"Bishop versus pawns": "Bishop versus pawns",
"Board upside down": "Board upside down",
"Both sides of the mirror": "Both sides of the mirror",
+ "Build towers (v1)": "Build towers (v1)",
+ "Build towers (v2)": "Build towers (v2)",
"Burmese Chess": "Burmese Chess",
"Capablanca Chess": "Capablanca Chess",
"Capture all of a kind": "Capture all of a kind",
"Shogi 5 x 5": "Shogi 5 x 5",
"Shoot pieces": "Shoot pieces",
"Spartan versus Persians": "Spartan versus Persians",
- "Squares disappear": "Squares disappear",
+ "Squares disappear (v1)": "Squares disappear (v1)",
+ "Squares disappear (v2)": "Squares disappear (v2)",
"Squat last rank (v1)": "Squat last rank (v1)",
"Squat last rank (v2)": "Squat last rank (v2)",
"Stacking Checkers variant": "Stacking Checkers variant",