"Mate any piece (v1)": "Mate any piece (v1)",
"Mate any piece (v2)": "Mate any piece (v2)",
"Mate the knight": "Mate the knight",
"Middle battle": "Middle battle",
"Mate any piece (v1)": "Mate any piece (v1)",
"Mate any piece (v2)": "Mate any piece (v2)",
"Mate the knight": "Mate the knight",
"Middle battle": "Middle battle",