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Expand TT key fragment to 21 bits - #430

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TheRealGioviok merged 3 commits into
official-clockwork:mainfrom
87flowers:tt-21bit
Sep 27, 2026
Merged

TheRealGioviok merged 3 commits into
official-clockwork:mainfrom
87flowers:tt-21bit

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STC

Test  | tt-21bit
Elo   | 8.64 +- 4.20 (95%)
SPRT  | 8.0+0.08s Threads=1 Hash=1MB
LLR   | 2.95 (-2.94, 2.94) [0.00, 3.00]
Games | N: 8932 W: 2440 L: 2218 D: 4274
Penta | [102, 979, 2105, 1155, 125]

https://ob.cwchess.org/test/1633/

LTC

Test  | tt-21bit
Elo   | 4.14 +- 2.61 (95%)
SPRT  | 40.0+0.40s Threads=1 Hash=16MB
LLR   | 2.97 (-2.94, 2.94) [0.00, 3.00]
Games | N: 18718 W: 4827 L: 4604 D: 9287
Penta | [86, 2124, 4720, 2339, 90]

https://ob.cwchess.org/test/1634/

Bench: 12433713

@TheRealGioviok
TheRealGioviok merged commit 8ee523a into official-clockwork:main Sep 27, 2026
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@87flowers
87flowers deleted the tt-21bit branch September 27, 2026 12:34
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2 participants