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2026-08-25Add LMR with PV-adjacency guard (v7), verified against saved binaryScott Gasch
Late Move Reductions using a depth x movecount table (Ethereal-style formula), gated off PV nodes and the ply directly below a PV node (PLY_INFO.fIsPVNode), with magnitude-aware re-search on fail-high. Verified node-for-node identical to the previously tested-good v7 binary on a canary position (sd 10) after reconstructing from a ZFS snapshot of search.c/root.c/split.c taken just before that binary was built. Co-Authored-By: Claude Sonnet 5 <[email protected]>
2026-08-23Integrate new syzygy egtb code, lose the old Nalimov code.Scott Gasch
2026-08-23Clean X64 build and ported GetAttacks to x64.Scott Gasch
2016-06-01Initial checkin for typhoon chess engine.Scott Gasch