Obsidian 16 "official" vs JA compile

Discussion of anything and everything relating to chess playing software and machines.

Moderator: Ras

Jouni
Posts: 3709
Joined: Wed Mar 08, 2006 8:15 pm
Full name: Jouni Uski

Obsidian 16 "official" vs JA compile

Post by Jouni »

bmi compile tested. Bench:

official 3125283 nodes 1166585 nps
JA 3125283 nodes 1256142 nps
nice 8% speed-up :!:

Note. Engines play differently in opening position after 26 plies (default settings):
official is first

depth 25 multipv 1 score cp 25 nodes 9908145
depth 26 multipv 1 score cp 33 nodes 11522778
depth 27 multipv 1 score cp 27 nodes 13479614
depth 28 multipv 1 score cp 29 nodes 14897487
depth 29 multipv 1 score cp 28 nodes 16587159
depth 30 multipv 1 score cp 24 nodes 18347551

depth 25 multipv 1 score cp 25 nodes 9908145
depth 26 multipv 1 score cp 33 nodes 11522778
depth 27 multipv 1 score cp 27 nodes 13479615
depth 28 multipv 1 score cp 29 nodes 15230716
depth 29 multipv 1 score cp 21 nodes 20042547
depth 30 multipv 1 score cp 21 nodes 26619393

:?:

And games test 10 + 0.1 UHO book

Score of Obsidian160ja vs Obsidian160: 251 - 236 - 513 [0.507]
... Obsidian160ja playing White: 237 - 8 - 255 [0.729] 500
... Obsidian160ja playing Black: 14 - 228 - 258 [0.286] 500
... White vs Black: 465 - 22 - 513 [0.722] 1000
Elo difference: 5.2 +/- 15.0, LOS: 75.2 %, DrawRatio: 51.3 %
1000 of 1000 games finished.
Jouni