OpenBench

OpenBench Testing Framework

Author	Brandonuser
Creation	1756905796
Source	https://github.com/namebrandon/seajay-chess
Sha	ff1a51a05459a366af084cd9f9664a34ec497f08
Branch	tune/20250903-foundation
Bench	19191913
Network
Options	Threads=1 Hash=8
Time	10.0+0.10
Opening Book	UHO_Lichess_4852_v1.epd
Upload PGNs	FALSE
Syzygy WDL	DISABLED
Syzygy ADJ.	OPTIONAL
Win ADJ.	movecount=3 score=1400
Draw ADJ.	movenumber=40 movecount=8 score=10
Scaling	DEV 8097796 NPS
Alpha	0.602
Gamma	0.101
A-Ratio	0.1
Reporting	BATCHED
Distribution	SINGLE
Pairs Per Point	8

tune/20250903-foundation vs tune/20250903-foundation

Approve Restart Delete

CountermoveBonus, int, 7700.0, 4000.0, 16000.0, 600.0, 0.002
AspirationWindow, int, 16.0, 5.0, 50.0, 3.0, 0.002
AspirationMaxAttempts, int, 5.0, 3.0, 10.0, 1.0, 0.002

Copy SPSA Inputs

CountermoveBonus, 7950
AspirationWindow, 13
AspirationMaxAttempts, 5

Copy SPSA Outputs

Tuning 3 Parameters
17434/25000 Iterations
278952/400000 Games Played

Name	Curr	Start	Min	Max	C	C_end	R	R_end
CountermoveBonus	7949.7195	7700	4000	16000	622.2406	600.0000	0.0023	0.0020
AspirationWindow	12.9646	16	5	50	3.1112	3.0000	0.0023	0.0020
AspirationMaxAttempts	5.2630	5	3	10	1.0371	1.0000	0.0023	0.0020

#	User	Updated	Games	Won	Lost	Drawn	Time
402	Brandonuser	1756906404	198	75	65	58	0
9	Brandonuser	1756949246	15216	5246	5119	4851	0
403	Brandonuser	1756906392	198	65	76	57	0
405	Brandonuser	1756908492	2654	916	888	850	0
401	Brandonuser	1756906406	208	74	66	68	0
308	Brandonuser	1756949248	14668	4962	4897	4809	4
404	Brandonuser	1756906410	202	70	67	65	0
306	Brandonuser	1756949230	40356	13679	13613	13064	3
406	Brandonuser	1756949235	34770	11719	11719	11332	4
407	Brandonuser	1756949231	34758	11692	11683	11383	1
408	Brandonuser	1756913486	5438	1794	1888	1756	1
409	Brandonuser	1756949236	39828	13555	13325	12948	4
410	Brandonuser	1756949256	21964	7332	7389	7243	2
411	Brandonuser	1756920140	2560	856	884	820	0
412	Brandonuser	1756949256	25082	8573	8332	8177	0
413	Brandonuser	1756949257	24016	7976	8019	8021	1
416	Brandonuser	1756938779	474	160	162	152	0
419	Brandonuser	1756938788	328	109	109	110	0
423	Brandonuser	1756938805	78	25	24	29	0
426	Brandonuser	1756942193	256	92	77	87	0
430	Brandonuser	1756942220	256	81	93	82	0
433	Brandonuser	1756942418	292	91	96	105	0
435	Brandonuser	1756949242	2556	835	850	871	0
434	Brandonuser	1756949257	5630	1878	1898	1854	0
436	Brandonuser	1756949229	5026	1740	1710	1576	0
437	Brandonuser	1756949251	972	320	322	330	0
439	Brandonuser	1756949245	968	318	328	322	0