diff --git a/engine-wasm/bench.mjs b/engine-wasm/bench.mjs
index f45b59c..0a0e875 100644
--- a/engine-wasm/bench.mjs
+++ b/engine-wasm/bench.mjs
@@ -35,6 +35,7 @@ const { positions } = JSON.parse(readFileSync(sitePath("wasm/positions.json"), "
 const times = await measureTimes({
     bestMove: (...args) => engine.run(commands.bestMove(...args)),
     cubeDecision: (...args) => engine.run(commands.cubeDecision(...args)),
+    analyseMove: (...args) => engine.run(commands.analyseMove(...args)),
 }, positions, (done, total) => process.stderr.write("\r  " + done + "/" + total + " calculs"));
 process.stderr.write("\n");
 
diff --git a/web/engine-wasm.mjs b/web/engine-wasm.mjs
index 3430d27..7c66372 100644
--- a/web/engine-wasm.mjs
+++ b/web/engine-wasm.mjs
@@ -78,6 +78,8 @@ export const commands = {
         ["--ply", ply, "cube", positionId, matchId],
     evaluate: (positionId, matchId, ply) =>
         ["--ply", ply, "eval", positionId, matchId],
+    analyseMove: (positionId, matchId, dice, playedPositionId, ply) =>
+        ["--ply", ply, "analysemove", positionId, matchId, diceText(dice), playedPositionId],
     reference: (positionId, matchId, dice, ply) =>
         ["--ply", ply, "reference", positionId, matchId, ...(dice ? [diceText(dice)] : [])],
 };
diff --git a/web/moteur/bench-page.mjs b/web/moteur/bench-page.mjs
index f6a47c1..dcf5f4d 100644
--- a/web/moteur/bench-page.mjs
+++ b/web/moteur/bench-page.mjs
@@ -43,6 +43,7 @@ async function measure() {
     const times = await measureTimes({
         bestMove: (...args) => engine.bestMove(...args).then(keepMemory),
         cubeDecision: (...args) => engine.cubeDecision(...args).then(keepMemory),
+        analyseMove: (...args) => engine.analyseMove(...args).then(keepMemory),
     }, positions, (done, total) => {
         $("status").textContent = "Calcul " + done + " sur " + total + "…";
     });
diff --git a/web/moteur/benchmark.mjs b/web/moteur/benchmark.mjs
index 2c7d15b..c8ea54f 100644
--- a/web/moteur/benchmark.mjs
+++ b/web/moteur/benchmark.mjs
@@ -15,6 +15,9 @@ export const TIME_THRESHOLDS = [
     { key: "move0", label: "Meilleur coup, 0 pli", limitMs: 300 },
     { key: "move2", label: "Meilleur coup, 2 plis", limitMs: 3000 },
     { key: "cube2", label: "Décision de videau, 2 plis", limitMs: 3000 },
+    // Étape 1a : l'analyse du coup joué, pour le conseil du maître, calculée
+    // en arrière-plan ; même repère que le meilleur coup (ADR 0009).
+    { key: "analysis2", label: "Analyse du coup joué, 2 plis", limitMs: 3000 },
 ];
 
 // Taille totale à télécharger, compressée : moins de 40 Mo.
@@ -34,19 +37,29 @@ export const DOWNLOADED_FILES = [
     "wasm/engine.data",
 ];
 
-// engine : objet avec bestMove(positionId, matchId, dice, ply) et
-// cubeDecision(positionId, matchId, ply), qui renvoient (ou promettent)
-// { result, ms }.
+// engine : objet avec bestMove(positionId, matchId, dice, ply),
+// cubeDecision(positionId, matchId, ply) et analyseMove(positionId, matchId,
+// dice, playedPositionId, ply), qui renvoient (ou promettent) { result, ms }.
+// Le coup analysé est le meilleur coup à 0 pli : celui qu'un joueur aurait
+// pu jouer, analysé à 2 plis comme pour le conseil du maître.
 // positions : le tableau « positions » de positions.json.
 // onProgress(done, total) : appelé après chaque calcul.
 // Renvoie, pour chaque clé de TIME_THRESHOLDS, la liste des
 // { id, ms } mesurés.
 export async function measureTimes(engine, positions, onProgress = () => {}) {
     const tasks = [];
+    const played = new Map();
     for (const p of positions) {
         if (p.type === "move") {
-            tasks.push(["move0", p, () => engine.bestMove(p.position_id, p.match_id, p.dice, 0)]);
+            tasks.push(["move0", p, async () => {
+                const answer = await engine.bestMove(p.position_id, p.match_id, p.dice, 0);
+                // Sans coup possible, n'importe quelle position fait l'affaire.
+                played.set(p.id, answer.result.best_move?.position_id ?? p.position_id);
+                return answer;
+            }]);
             tasks.push(["move2", p, () => engine.bestMove(p.position_id, p.match_id, p.dice, 2)]);
+            tasks.push(["analysis2", p, () => engine.analyseMove(p.position_id, p.match_id, p.dice,
+                played.get(p.id), 2)]);
         } else {
             tasks.push(["cube2", p, () => engine.cubeDecision(p.position_id, p.match_id, 2)]);
         }
diff --git a/web/moteur/engine-client.mjs b/web/moteur/engine-client.mjs
index f8ddfc5..b50b436 100644
--- a/web/moteur/engine-client.mjs
+++ b/web/moteur/engine-client.mjs
@@ -58,6 +58,8 @@ export function startEngine() {
             run(commands.bestMove(positionId, matchId, dice, ply)),
         cubeDecision: (positionId, matchId, ply) =>
             run(commands.cubeDecision(positionId, matchId, ply)),
+        analyseMove: (positionId, matchId, dice, playedPositionId, ply) =>
+            run(commands.analyseMove(positionId, matchId, dice, playedPositionId, ply)),
         evaluate: (positionId, matchId, ply) =>
             run(commands.evaluate(positionId, matchId, ply)),
         reference: (positionId, matchId, dice, ply) =>