void Iterate(POS *p, int *pv) {
int val = 0, cur_val = 0;
U64 nps = 0;
Timer.SetIterationTiming();
int max_root_depth = Timer.GetData(MAX_DEPTH);
root_side = p->side;
SetAsymmetricEval(p->side);
// Are we operating in slowdown mode or on node limit?
Timer.special_mode = 0;
if (Timer.nps_limit
|| Timer.GetData(MAX_NODES) > 0) Timer.special_mode = 1;
// Search with increasing depth
for (root_depth = 1; root_depth <= max_root_depth; root_depth++) {
int elapsed = Timer.GetElapsedTime();
if (elapsed) nps = nodes * 1000 / elapsed;
#if defined _WIN32 || defined _WIN64
printf("info depth %d time %d nodes %I64d nps %I64d\n", root_depth, elapsed, nodes, nps);
#else
printf("info depth %d time %d nodes %lld nps %lld\n", root_depth, elapsed, nodes, nps);
#endif
if (use_aspiration) cur_val = Widen(p, root_depth, pv, cur_val);
else cur_val = SearchRoot(p, 0, -INF, INF, root_depth, pv); // full window search
// don't search too deep with only one move available
if (root_depth == 8
&& !fl_has_choice
&& !Timer.IsInfiniteMode() ) break;
if (abort_search || Timer.FinishIteration()) break;
val = cur_val;
}
}
void UciLoop(void) {
char command[4096], token[180], *ptr;
POS p[1];
setbuf(stdin, NULL);
setbuf(stdout, NULL);
SetPosition(p, START_POS);
AllocTrans(16);
for (;;) {
ReadLine(command, sizeof(command));
ptr = ParseToken(command, token);
// checks if Rodent should play with an opening book
// UseBook remains for backward compatibly
if ((strstr(command, "setoption name OwnBook value")) || (strstr(command, "setoption name UseBook value")))
use_book = (strstr(command, "value true") != 0);
if (strstr(command, "setoption name UCI_LimitStrength value"))
Param.fl_weakening = (strstr(command, "value true") != 0);
if (strcmp(token, "uci") == 0) {
printf("id name %s\n", PROG_NAME);
printf("id author Pawel Koziol (based on Sungorus 1.4 by Pablo Vazquez)\n");
printf("option name Hash type spin default 16 min 1 max 4096\n");
printf("option name Clear Hash type button\n");
if (panel_style > 0) {
printf("option name PawnValue type spin default %d min 0 max 1200\n", Param.pc_value[P]);
printf("option name KnightValue type spin default %d min 0 max 1200\n", Param.pc_value[N]);
printf("option name BishopValue type spin default %d min 0 max 1200\n", Param.pc_value[B]);
printf("option name RookValue type spin default %d min 0 max 1200\n", Param.pc_value[R]);
printf("option name QueenValue type spin default %d min 0 max 1200\n", Param.pc_value[Q]);
printf("option name KeepPawn type spin default %d min -200 max 200\n", Param.keep_pc[P]);
printf("option name KeepKnight type spin default %d min -200 max 200\n", Param.keep_pc[N]);
printf("option name KeepBishop type spin default %d min -200 max 200\n", Param.keep_pc[B]);
printf("option name KeepRook type spin default %d min -200 max 200\n", Param.keep_pc[R]);
printf("option name KeepQueen type spin default %d min -200 max 200\n", Param.keep_pc[Q]);
printf("option name BishopPair type spin default %d min -100 max 100\n", Param.bish_pair);
if (panel_style == 2)
printf("option name KnightPair type spin default %d min -100 max 100\n", Param.knight_pair);
printf("option name ExchangeImbalance type spin default %d min -100 max 100\n", Param.exchange_imbalance);
printf("option name KnightLikesClosed type spin default %d min 0 max 10\n", Param.np_bonus);
if (panel_style == 2)
printf("option name RookLikesOpen type spin default %d min 0 max 10\n", Param.rp_malus);
printf("option name Material type spin default %d min 0 max 500\n", Param.mat_perc);
printf("option name OwnAttack type spin default %d min 0 max 500\n", dyn_weights[DF_OWN_ATT]);
printf("option name OppAttack type spin default %d min 0 max 500\n", dyn_weights[DF_OPP_ATT]);
printf("option name OwnMobility type spin default %d min 0 max 500\n", dyn_weights[DF_OWN_MOB]);
printf("option name OppMobility type spin default %d min 0 max 500\n", dyn_weights[DF_OPP_MOB]);
printf("option name KingTropism type spin default %d min -50 max 500\n", weights[F_TROPISM]);
printf("option name PiecePlacement type spin default %d min 0 max 500\n", Param.pst_perc);
