Mathe Over Big Club (Precision): Bridge Convention

BridgeHands

Mathe - An elementary defensive system against opponents' Big Club system to show a two-suited hand.

Bid	Meaning

(1C) - 1D	Natural, showing Diamonds
(1C) - 1H	Natural, showing Hearts
(1C) - 1S	Natural, showing Spades
(1C) - X	Artificial, showing both Majors (4+/4+ or greater, e.g. vulnerable)
(1C) - 1N	Artificial, showing both Minors (4+/4+ or greater, e.g. vulnerable)
(1C) - 1N	Artificial, showing both Minors with longer suits (often preemptive)