Analysis Logs
Transparency record of all data processing, algorithm updates, and dataset revisions. We maintain this log to ensure reproducibility of our research.
| Date / ID | Category | Change Log |
|---|---|---|
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Jan 24, 2026 #LOG-294 |
Dataset Update |
Blitz Data Cleaning - Batch 4 v1.0.2
Removed 1,402 games identified as "abandoned" (less than 4 moves). Recalculated average centipawn loss for the 1500-1600 Elo bracket. Re-uploaded to Zenodo repository.
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Jan 18, 2026 #LOG-291 |
Algorithm |
Tilt Index Metric Adjustment
Adjusted the sensitivity of the "Tilt Index" calculation. Previous threshold for "Severe Blunder" was -2.0 eval; updated to -3.0 to reduce noise from speculative sacrifices in Tal-style positions.
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Dec 30, 2025 #LOG-288 |
Infrastructure |
Stockfish 16.1 Integration
Upgraded backend analysis engine from Stockfish 15 to 16.1 (NNUE). All new game analysis logs will use the updated evaluation function. Older logs remain on v15 for consistency.
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Dec 12, 2025 #LOG-280 |
Correction |
Metadata Fix: KID Dataset
Fixed parsing error in PGN headers where "BlackElo" was missing in 5% of games. The affected files have been patched. No impact on move analysis data.
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