Roudi occurs in sequence: 1m–1M-1NT–2♣ and guarantees the five and 11+ HCP.

Responder bids:

• • 2♦ - no support 12- HCP;

  • 2♥ - support 12-  HCP;

  • 2♠ - support 13+ HCP;

  • 2BA - 13-14 HCP no support;

  • 3BA - 14+ HCP no support;

After a suit or NT intervention, checkback convention is off.

♣ ♦ ♥ ♠