To show perft numbers for each move. Just
use 'divide' instead of 'perft', for instance:
position startpos moves e2e4 e7e5
divide 4
Inspired by Ronald de Man.
No functional change.
#include <vector>
#include "misc.h"
#include <vector>
#include "misc.h"
#include "position.h"
#include "search.h"
#include "thread.h"
#include "position.h"
#include "search.h"
#include "thread.h"
cerr << "\nPosition: " << i + 1 << '/' << fens.size() << endl;
cerr << "\nPosition: " << i + 1 << '/' << fens.size() << endl;
- if (limitType == "perft")
+ if (limitType == "divide")
+ for (MoveList<LEGAL> it(pos); *it; ++it)
+ {
+ StateInfo si;
+ pos.do_move(*it, si);
+ uint64_t cnt = limits.depth > 1 ? Search::perft(pos, (limits.depth - 1) * ONE_PLY) : 1;
+ pos.undo_move(*it);
+ cerr << move_to_uci(*it, pos.is_chess960()) << ": " << cnt << endl;
+ nodes += cnt;
+ }
+ else if (limitType == "perft")
{
uint64_t cnt = Search::perft(pos, limits.depth * ONE_PLY);
cerr << "\nPerft " << limits.depth << " leaf nodes: " << cnt << endl;
{
uint64_t cnt = Search::perft(pos, limits.depth * ONE_PLY);
cerr << "\nPerft " << limits.depth << " leaf nodes: " << cnt << endl;
else
Search::Limits.ponder = false;
}
else
Search::Limits.ponder = false;
}
- else if (token == "perft" && (is >> token)) // Read perft depth
+ else if (token == "perft" || token == "divide")
ss << Options["Hash"] << " "
ss << Options["Hash"] << " "
- << Options["Threads"] << " " << token << " current perft";
+ << Options["Threads"] << " " << depth << " current " << token;