/2P1PK2/PP1P1PPP/RNBQ1BNR b kq - 1 4 24 9534972125 228839331000
30637c30637
< rnbqkbnr/2p1pppp/pp1p4/8/6P1/4PK2/PPPP1P1P/RNBQ1BNR b kq - 0 4 24 9456112097 226946690328
---
> rnbqkbnr/2p1pppp/pp1p4/8/6P1/4PK2/PPPP1P1P/RNBQ1BNR b kq - 0 4 24 9456102245 226946453880
31039c31039
< rnbqkbnr/2p1pppp/pp1p4/8/8/2P1PK2/PP1P1PPP/RNBQ1BNR b kq - 1 4 24 9605148860 230523572640
---
> rnbqkbnr/2p1pppp/pp1p4/8/8/2P1PK2/PP1P1PPP/RNBQ1BNR b kq - 1 4 24 9605142460 230523419040
35145c35145
< rnbqkbnr/2p1pppp/pp6/3p4/6P1/4PK2/PPPP1P1P/RNBQ1BNR b kq - 0 4 24 11956880207 286965124968
---
> rnbqkbnr/2p1pppp/pp6/3p4/6P1/4PK2/PPPP1P1P/RNBQ1BNR b kq - 0 4 24 11956876255 286965030120
35547c35547
< rnbqkbnr/2p1pppp/pp6/3p4/8/2P1PK2/PP1P1PPP/RNBQ1BNR b kq - 1 4 24 11983360470 287600651280
---
> rnbqkbnr/2p1pppp/pp6/3p4/8/2P1PK2/PP1P1PPP/RNBQ1BNR b kq - 1 4 24 11983357910 287600589840
-
pkumar
- Posts: 100
- Joined: Tue Oct 15, 2013 5:45 pm
Post
by pkumar »
My results:
Code: Select all
nameless> perft 7
(CR to end input) epdfile=perftSE21.epd
rnbqkbnr/2p1pppp/p2p4/1p6/6P1/4PK2/PPPP1P1P/RNBQ1BNR b kq - 0 4 24 8915539463 ;#1
perft D7: 8915539463
rnbqkbnr/2p1pppp/p2p4/1p6/8/2P1PK2/PP1P1PPP/RNBQ1BNR b kq - 1 4 24 9534972125 ;#2
perft D7: 9534972125
rnbqkbnr/2p1pppp/pp1p4/8/6P1/4PK2/PPPP1P1P/RNBQ1BNR b kq - 0 4 24 9456102245 ;#3
perft D7: 9456102245
rnbqkbnr/2p1pppp/pp1p4/8/8/2P1PK2/PP1P1PPP/RNBQ1BNR b kq - 1 4 24 9605142460 ;#4
perft D7: 9605142460
rnbqkbnr/2p1pppp/pp6/3p4/6P1/4PK2/PPPP1P1P/RNBQ1BNR b kq - 0 4 24 11956876255 ;#5
perft D7: 11956876255
rnbqkbnr/2p1pppp/pp6/3p4/8/2P1PK2/PP1P1PPP/RNBQ1BNR b kq - 1 4 24 11983357910 ;#6
perft D7: 11983357910
-
sje
- Posts: 4675
- Joined: Mon Mar 13, 2006 7:43 pm
Post
by sje »
Thank you for your verification work.
----
Symbolic has produced more than 53,600,000 perft(7) results so far, about 55.60% of the 96,400,068 needed.
That's just past the 5/9ths mark.
The effective rate has reached another high: 226 GHz