fix queen move bug

src/eval.c

@@ -20,14 +20,14 @@ int negamax(game *g, int depth, int alpha, int beta, int color);
 
 move *findBest(move* moves, size_t size, game* g){
   int bestScore = -INF;
-  move *bestMove = moves;
+  move *bestMove = NULL;
   int color = g->whiteToMove ? 1 : -1;
 
   for (int i = 0; i < size; i++) {
     game gg = *g;
     makeMove(&gg, &moves[i]);
     int score = -negamax(&gg, MAX_DEPTH, -INF, INF, -color);
-    if (score > bestScore) {
+    if (score > bestScore || bestScore == -INF) {
       bestScore = score;
       bestMove = &moves[i];
       printf("info score cp %d\n", g->whiteToMove ? bestScore : -bestScore);