去掉 addNode 中的 rand() 操作

Node 节点中的 rand 暂时未去除

Release自对弈一方: 15.551s->14.930s

NineChess/src/ninechessai_ab.cpp

@@ -49,7 +49,7 @@ struct NineChessAi_ab::Node *NineChessAi_ab::addNode(Node *parent, int value, in
     nodeCount++;
     newNode->id = nodeCount;
 
-    newNode->rand = rand() % 24; // (1%)
+    //newNode->rand = rand() % 24; // (1%)
 
     newNode->pruned = false;