Jacoby 2NT - folksbridge21/system2 GitHub Wiki

Jacoby 2NT

• 1S-2NT-3C/3D/3H: singleton,
• 1S-2NT-3S: max hand (17+),
• 1S-2NT-3NT: median (14-17),
• 1S-2NT-4S: min hand,
• 1S-2NT-4C/4D/4H: 5 card suit