some general info if you play with [[vang]] for the first time and don’t have enough time to discuss (usually on BBO)


  * **standard** signals: 
    * high encourage on our suits, normal count on declarer suits. 
    * leads: 4th at NT, 3/5 at suit contracts. top of sequence (or interior seq: j from aj10, kj10), king lead ask count. 
    * lavintahl discards (//ALT: italian first discard//)
  * after our 1NT opening: 4-suit transfers (2s trf to clubs, 2n trf to diamonds); 4H/S=natural to play
    * //ALT: south-african texas//
  * simple checkback after 1nt/2nt rebid
    * //ALT: double-checkback//
  * rckbw 30-14-2-2+Q
  * standard weak 2 including diamonds. 2nt ask feature.
  * after 1M, 2NT is INV+ fit 4+. simple answers, 3M from both side reject invitation, anything else is (semi-)natural.
  * after 1m, 2NT is inv. NO inverted minor raise (unless we talk). 1m-2m=simple raise; 1m-3m=INV
    * //ALT: inverted minor raise//
  * if unclear, it is forcing. if unclear, it is take-out.
  * NO puppet after 2nt opening. stayman and transfer.
  * NO support doubles (in those positions, it shows extra values)
    * //ALT: support doubles&redoubles//
  * after opp NT, 2C is both majors, anything else natural.
  * strong jump shift (without competition) goldman/soloway/lawrence style. in competition, any jump shift is suit+fit inv+.