Add "Null driven IID" UCI option (default true)

[stockfish] / src / ucioption.cpp

diff --git a/src/ucioption.cpp b/src/ucioption.cpp
index 79f9886897794b0e211c5cbbf63c3cc4b7dcb2af..0c3837ce869b64cdf02d2d856f4427832a8fafcf 100644 (file)
--- a/src/ucioption.cpp
+++ b/src/ucioption.cpp
@@ -120,6 +120,7 @@ namespace {
     o.push_back(Option("Full Depth Moves (non-PV nodes)", 3, 1, 100));
     o.push_back(Option("Threat Depth", 5, 0, 100));
     o.push_back(Option("Selective Plies", 7, 0, 10));
+    o.push_back(Option("Null driven IID", true));
     o.push_back(Option("Futility Pruning (Main Search)", true));
     o.push_back(Option("Futility Pruning (Quiescence Search)", true));
     o.push_back(Option("Futility Margin 0", 50, 0, 1000));