diff --git a/docs/restart-12-oktober.md b/docs/restart-12-oktober.md
index e137d6c..88f165e 100644
--- a/docs/restart-12-oktober.md
+++ b/docs/restart-12-oktober.md
@@ -23,6 +23,17 @@ Ollama reset on 12 October. Until then only no-cloud work. This is the plan for
 or exception task, so the trained model could not be measured on them. Each slot is checked against the training pool. Review: `docs/eval-spotcheck-new-kinds.md`
 (Kral checks about 10 tasks). Run it before the training tasks so that the training tasks can be checked against the finished eval tasks.
 
+## 1c. Step 0b: rerun of four empirical filter runs (Kral + Opus 2026-10-06)
+
+Four eval candidates saw or read leftover objects of other runs in the first empirical filter (`docs/foreign-objects-report.md`): **G0183, G0180, G0143, G0185** (DeepSeek, scores 80, 85, 85, 85).
+After step 0 (eval generation for the new kinds), with the fixed proxy:
+
+`python3 -m harness.empirical --model deepseek-v4.1-flash:cloud --run-base 450000 --rerun G0183 G0180 G0143 G0185`
+
+This writes only to `runs/emp_rerun/` (4 runs, about 1 ledger) and prints old and new filter decision per task. `empirical.json` and the eval set are **not** touched. Decision rules (step F):
+easy candidate = score 95 or more and at most 20 tool calls; flag = score under 50 (a strong model fails although the reference passes); else normal. **If a decision changes for one of the four, report it to Kral and
+Opus first; the eval set is changed only after their answer.** If nothing changes, say so in `docs/eval-inceleme.md` and leave the old results.
+
 ## 2. Order of work (what the controller does by itself)
 
 Only kinds below their target share are generated and run (`harness/mix.py`, `below_target`); the kind with the biggest
diff --git a/harness/empirical.py b/harness/empirical.py
index 0b84cca..3618cdd 100644
--- a/harness/empirical.py
+++ b/harness/empirical.py
@@ -40,6 +40,43 @@ def candidates():
     return out
 
 
+def decision(score, calls):
+    """The filter decisions of step F: an easy candidate (DeepSeek >= 95 and <= 20 tool calls, tasks_gen/eval/easy_candidates.json),
+    a flag (a strong model fails, score under 50, although the reference passes: the spec may be unclear), else normal."""
+    if score is None:
+        return "no result"
+    if score >= 95 and (calls or 99) <= 20:
+        return "easy candidate"
+    return "flag: strong model fails" if score < 50 else "normal"
+
+
+def rerun(a):
+    """Rerun some tasks (after the proxy fix of 2026-10-06) WITHOUT touching empirical.json or the eval set: results go to runs/emp_rerun/,
+    then the old and the new filter decision are printed. A changed decision is reported to Kral and Opus before anything in the eval set changes."""
+    out_dir = os.path.join(ROOT, "runs", "emp_rerun")
+    os.makedirs(out_dir, exist_ok=True)
+    runner = Runner(POOL, out_dir)
+    changed = []
+    for i, tid in enumerate(a.tasks):
+        old = _json(os.path.join(POOL, tid, "empirical.json"), {}).get(a.model, {})
+        try:
+            rep, run_dir = runner.run(tid, LlmAgent(a.model, a.base_url), a.run_base + i)
+        except BudgetExceeded as e:
+            print("BUDGET", e, flush=True)
+            break
+        h = rep.get("hidden_tests") or {}
+        new = {"score": (rep.get("score") or {}).get("total"), "hidden": f"{h.get('passed')}/{h.get('total')}", "tool_calls": rep.get("tool_calls"),
+               "end_reason": rep.get("end_reason"), "run_dir": os.path.relpath(run_dir, ROOT)}
+        d_old, d_new = decision(old.get("score"), old.get("tool_calls")), decision(new["score"], new["tool_calls"])
+        line = {"task": tid, "old": {k: old.get(k) for k in ("score", "hidden", "tool_calls")}, "new": new, "decision_old": d_old, "decision_new": d_new,
+                "decision_changed": d_old != d_new}
+        open(os.path.join(out_dir, "results.jsonl"), "a").write(json.dumps(line) + "\n")
+        print(json.dumps(line), flush=True)
+        if line["decision_changed"]:
+            changed.append(tid)
+    print("DECISION CHANGED for:", changed or "none", "(nothing in tasks_gen/eval was changed)", flush=True)
+
+
 def main():
     load_env(os.path.join(ROOT, ".env"))
     ap = argparse.ArgumentParser()
@@ -47,7 +84,12 @@ def main():
     ap.add_argument("--model", required=True)
     ap.add_argument("--base-url")
     ap.add_argument("--run-base", type=int, required=True)
+    ap.add_argument("--rerun", action="store_true", help="rerun the named tasks into runs/emp_rerun/ and compare the filter decision; the eval set is not changed")
     a = ap.parse_args()
+    if a.rerun:
+        if not a.tasks:
+            raise SystemExit("--rerun needs task ids")
+        return rerun(a)
     runs_root = os.path.join(ROOT, "runs", "emp")
     os.makedirs(runs_root, exist_ok=True)
     runner = Runner(POOL, runs_root)