Add move overhead uci option

Bench: 2134743
SzilBalazs · Aug 15, 2023 · ed01336 · ed01336
1 parent aef8618
commit ed01336
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Showing 4 changed files with 10 additions and 1 deletion.
diff --git a/src/chess/constants.h b/src/chess/constants.h
@@ -38,7 +38,6 @@ using Ply = int8_t;
 
 constexpr int64_t INF_TIME = 1'000'000'000'000'000;
 constexpr int64_t INF_NODES = 1'000'000'000'000'000;
-constexpr int64_t MOVE_OVERHEAD = 30;
 constexpr Score UNKNOWN_SCORE = 300000;
 constexpr Score INF_SCORE = 200000;
 constexpr Score MATE_VALUE = 100000;

diff --git a/src/main.cpp b/src/main.cpp
@@ -34,6 +34,7 @@ namespace chess {
 
 namespace search {
     Depth lmr_reductions[200][MAX_PLY + 1];
+    int64_t TimeManager::MOVE_OVERHEAD = 30;
 }
 
 void init_all() {

diff --git a/src/search/time_manager.h b/src/search/time_manager.h
@@ -22,6 +22,9 @@
 namespace search {
     class TimeManager {
     public:
+
+        static int64_t MOVE_OVERHEAD;
+
         /**
          * Initializes time management with the given limits.
          *

diff --git a/src/uci/uci.h b/src/uci/uci.h
@@ -173,6 +173,12 @@ namespace uci {
                 },
                 1, 128);
 
+        options.emplace_back(
+                "Move_Overhead", "30", "spin", [&]() {
+                    search::TimeManager::MOVE_OVERHEAD = get_option<int>("Move_Overhead");
+                },
+                0, 1000);
+
         options.emplace_back(
                 "UCI_ShowWDL", "false", "check", [&]() {
                     search::report::set_show_wdl(get_option<bool>("UCI_ShowWDL"));