+ "Rearrange enemy pieces": "Rearrange enemy pieces",
+ "Mandatory captures": "Mandatory captures",
+ "Mate any piece (v1)": "Mate any piece (v1)",
+ "Mate any piece (v2)": "Mate any piece (v2)",
+ "Mate the knight": "Mate the knight",
+ "Meet the Mammoth": "Meet the Mammoth",
+ "Middle battle": "Middle battle",
+ "Mongolian Horde (v1)": "Mongolian Horde (v1)",
+ "Mongolian Horde (v2)": "Mongolian Horde (v2)",
+ "Move like a knight (v1)": "Move like a knight (v1)",
+ "Move like a knight (v2)": "Move like a knight (v2)",
+ "Move under cover": "Move under cover",
+ "Moving forward": "Moving forward",
+ "Neverending rows": "Neverending rows",
+ "No-check mode": "No-check mode",
+ "Non-conformism and utopia": "Non-conformism and utopia",
+ "Occupy the enemy palace": "Occupy the enemy palace",
+ "Paralyzed pieces": "Paralyzed pieces",