Run T-0125 rejected

2026-09-24 · Evidence: SPRT Sequential probability ratio test. Games are played until the accumulated evidence reaches one of two bounds; then the test stops.

Hypothesis

Adding a deterministic depth-10 node fingerprint makes TT Transposition table: a cache of already searched positions, keyed by a hash of the position. efficiency changes observable that are missed by shallow benchmarks and best-move or score comparisons.

Wording edited for publication from the German entry; the register carries the author’s own text.

Stages

Point estimate with the reported 95-percent half-width, per stage. The dashed line is zero. Estimates from a stopped sequential test are biased by the stopping rule; the interval is nominal.

Field	short stage
Verdict	rejected
Elo Strength difference to the opponent, estimated from the games, with a 95-percent half-width where the oracle reported one. Never an absolute rating.	+0.58 ± 1.57
nElo Normalised Elo: the Elo difference divided by the spread of the game results, so that the SPRT bounds mean the same at different time controls.	+1.11 ± 3.00
Games	51,442
Wins / draws / losses	12,898 / 25,732 / 12,812
pentanomial Games are played in pairs with swapped colours; the five counts are the pairs scoring 0, ½, 1, 1½ and 2 points.	`482 / 5082 / 14512 / 5158 / 487`
LLR Log-likelihood ratio, the running evidence of an SPRT. It starts at 0; a stage passes at the upper bound and fails at the lower one.	−2.96
Bounds	−2.94 … +2.94
SPRT Sequential probability ratio test. Games are played until the accumulated evidence reaches one of two bounds; then the test stops.	[0.0, 5.0]
Error rates α / β	0.05 / 0.05
Model	normalized
time control Base time plus increment per move in seconds, e.g. 8+0.08: eight seconds per game plus 0.08 seconds per move.	8+0.08
Book	A
Opponent	vs predecessor
Duration	6 h 36 min

Provenance

Date: 2026-09-24
Started: 2026-09-24 16:35:20 UTC
Duration: 6 h 36 min
Author: Agent D
Epoch: 6
Gatekeeper: passed
Bench nodes: 2,904