Ingberman - folksbridge21/system2 GitHub Wiki

Sequence after opener reverse: 1C - 1H - 2D

• 2NT = relay to 3C then pass or 3x = weak
• 3 level bids = natural GF
• Rebid 2M = 5~7-, 5+ card (e.g. 1C-1M-2D-2M; 1m-1S-2H-2S)， not forcing
• 2NT - 3C -3NT slam interest with opener's first suit