A square dominated by a white knight where white has equal or superior control over black.
SAE concept sae_6975 fires when a square dominated by a white knight where white has equal or superior control over black.. It appears in 599 of 9,950 Climbchess puzzles (6.0%), spanning ELO 643–2611 (median 1241).
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This page documents A square dominated by a white knight where 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:
A square dominated by a white knight where white has equal or superior control over black.
This pattern fires in 599 of our 9,950 tagged puzzles. The puzzles where it appears span ELO 643 to 2611, with a median rating of 1241. That distribution tells you whether this is a beginner cue or a master-level subtlety.
Pattern statistics
| Concept ID | sae_6975 |
|---|---|
| Puzzles where it fires | 599 |
| Min ELO | 643 |
| Median ELO | 1241 |
| Max ELO | 2611 |
| Coverage | 6.02% 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 zrzrE — ELO 643, themes: advantage, fork, master, side to move: Black
- Puzzle zumUB_M — ELO 792, themes: crushing, endgame, fork, side to move: Black
- Puzzle zy4u4_F — ELO 854, themes: advantage, endgame, fork, side to move: Black
- Puzzle 01Zrc — ELO 952, themes: crushing, endgame, fork, side to move: Black
- Puzzle zyO1w_F — ELO 1056, themes: crushing, deflection, discoveredAttack, side to move: White
- Puzzle xVhsO_M — ELO 1241, themes: arabianMate, endgame, mate, side to move: Black
- Puzzle xneYF_F — ELO 1512, themes: endgame, hookMate, mate, side to move: White
- Puzzle zvwhH_M — ELO 1668, themes: crushing, endgame, fork, side to move: Black
- Puzzle xwKT6 — ELO 1951, themes: master, mate, mateIn1, side to move: Black
- Puzzle xNJT9 — ELO 2296, themes: anastasiaMate, attraction, kingsideAttack, 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_6975?
A square dominated by a white knight where white has equal or superior control over black. 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 599 tagged puzzles (6.0% of the set), spanning Lichess ELO 643 to 2611 with a median of 1241.
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.