diff --git a/src/mcts/params.cc b/src/mcts/params.cc
index 14026d28d5..2c6f16d088 100644
--- a/src/mcts/params.cc
+++ b/src/mcts/params.cc
@@ -311,12 +311,12 @@ void SearchParams::Populate(OptionsParser* options) {
   options->Add<ChoiceOption>(kScoreTypeId, score_type) = "centipawn";
   std::vector<std::string> history_fill_opt{"no", "fen_only", "always"};
   options->Add<ChoiceOption>(kHistoryFillId, history_fill_opt) = "fen_only";
-  options->Add<FloatOption>(kMovesLeftMaxEffectId, 0.0f, 1.0f) = 0.0f;
+  options->Add<FloatOption>(kMovesLeftMaxEffectId, 0.0f, 1.0f) = 0.1f;
   options->Add<FloatOption>(kMovesLeftThresholdId, 0.0f, 1.0f) = 1.0f;
-  options->Add<FloatOption>(kMovesLeftSlopeId, 0.0f, 1.0f) = 0.001f;
-  options->Add<FloatOption>(kMovesLeftConstantFactorId, -1.0f, 1.0f) = 1.0f;
+  options->Add<FloatOption>(kMovesLeftSlopeId, 0.0f, 1.0f) = 0.005f;
+  options->Add<FloatOption>(kMovesLeftConstantFactorId, -1.0f, 1.0f) = 0.0f;
   options->Add<FloatOption>(kMovesLeftScaledFactorId, -1.0f, 1.0f) = 0.0f;
-  options->Add<FloatOption>(kMovesLeftQuadraticFactorId, -1.0f, 1.0f) = 0.0f;
+  options->Add<FloatOption>(kMovesLeftQuadraticFactorId, -1.0f, 1.0f) = 1.0f;
   options->Add<BoolOption>(kDisplayCacheUsageId) = false;
   options->Add<IntOption>(kMaxConcurrentSearchersId, 0, 128) = 1;
   options->Add<IntOption>(kDrawScoreSidetomoveId, -100, 100) = 0;
@@ -337,9 +337,6 @@ void SearchParams::Populate(OptionsParser* options) {
   options->HideOption(kTemperatureEndgameId);
   options->HideOption(kTemperatureWinpctCutoffId);
   options->HideOption(kTemperatureVisitOffsetId);
-  options->HideOption(kMovesLeftConstantFactorId);
-  options->HideOption(kMovesLeftScaledFactorId);
-  options->HideOption(kMovesLeftQuadraticFactorId);
 }
 
 SearchParams::SearchParams(const OptionsDict& options)