printf("option name PiecePressure type spin default %d min 0 max 500\n", weights[F_PRESSURE]);
printf("option name PassedPawns type spin default %d min 0 max 500\n", weights[F_PASSERS]);
printf("option name PawnStructure type spin default %d min 0 max 500\n", weights[F_PAWNS]);
printf("option name Outposts type spin default %d min 0 max 500\n", weights[F_OUTPOST]);
printf("option name Lines type spin default %d min 0 max 500\n", weights[F_LINES]);
if (panel_style == 2) {
printf("option name PawnShield type spin default %d min 0 max 500\n", Param.shield_perc);
printf("option name PawnStorm type spin default %d min 0 max 500\n", Param.storm_perc);
}
printf("option name PstStyle type spin default %d min 0 max 2\n", Param.pst_style);
printf("option name MobilityStyle type spin default %d min 0 max 1\n", Param.mob_style);
if (panel_style == 2) {
printf("option name DoubledPawnMg type spin default %d min -100 max 0\n", Param.doubled_malus_mg);
printf("option name DoubledPawnEg type spin default %d min -100 max 0\n", Param.doubled_malus_eg);
printf("option name IsolatedPawnMg type spin default %d min -100 max 0\n", Param.isolated_malus_mg);
printf("option name IsolatedPawnEg type spin default %d min -100 max 0\n", Param.isolated_malus_eg);
printf("option name IsolatedOnOpenMg type spin default %d min -100 max 0\n", Param.isolated_open_malus);
printf("option name BackwardPawnMg type spin default %d min -100 max 0\n", Param.backward_malus_base);
printf("option name BackwardPawnEg type spin default %d min -100 max 0\n", Param.backward_malus_eg);
printf("option name BackwardOnOpenMg type spin default %d min -100 max 0\n", Param.backward_open_malus);
}
// Strength settings - we use either Elo slider with an approximate formula
// or separate options for nodes per second reduction and eval blur
if (fl_elo_slider == 0) {
printf("option name NpsLimit type spin default %d min 0 max 5000000\n", Timer.nps_limit);
printf("option name EvalBlur type spin default %d min 0 max 5000000\n", Param.eval_blur);
} else {
printf("option name UCI_LimitStrength type check default false\n");
printf("option name UCI_Elo type spin default %d min 800 max 2800\n", Param.elo);
}
printf("option name Contempt type spin default %d min -250 max 250\n", Param.draw_score);
printf("option name SlowMover type spin default %d min 10 max 500\n", time_percentage);
printf("option name Selectivity type spin default %d min 0 max 200\n", hist_perc);
printf("option name OwnBook type check default true\n");
printf("option name GuideBookFile type string default guide.bin\n");
printf("option name MainBookFile type string default rodent.bin\n");
printf("option name BookFilter type spin default %d min 0 max 5000000\n", Param.book_filter);
}
if (panel_style == 0) {
printf("option name PersonalityFile type string default rodent.txt\n");
printf("option name OwnBook type check default true\n");
if (fl_separate_books) {
printf("option name GuideBookFile type string default guide.bin\n");
printf("option name MainBookFile type string default rodent.bin\n");
}
}
printf("uciok\n");
} else if (strcmp(token, "isready") == 0) {
printf("readyok\n");
} else if (strcmp(token, "setoption") == 0) {
ParseSetoption(ptr);
} else if (strcmp(token, "position") == 0) {
ParsePosition(p, ptr);
} else if (strcmp(token, "perft") == 0) {
ptr = ParseToken(ptr, token);
int depth = atoi(token);
if (depth == 0) depth = 5;
Timer.SetStartTime();
nodes = Perft(p, 0, depth);
#if defined _WIN32 || defined _WIN64
printf (" perft %d : %I64d nodes in %d miliseconds\n", depth, nodes, Timer.GetElapsedTime() );
#else
printf(" perft %d : %lld nodes in %d miliseconds\n", depth, nodes, Timer.GetElapsedTime());
#endif
} else if (strcmp(token, "print") == 0) {
PrintBoard(p);
} else if (strcmp(token, "eval") == 0) {
SetAsymmetricEval(p->side);
Eval.Print(p);
} else if (strcmp(token, "step") == 0) {
ParseMoves(p, ptr);
} else if (strcmp(token, "go") == 0) {
ParseGo(p, ptr);
} else if (strcmp(token, "bench") == 0) {
ptr = ParseToken(ptr, token);
Bench(atoi(token));
} else if (strcmp(token, "quit") == 0) {
return;
}
}
}