1N! 2N!
3C! BAL, w/o 5M6m, stayman
3D! no 4M
3M 4M
3N! 44M
(if opener rebid 3N, then 4C!=ask minor, the same as 2N-3X; 3X-4C!)
3D!/3H!/3S!/3N! H/S/C/D suit (transfer)
接受轉換 簡單支持，無滿貫興趣
3N misfit, S/O
4N QUANT
有kickback rkcb
else extra fit, control