A system in which a two-over-one response (eg 1♠-pass-2♣) creates a game force. With such a system, it is usual to play a forcing 1NT response to 1♥ or 1♠ and to play weak or artificial jump shifts.
A system in which a two-over-one response (eg 1♠-pass-2♣) creates a game force. With such a system, it is usual to play a forcing 1NT response to 1♥ or 1♠ and to play weak or artificial jump shifts.