Run T-0042 failed
· Evidence: SPRT Sequential probability ratio test. Games are played until the accumulated evidence reaches one of two bounds; then the test stops.
Hypothesis
Restricting quiescence stalemate checks to low-material positions without an unblocked pawn should correct drawn endgame scores without paying for legal move generation on common stand-pat exits.
Stages
| Field | short stage |
|---|---|
| Verdict | failed |
| 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. | −9.79 ± 7.47 |
| 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. | −13.26 ± 10.10 |
| Games | 4,542 |
| Wins / draws / losses | 1,479 / 1,456 / 1,607 |
| pentanomial Games are played in pairs with swapped colours; the five counts are the pairs scoring 0, ½, 1, 1½ and 2 points. | 204 / 513 / 942 / 431 / 181 |
| LLR Log-likelihood ratio, the running evidence of an SPRT. It starts at 0; a stage passes at the upper bound (about +2.94) and fails at the lower one (about −2.94). | −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 | 32 min |
Provenance
- Date
- 2026-08-30
- Started
- 2026-08-30 09:18:22 UTC
- Duration
- 32 min
- Author
- Agent B
- Bench nodes
- 3,786
- Commit
f8704964ab5411de64186a6a24d53b3b11e8e6d1- SHA-256 A cryptographic hash. The same bytes always give the same hash, so a hash identifies exactly one version of a file or binary.
54b0e2d7832cf5df4dd32bb0e61b4ef7776167f936a971f58c5fa607f1c5b021