Mylläri convention

• Double shows a 4 card major and a longer minor, or 5 and a 4 or 5 card minor. Responder bids 2 to play the minor, 2 to play the major, or make a natural 2 major bid. Over a 2 bid, 2 shows 5 with a minor.
• 2 shows both majors, possibly 5-4. If responder does not have a preference, he bids 2 to let opener pick.
• 2 is a transfer to hearts,
• 2 is a transfer to spades,
• 2 shows 5 spades and a minor,
• 2NT shows both minors
• 3 of a minor shows a long minor and is constructive,
• 3 of a major is pre-emptive.

• Double shows any 2 suited hand with a major and a minor. Responder bids the cheapest suit he wishes to play.
• 2 shows both majors, possibly 5-4. If responder does not have a preference, he bids 2 to let opener pick.
• 2 is natural,
• 2 is natural,
• 2 is natural,
• 2NT shows both minors,
• 3 of a minor shows a long minor and is constructive,
• 3 of a major shows a long major and is constructive