Add knightmate to standard variants

diff --git a/src/ucioption.cpp b/src/ucioption.cpp
index d5af534..53d684d 100644 (file)
--- a/src/ucioption.cpp
+++ b/src/ucioption.cpp
@@ -45,7 +45,7 @@ namespace UCI {
 
 // standard variants of XBoard/WinBoard
 std::set<string> standard_variants = {
-    "normal", "nocastle", "fischerandom", "3check", "makruk", "shatranj",
+    "normal", "nocastle", "fischerandom", "knightmate", "3check", "makruk", "shatranj",
     "asean", "seirawan", "crazyhouse", "bughouse", "suicide", "giveaway", "losers",
     "capablanca", "gothic", "janus", "caparandom", "grand", "shogi", "xiangqi"
 };