From 2f5380f58a23d6ff5be3961e7dd7ebee2db0a565 Mon Sep 17 00:00:00 2001
From: Calcitem <calcitem@outlook.com>
Date: Fri, 20 Mar 2020 22:20:57 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A6=82=E6=9E=9C=E5=AE=9A=E4=B9=89=E4=BA=86?=
 =?UTF-8?q?=20FIRST=5FMOVE=5FSTAR=5FPREFERRED=20=E5=88=99=E9=BB=91?=
 =?UTF-8?q?=E6=96=B9=E9=A6=96=E6=AD=A5=E5=BC=BA=E5=88=B6=E8=B5=B0=E6=98=9F?=
 =?UTF-8?q?=E4=BD=8D?=
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暂不开启，但是当前星位的 rating 值高所以通常还是走星位。
---
 include/config.h   | 2 ++
 src/ai/movegen.cpp | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/include/config.h b/include/config.h
index 4ea93235..cdddf769 100644
--- a/include/config.h
+++ b/include/config.h
@@ -57,6 +57,8 @@
 #define DEPTH_ADJUST (0)
 //#define FIX_DEPTH   (24)
 
+//#define FIRST_MOVE_STAR_PREFERRED
+
 //#define HARD_LEVEL_DEPTH
 
 //#define TIME_STAT
diff --git a/src/ai/movegen.cpp b/src/ai/movegen.cpp
index 850e4a23..aaef1b16 100644
--- a/src/ai/movegen.cpp
+++ b/src/ai/movegen.cpp
@@ -82,9 +82,13 @@ int StateInfo::generateMoves(Stack<move_t, MOVE_COUNT> &moves)
                     moves.push_back((move_t)square);
                 } else {
                     // 若为先手，则抢占星位
+#ifdef FIRST_MOVE_STAR_PREFERRED
                     if (Board::isStar(square)) {
                         moves.push_back((move_t)square);
                     }
+#else
+                    moves.push_back((move_t)square);
+#endif
                 }
 #endif // MCTS_AI
             }