Add Upside-down chess to variants.ini

diff --git a/src/variants.ini b/src/variants.ini
index 103a5bf..2292130 100644 (file)
--- a/src/variants.ini
+++ b/src/variants.ini
@@ -281,6 +281,10 @@ promotionPieceTypes = q
 doubleStep = false
 castling = false
 
+# Upside-down
+[upsidedown:chess]
+startFen = RNBKQBNR/PPPPPPPP/8/8/8/8/pppppppp/rnbkqbnr w - - 0 1
+
 # Peasant revolt
 # https://www.chessvariants.com/large.dir/peasantrevolt.html
 [peasant:chess]