- m -
- mask : BoardCache, GameHashTable, MoveHash, PositionHash, ShapeHash
- master : Search
- match_off : GGSClient
- match_on : GGSClient
- match_type : GGSBoard, GGSMatchOn, GGSRequest
- max_iter : EvalOption
- max_mobility : GameStatistics
- maxi : Search
- me : GGSClient
- memory : HashTable
- midgame_error : Book
- min_iter : EvalOption
- min_mobility : GameStatistics
- mini : Search
- minimization_algorithm : EvalOption
- minute : Book, Game
- missing : BookCheckGame
- mode : Options, UI
- month : Book, Game, WthorHeader
- move : Game, GGSBoard, HashData, Hint, Line, Link, MoveList, Node, OBF, OkoGame, Play, Result, Task
- move_list : GGSBoard
- move_list_n : GGSBoard
- move_no : GGSBoard
- movelist : Search
- multipv_depth : Search