fix : forced move classification

src/lib/chess.ts

@@ -337,6 +337,7 @@ export const getLineEvalLabel = (
 
 export const moveClassificationColors: Record<MoveClassification, string> = {
   [MoveClassification.Book]: "#d5a47d",
+  [MoveClassification.Forced]: "#d5a47d",
   [MoveClassification.Brilliant]: "#26c2a3",
   [MoveClassification.Great]: "#4099ed",
   [MoveClassification.Best]: "#3aab18",

src/lib/engine/helpers/moveClassification.ts

@@ -13,7 +13,7 @@ export const getMovesClassification = (
   fens: string[]
 ): PositionEval[] => {
   const positionsWinPercentage = rawPositions.map(getPositionWinPercentage);
-  let currentOpening: string | undefined = undefined;
+  let currentOpening: string = "Unknown opening";
 
   const positions = rawPositions.map((rawPosition, index) => {
     if (index === 0) return rawPosition;
@@ -30,7 +30,8 @@ export const getMovesClassification = (
     }
 
     const prevPosition = rawPositions[index - 1];
-    if (prevPosition.bestMove && prevPosition.lines.length <= 1) {
+
+    if (prevPosition.lines.length === 1) {
       return {
         ...rawPosition,
         opening: currentOpening,
@@ -39,11 +40,9 @@ export const getMovesClassification = (
     }
 
     const playedMove = uciMoves[index - 1];
-    const bestMove = rawPositions[index - 1].bestMove;
 
-    const lastPositionAlternativeLine: LineEval | undefined = rawPositions[
+    const lastPositionAlternativeLine: LineEval | undefined =
-      index - 1
+      prevPosition.lines.filter((line) => line.pv[0] !== playedMove)?.[0];
-    ].lines.filter((line) => line.pv[0] !== playedMove)?.[0];
     const lastPositionAlternativeLineWinPercentage = lastPositionAlternativeLine
       ? getLineWinPercentage(lastPositionAlternativeLine)
       : undefined;
@@ -93,7 +92,7 @@ export const getMovesClassification = (
       };
     }
 
-    if (playedMove === bestMove) {
+    if (playedMove === prevPosition.bestMove) {
       return {
         ...rawPosition,
         opening: currentOpening,

src/sections/analysis/panelBody/analysisTab/moveInfo.tsx

@@ -48,6 +48,7 @@ export default function MoveInfo() {
   const bestMoveLabel =
     moveClassification === MoveClassification.Best ||
     moveClassification === MoveClassification.Book ||
+    moveClassification === MoveClassification.Forced ||
     moveClassification === MoveClassification.Brilliant ||
     moveClassification === MoveClassification.Great
       ? null
@@ -97,6 +98,7 @@ export default function MoveInfo() {
 
 const moveClassificationLabels: Record<MoveClassification, string> = {
   [MoveClassification.Book]: "a book move",
+  [MoveClassification.Forced]: "forced",
   [MoveClassification.Brilliant]: "brilliant !!",
   [MoveClassification.Great]: "a great move !",
   [MoveClassification.Best]: "the best move",

src/sections/analysis/panelBody/classificationTab/movesPanel/moveItem.tsx

@@ -74,11 +74,7 @@ export default function MoveItem({ san, moveClassification, moveIdx }: Props) {
           }}
         />
       )}
-      <Typography
+      <Typography color={color} fontSize="0.9rem" lineHeight="0.9rem">
-        color={getMoveColor(moveClassification)}
-        fontSize="0.9rem"
-        lineHeight="0.9rem"
-      >
         {san}
       </Typography>
     </Grid>
@@ -99,4 +95,5 @@ const getMoveColor = (moveClassification?: MoveClassification) => {
 const moveClassificationsToIgnore: MoveClassification[] = [
   MoveClassification.Good,
   MoveClassification.Excellent,
+  MoveClassification.Forced,
 ];