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Improve compatibility with Shredder Classic GUI

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This commit fixes two issues:

1) Don't print PVs after the search has been interrupted

    This solves the "mate 0 upperbound" scores that sometimes
    creep up when a multi-PV analysis gets interrupted with
    the `stop` command.

2) Print multipv before score

    Shredder Classic fails to identify the main PV
    (the one with multipv 1) if `score` comes first.
    This leads to an eval graph that doesn't reflect
    the scores actually reported by Stockfish when
    doing a multiPV analysis.

No functional change

Closes #76
This commit is contained in:
Pascal Romaret 2014-10-27 11:07:35 +00:00 • committed by Joona Kiiski
parent 5ab55827b8
commit f1359845de
1 changed files with 4 additions and 2 deletions
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6
src/search.cpp
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@ -341,7 +341,9 @@ namespace {
// Sort the PV lines searched so far and update the GUI
std::stable_sort(RootMoves.begin(), RootMoves.begin() + PVIdx + 1);
if (PVIdx + 1 == std::min(multiPV, RootMoves.size()) || Time::now() - SearchTime > 3000)
if ( !Signals.stop
&& ( PVIdx + 1 == std::min(multiPV, RootMoves.size())
|| Time::now() - SearchTime > 3000))
sync_cout << uci_pv(pos, depth, alpha, beta) << sync_endl;
}
@ -1326,11 +1328,11 @@ moves_loop: // When in check and at SpNode search starts from here
ss << "info depth " << d
<< " seldepth " << selDepth
<< " multipv " << i + 1
<< " score " << (i == PVIdx ? UCI::format_value(v, alpha, beta) : UCI::format_value(v))
<< " nodes " << pos.nodes_searched()
<< " nps " << pos.nodes_searched() * 1000 / elapsed
<< " time " << elapsed
<< " multipv " << i + 1
<< " pv";
for (size_t j = 0; RootMoves[i].pv[j] != MOVE_NONE; ++j)