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#!/usr/bin/env bash
#
# typhoon_nnue -- thin wrapper that execs ./typhoon with NNUE eval enabled.
#
# Mirrors the NNUE_WEIGHTS/NNUE_PROBE_WEIGHTS/NNUE_LAZY_MARGIN/
# NNUE_SUPERLAZY_MARGIN env-var convention used by eval_tune/test_vs_head.sh
# (see that file's header comment and docs/NNUE.md) so the same weights file
# works whether you're driving a head-to-head match or just want to play
# with the NNUE engine interactively/in --batch mode.
#
# Env vars (all optional):
# NNUE_WEIGHTS Path to the main net weights file. Defaults to
# eval.nnue, a symlink (next to this script) into
# head_reference/nnue/current/weights.nnue -- the
# "current best" NNUE generation, promoted only
# via head_reference/nnue/promote.sh after a real
# self-play match (see that script and
# docs/NNUE.md's "Iterating on a net" section).
# Override to run an older/other checkpoint, e.g.
# one of head_reference/nnue/archive/*.nnue or a
# not-yet-promoted candidate straight out of
# annotate_pgns/runs/<rundir>/nnue_ckpt/.
# NNUE_PROBE_WEIGHTS Path to the probe weights file ("NPRB" format).
# Enables the lazy-eval accumulator probe gate.
# No default as of 2026-10-17 -- the old default
# (annotate_pgns/nnue_probe.bin) was fit against
# the PREVIOUS net's accumulator representation;
# since nnue_ckpt_matprobe is a from-scratch
# retrain, that probe is stale/mismatched for it.
# Set this explicitly only once a probe has been
# refit against the current NNUE_WEIGHTS net.
# NNUE_LAZY_MARGIN Flat cp override for every material bucket's
# lazy-probe margin (requires NNUE_PROBE_WEIGHTS).
# NNUE_SUPERLAZY_MARGIN Flat cp margin for the even-cheaper material-only
# pre-filter (off by default).
#
# The binary path defaults to ./typhoon next to this script; override by
# setting TYPHOON_BIN.
#
# Usage:
# NNUE_WEIGHTS=/path/to/net.nnue ./typhoon_nnue [engine args...]
set -e
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
BIN="${TYPHOON_BIN:-${SCRIPT_DIR}/typhoon}"
NNUE_WEIGHTS="${NNUE_WEIGHTS:-${SCRIPT_DIR}/eval.nnue}"
#NNUE_WEIGHTS="/home/scott/typhoon/annotate_pgns/runs/sf_20261020_recal/nnue_weights.nnue"
if [ ! -f "$NNUE_WEIGHTS" ]; then
echo "typhoon_nnue: NNUE_WEIGHTS file not found: $NNUE_WEIGHTS" >&2
exit 1
fi
if [ ! -x "$BIN" ]; then
echo "typhoon_nnue: engine binary not found or not executable: $BIN" >&2
echo " (build it first, or set TYPHOON_BIN to an existing binary)" >&2
exit 1
fi
NNUE_PROBE_WEIGHTS="${NNUE_PROBE_WEIGHTS-}"
ARGS=(--nnueweights "$NNUE_WEIGHTS")
if [ -n "$NNUE_PROBE_WEIGHTS" ] && [ -f "$NNUE_PROBE_WEIGHTS" ]; then
ARGS+=(--nnueprobeweights "$NNUE_PROBE_WEIGHTS")
if [ -n "${NNUE_LAZY_MARGIN:-}" ]; then
ARGS+=(--nnuelazymargin "$NNUE_LAZY_MARGIN")
fi
fi
if [ -n "${NNUE_SUPERLAZY_MARGIN:-}" ]; then
ARGS+=(--nnuesuperlazymargin "$NNUE_SUPERLAZY_MARGIN")
fi
exec "$BIN" "${ARGS[@]}" "$@"
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