To be in battle or in a rivalry with another for the same thing, position, or reward; to contend
To be in a position in which it is possible to win or triumph.
To take part in a contest, game or similar event
To make a counterplay; to play in response.
To counter; to contrast or contradict.
A subversive style of gameplay in which a player attempts to overturn the usual rules and conventions of the game.
A game move made as a response.
A counterattack in a different part of the board.