February 14, 2017

Blackwood 4NT

The Blackwood 4NT convention is used when you are thinking of bidding a slam and want to find out how many aces partner has. […]
February 14, 2017

Gerber 4♣

The Gerber 4C convention is used to ask for aces after a 1NT or 2NT bid from partner Responses: 4♦ = 0 ace or […]
February 14, 2010

Quantitative 4NT

After partner’s NT bid, a raise to 4NT is invitational, asking partner to bid 6NT or pass. It works in the same way that […]