Stockfish, a UCI chess playing engine derived from Glaurung 2.1
Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad
- Copyright (C) 2015-2016 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
+ Copyright (C) 2015-2017 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad
Stockfish is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <cassert>
#include <iostream>
#include <sstream>
#include <string>
#include "position.h"
#include "search.h"
#include "thread.h"
+#include "tt.h"
#include "timeman.h"
#include "uci.h"
+#include "syzygy/tbprobe.h"
using namespace std;
while (is >> token && (m = UCI::to_move(pos, token)) != MOVE_NONE)
{
States->push_back(StateInfo());
- pos.do_move(m, States->back(), pos.gives_check(m, CheckInfo(pos)));
+ pos.do_move(m, States->back());
}
}
// the thinking time and other parameters from the input string, then starts
// the search.
- void go(const Position& pos, istringstream& is) {
+ void go(Position& pos, istringstream& is) {
Search::LimitsType limits;
string token;
Threads.start_thinking(pos, States, limits);
}
+ // On ucinewgame following steps are needed to reset the state
+ void newgame() {
+
+ TT.resize(Options["Hash"]);
+ Search::clear();
+ Tablebases::init(Options["SyzygyPath"]);
+ Time.availableNodes = 0;
+ }
+
} // namespace
Position pos;
string token, cmd;
+ newgame(); // Implied ucinewgame before the first position command
+
pos.set(StartFEN, false, &States->back(), Threads.main());
for (int i = 1; i < argc; ++i)
<< "\n" << Options
<< "\nuciok" << sync_endl;
- else if (token == "ucinewgame")
- {
- Search::clear();
- Time.availableNodes = 0;
- }
+ else if (token == "ucinewgame") newgame();
else if (token == "isready") sync_cout << "readyok" << sync_endl;
else if (token == "go") go(pos, is);
else if (token == "position") position(pos, is);
string UCI::value(Value v) {
+ assert(-VALUE_INFINITE < v && v < VALUE_INFINITE);
+
stringstream ss;
if (abs(v) < VALUE_MATE - MAX_PLY)