Detects endgame positions with clear white dominance — active king, advanced passer, or superior minor piece — where the winning plan centres on queening.
SAE concept sae_1394 fires when detects endgame positions with clear white dominance — active king, advanced passer, or superior minor piece — where the winning plan centres on queening.. It appears in 15 of 9,950 Climbchess puzzles (0.2%), spanning ELO 610–1907 (median 1041).
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This page documents Detects endgame positions with clear white…, one of 4,505 interpretable chess concepts extracted from Leela Chess Zero via sparse autoencoders. The full feature description from our SAE labelling pipeline reads:
Detects endgame positions with clear white dominance — active king, advanced passer, or superior minor piece — where the winning plan centres on queening.
This pattern fires in 15 of our 9,950 tagged puzzles. The puzzles where it appears span ELO 610 to 1907, with a median rating of 1041. That distribution tells you whether this is a beginner cue or a master-level subtlety.
Pattern statistics
| Concept ID | sae_1394 |
|---|---|
| Puzzles where it fires | 15 |
| Min ELO | 610 |
| Median ELO | 1041 |
| Max ELO | 1907 |
| Coverage | 0.15% of puzzle set |
Related concepts
The five concepts most often co-firing alongside this one (Jaccard similarity over the puzzle co-occurrence graph) are:
Example puzzles
Below are 10 puzzles spanning the rating distribution. Each links to its own page with full move list and related concepts.
- Puzzle ydABK_M — ELO 610, themes: crushing, endgame, hangingPiece, side to move: White
- Puzzle zzNuy — ELO 614, themes: advancedPawn, crushing, endgame, side to move: White
- Puzzle zzNuy_M — ELO 614, themes: advancedPawn, crushing, endgame, side to move: White
- Puzzle z9HTk — ELO 663, themes: advancedPawn, advantage, defensiveMove, side to move: White
- Puzzle zvfu5 — ELO 1041, themes: advancedPawn, crushing, endgame, side to move: White
- Puzzle zvfu5_F — ELO 1041, themes: advancedPawn, crushing, endgame, side to move: Black
- Puzzle zpr2o — ELO 1653, themes: advancedPawn, bishopEndgame, crushing, side to move: White
- Puzzle zpr2o_F — ELO 1653, themes: advancedPawn, bishopEndgame, crushing, side to move: Black
- Puzzle zwtHq — ELO 1907, themes: advancedPawn, crushing, endgame, side to move: White
- Puzzle zwtHq_F — ELO 1907, themes: advancedPawn, crushing, endgame, side to move: Black
How to use this page
If you want to train this pattern, open the Climbchess trainer and filter for puzzles tagged with this concept. The trainer surfaces them at the right difficulty for your current rating, and tracks how often you spot the cue versus miss it. You can also browse the related concepts above to see neighbouring ideas in feature space.
Climbchess concepts are not heuristics written by a human author. Each one corresponds to a single direction in the residual stream of Leela Chess Zero that activates on a specific board feature, then was labelled by reading the top-activating positions. This makes the catalogue exhaustive (every Leela-detectable pattern is in here somewhere) and falsifiable (you can replay our extraction).
Frequently asked
What is SAE concept sae_1394?
Detects endgame positions with clear white dominance — active king, advanced passer, or superior minor piece — where the winning plan centres on queening. It is one of 4,505 interpretable features extracted from Leela Chess Zero's residual stream via sparse autoencoders, then labelled by reading the top-activating positions.
Where does this pattern appear?
In 15 tagged puzzles (0.2% of the set), spanning Lichess ELO 610 to 1907 with a median of 1041.
How do I train it?
Open the Climbchess trainer and filter for puzzles tagged with this concept. The trainer adapts difficulty using your live recognition profile and tracks how often you spot the cue versus miss it.
Is it free?
Yes. Climbchess is free forever, with no account, email, or signup required. You can delete your data at any time.