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Code Issues Releases Wiki Activity

Remove "Threat Depth" ucioption

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This option likely has very low meaning for playing strength and style,
so I see no need to keep this configurable

No functional change

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Joona Kiiski 2010-02-25 19:05:06 +02:00 • committed by Marco Costalba
parent 34c7f1387d
commit 5bb9da9287
2 changed files with 3 additions and 6 deletions
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8
src/search.cpp
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@ -171,6 +171,9 @@ namespace {
// evaluation of the position is more than NullMoveMargin below beta.
const Value NullMoveMargin = Value(0x200);
// Depth limit for use of dynamic threat detection when null move fails low
const Depth ThreatDepth = 5 * OnePly;
// Step 9. Internal iterative deepening
const Depth IIDDepthAtPVNodes = 5 * OnePly;
@ -226,9 +229,6 @@ namespace {
/// Variables initialized by UCI options
// Depth limit for use of dynamic threat detection
Depth ThreatDepth;
// Last seconds noise filtering (LSN)
const bool UseLSNFiltering = true;
const int LSNTime = 4000; // In milliseconds
@ -429,8 +429,6 @@ bool think(const Position& pos, bool infinite, bool ponder, int side_to_move,
MateThreatExtension[1] = Depth(get_option_value_int("Mate Threat Extension (PV nodes)"));
MateThreatExtension[0] = Depth(get_option_value_int("Mate Threat Extension (non-PV nodes)"));
ThreatDepth = get_option_value_int("Threat Depth") * OnePly;
Chess960 = get_option_value_bool("UCI_Chess960");
ShowCurrentLine = get_option_value_bool("UCI_ShowCurrLine");
UseLogFile = get_option_value_bool("Use Search Log");

1
src/ucioption.cpp
View file

@ -116,7 +116,6 @@ namespace {
o["Passed Pawn Extension (non-PV nodes)"] = Option(0, 0, 2);
o["Pawn Endgame Extension (PV nodes)"] = Option(2, 0, 2);
o["Pawn Endgame Extension (non-PV nodes)"] = Option(2, 0, 2);
o["Threat Depth"] = Option(5, 0, 100);
o["Randomness"] = Option(0, 0, 10);
o["Minimum Split Depth"] = Option(4, 4, 7);
o["Maximum Number of Threads per Split Point"] = Option(5, 4, 8);