From b56990d7c05c607a857bdde78d97af9fb77fad2b Mon Sep 17 00:00:00 2001
From: Calcitem <calcitem@outlook.com>
Date: Sun, 22 Nov 2020 10:53:03 +0800
Subject: [PATCH] =?UTF-8?q?uci:=20=E6=94=AF=E6=8C=81=20position=20fen=20mo?=
 =?UTF-8?q?ves=20=E6=8C=87=E4=BB=A4?=
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原来是在 Position::set() 中
th->us = sideToMove;
现在转移到 position() 函数中，以解决 moves 执行指令后再执行 go 卡住的问题。
---
 src/position.cpp | 1 -
 src/uci.cpp      | 7 +++----
 2 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/src/position.cpp b/src/position.cpp
index a5cab31e..1280ce54 100644
--- a/src/position.cpp
+++ b/src/position.cpp
@@ -238,7 +238,6 @@ Position &Position::set(const string &fenStr, Thread *th)
     // 2. Active color
     ss >> token;
     sideToMove = (token == 'b' ? BLACK : WHITE);
-    th->us = sideToMove;
 
     // 3. Phrase
     ss >> token;
diff --git a/src/uci.cpp b/src/uci.cpp
index d536b776..6ae0bee6 100644
--- a/src/uci.cpp
+++ b/src/uci.cpp
@@ -75,6 +75,8 @@ void position(Position *pos, istringstream &is)
     while (is >> token && (m = UCI::to_move(pos, token)) != MOVE_NONE) {
         pos->do_move(m);
     }
+
+    Threads.main()->us = pos->sideToMove;
 }
 
 
@@ -314,13 +316,10 @@ string UCI::move(Move m)
 
 
 /// UCI::to_move() converts a string representing a move in coordinate notation
-/// (g1f3, a7a8q) to the corresponding legal Move, if any.
+/// to the corresponding legal Move, if any.
 
 Move UCI::to_move(Position *pos, string &str)
 {
-    if (str.length() == 5) // Junior could send promotion piece in uppercase
-        str[4] = char(tolower(str[4]));
-
     for (const auto &m : MoveList<LEGAL>(*pos))
         if (str == UCI::move(m))
             return m;