defenseA hand that cannot win can still refuse to lose. Playing for the wall game is a strategy, not a sulk.

defenseAny tile matching two of a player's exposures is their mahjong waiting to happen. Sit on it until the hand ends.

defenseWhen a player stops discarding a suit, they are holding it. Feed the suits they shed, not the ones they hoard.

defenseNever throw the fourth copy of anything late unless the other three are visible. Fourth copies finish the pairs you cannot see.

defenseA player who redeemed two jokers is armed. Tighten up even if their exposures look innocent.