knowledge: chess-substrate probes measured — temporal-stream [H]→[G], palette scalar-256 FENCED#680
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…yte-exact The temporal axis of the perturbation-cascade synthesis is now measured, not asserted. A chess game replayed through the incremental NNUE accumulator is a byte-exact, replayable version-stream: fresh refresh(pos@v) == the incrementally-maintained version[v] (34/34 plies), and an out-of-order replay to v matches the forward-walk version[v] (11/11 queries), on nn-1b6a82263149. Promotes the doc's 'position-at-version is a zero-copy projection' row [H]->[G]; D-SF-EPISODIC-1 marked GREEN with the result + probe pointer (stockfish-rs examples/temporal_replay.rs, PR #5). Basin/rung/AriGraph rows stay [H] pending their probes; doc remains SYNTHESIS-not-canon overall. Board hygiene: EPIPHANIES E-SF-EPISODIC-1-GREEN-1 prepended (same commit). Co-Authored-By: Claude <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Awg6TXocHcwTtc6eGsHcdD
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| | A game (ply sequence) | a `temporal.rs` sorted version-stream; ply *v* = one Lance version | **[G]** — moves already carry a total order; `apply_move` IS the step | | ||
| | "position after ply *v*" | `QueryReference::at(v, rung)` + deinterlace — a zero-copy projection, no replay | **[H]** — the read is [G]; that it needs no recomputation is the D-SF-EPISODIC-1 gate | | ||
| | "position after ply *v*" | `QueryReference::at(v, rung)` + deinterlace — a zero-copy projection, no replay | **[G]** (2026-07-11) — D-SF-EPISODIC-1 ran GREEN: the accumulator projected at ply *v* is byte-identical to the fresh-from-FEN computation (34/34), and to an out-of-order replay (11/11); see the deliverable below | |
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Here the promotion is tied to gates that compare refresh(pos@v) with an incremental accumulator and an independent replay, but those checks do not exercise the documented Lance path (QueryReference::at(v, rung) + deinterlace) in this repo; crates/lance-graph-planner/src/temporal.rs only classifies stored rows by version and has no HalfKA/FEN projection path. Marking the row GREEN therefore records the zero-copy Lance projection as verified even though the measured path is a Stockfish recomputation/replay oracle, which can mislead follow-up work into skipping the actual projection test.
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…ho trap caught Second spatial probe of the perturbation-cascade synthesis. Scalar-256 palette quantization of the NNUE FT weights (23M i16) does NOT preserve eval ranking on near-equal positions: rho_all=0.9934 (wide-spread corpus, a material-imbalance artifact) collapses to rho_quiet=0.7812 on 146 positions with |eval| <= 200 cp, eval MAE ~100 cp. The FT needs a raw-magnitude lane; the scalar-palette-tenant rhyme is fenced (the doc's predicted NO branch, measured). Methodological finding banked: gate palette/rho-preservation probes on the near-equal/quiet subset, never the wide corpus — a single naive rho would have greenlit a wrong 'palette tenant' conclusion. D-SF-V3-2 stays [H]; escalation D-PALETTE-NNUE-VEC (vector palette256²/CAM-PQ, the faithful L4-tenant-shape test) queued. Board hygiene: EPIPHANIES E-PALETTE-NNUE-SCALAR-FENCED-1 prepended. Probe: stockfish-rs examples/palette_nnue.rs (PR #5). Co-Authored-By: Claude <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Awg6TXocHcwTtc6eGsHcdD
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Summary
Records two measured probes against the perturbation-cascade synthesis doc — one promotes a row, one fences a row. Doc + board hygiene only; the measurements themselves are the stockfish-rs probes (PR #5).
1. Temporal axis — D-SF-EPISODIC-1 GREEN ([H]→[G])
A chess game replayed through the incremental NNUE accumulator is a byte-exact, replayable version-stream: fresh
refresh(pos@v)== the incrementally-maintained version[v] (34/34 plies), and an out-of-order replay to v matches the forward-walk version[v] (11/11 queries), onnn-1b6a82263149. Promotes the "position-at-version is a zero-copy projection" row [H]→[G].2. Spatial axis — D-SF-V3-2 / D-PALETTE-NNUE scalar-256 FENCED (stays [H])
Scalar-256 palette quantization of the FT weights does NOT preserve eval ranking on near-equal positions:
The FT needs a raw-magnitude lane; the scalar-palette-tenant rhyme is fenced (the doc's predicted NO branch, measured). A methodological finding is banked alongside: gate ρ-preservation probes on the near-equal subset, never the wide corpus — a single naive ρ would have greenlit a wrong "palette tenant." Escalation D-PALETTE-NNUE-VEC (vector palette256²/CAM-PQ) queued.
Changes
.claude/knowledge/stockfish-nnue-as-perturbation-cascade.md— temporal row promoted [H]→[G] with the 34/34·11/11 result + D-SF-EPISODIC-1 marked GREEN; D-SF-V3-2 marked scalar-256 FENCED with ρ_all/ρ_quiet + the vector escalation..claude/board/EPIPHANIES.md—E-SF-EPISODIC-1-GREEN-1andE-PALETTE-NNUE-SCALAR-FENCED-1prepended (same commits, per the Mandatory Board-Hygiene Rule).The doc remains SYNTHESIS-not-canon overall: one row promoted, one fenced; basin/rung/AriGraph rows still [H] pending their probes.
Testing
Doc + board only. Measurements are the stockfish-rs probes (
examples/temporal_replay.rsGREEN,examples/palette_nnue.rsFENCED), both net-gated and CI-safe.🤖 Generated with Claude Code
https://claude.ai/code/session_01Awg6TXocHcwTtc6eGsHcdD