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Code Issues Releases Wiki Activity

Remove several unnecessary UCI options: All king safety options

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except "Aggressiveness" and "Cowardice", and "UCI_ShowCurrLine".
No functional change compared to the previous version with the
default settings.
This commit is contained in:
Tord Romstad 2010-03-30 15:15:01 +02:00
parent 2a14123550
commit a5a8830e97
3 changed files with 14 additions and 53 deletions
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36
src/evaluate.cpp
View file

@ -224,15 +224,19 @@ namespace {
const int AttackWeight[] = { 0, 0, KnightAttackWeight, BishopAttackWeight, RookAttackWeight, QueenAttackWeight };
// Bonuses for safe checks, initialized from UCI options
int QueenContactCheckBonus, DiscoveredCheckBonus;
int QueenCheckBonus, RookCheckBonus, BishopCheckBonus, KnightCheckBonus;
// Bonuses for safe checks
const int QueenContactCheckBonus = 3;
const int DiscoveredCheckBonus = 3;
const int QueenCheckBonus = 2;
const int RookCheckBonus = 1;
const int BishopCheckBonus = 1;
const int KnightCheckBonus = 1;
// Scan for queen contact mates?
const bool QueenContactMates = true;
// Bonus for having a mate threat, initialized from UCI options
int MateThreatBonus;
// Bonus for having a mate threat
const int MateThreatBonus = 3;
// InitKingDanger[] contains bonuses based on the position of the defending
// king.
@ -1200,29 +1204,17 @@ namespace {
void init_safety() {
QueenContactCheckBonus = get_option_value_int("Queen Contact Check Bonus");
QueenCheckBonus = get_option_value_int("Queen Check Bonus");
RookCheckBonus = get_option_value_int("Rook Check Bonus");
BishopCheckBonus = get_option_value_int("Bishop Check Bonus");
KnightCheckBonus = get_option_value_int("Knight Check Bonus");
DiscoveredCheckBonus = get_option_value_int("Discovered Check Bonus");
MateThreatBonus = get_option_value_int("Mate Threat Bonus");
int maxSlope = get_option_value_int("King Safety Max Slope");
int peak = get_option_value_int("King Safety Max Value") * 256 / 100;
double a = get_option_value_int("King Safety Coefficient") / 100.0;
double b = get_option_value_int("King Safety X Intercept");
bool quad = (get_option_value_string("King Safety Curve") == "Quadratic");
bool linear = (get_option_value_string("King Safety Curve") == "Linear");
int maxSlope = 30;
int peak = 0x500;
double a = 0.4;
double b = 0.0;
for (int i = 0; i < 100; i++)
{
if (i < b)
SafetyTable[i] = Value(0);
else if (quad)
else
SafetyTable[i] = Value((int)(a * (i - b) * (i - b)));
else if (linear)
SafetyTable[i] = Value((int)(100 * a * (i - b)));
}
for (int i = 0; i < 100; i++)

14
src/search.cpp
View file

@ -259,9 +259,6 @@ namespace {
bool UseTimeManagement, InfiniteSearch, PonderSearch, StopOnPonderhit;
bool FirstRootMove, AbortSearch, Quit, AspirationFailLow;
// Show current line?
bool ShowCurrentLine;
// Log file
bool UseLogFile;
std::ofstream LogFile;
@ -425,7 +422,6 @@ bool think(const Position& pos, bool infinite, bool ponder, int side_to_move,
MinimumSplitDepth = get_option_value_int("Minimum Split Depth") * OnePly;
MaxThreadsPerSplitPoint = get_option_value_int("Maximum Number of Threads per Split Point");
ShowCurrentLine = get_option_value_bool("UCI_ShowCurrLine");
MultiPV = get_option_value_int("MultiPV");
Chess960 = get_option_value_bool("UCI_Chess960");
UseLogFile = get_option_value_bool("Use Search Log");
@ -2464,16 +2460,6 @@ namespace {
cout << "info nodes " << TM.nodes_searched() << " nps " << nps()
<< " time " << t << " hashfull " << TT.full() << endl;
// We only support current line printing in single thread mode
if (ShowCurrentLine && TM.active_threads() == 1)
{
cout << "info currline";
for (int p = 0; p < ply; p++)
cout << " " << ss[p].currentMove;
cout << endl;
}
}
// Should we stop the search?

17
src/ucioption.cpp
View file

@ -88,22 +88,6 @@ namespace {
o["Space"] = Option(100, 0, 200);
o["Aggressiveness"] = Option(100, 0, 200);
o["Cowardice"] = Option(100, 0, 200);
o["King Safety Curve"] = Option("Quadratic", COMBO);
o["King Safety Curve"].comboValues.push_back("Quadratic");
o["King Safety Curve"].comboValues.push_back("Linear"); /*, "From File"*/
o["King Safety Coefficient"] = Option(40, 1, 100);
o["King Safety X Intercept"] = Option(0, 0, 20);
o["King Safety Max Slope"] = Option(30, 10, 100);
o["King Safety Max Value"] = Option(500, 100, 1000);
o["Queen Contact Check Bonus"] = Option(3, 0, 8);
o["Queen Check Bonus"] = Option(2, 0, 4);
o["Rook Check Bonus"] = Option(1, 0, 4);
o["Bishop Check Bonus"] = Option(1, 0, 4);
o["Knight Check Bonus"] = Option(1, 0, 4);
o["Discovered Check Bonus"] = Option(3, 0, 8);
o["Mate Threat Bonus"] = Option(3, 0, 8);
o["Check Extension (PV nodes)"] = Option(2, 0, 2);
o["Check Extension (non-PV nodes)"] = Option(1, 0, 2);
o["Single Evasion Extension (PV nodes)"] = Option(2, 0, 2);
@ -126,7 +110,6 @@ namespace {
o["Ponder"] = Option(true);
o["OwnBook"] = Option(true);
o["MultiPV"] = Option(1, 1, 500);
o["UCI_ShowCurrLine"] = Option(false);
o["UCI_Chess960"] = Option(false);
o["UCI_AnalyseMode"] = Option(false);