Chararcter Of Take Out Double To A Natural Opening

Modern bridge uses the double for a non penalty purpose to the 1st-2th 3rd and 4th level natural suit openings : 1-double, 2-double, 3♣-double, 4♣-double are all take out doubles.The 1st natural bid is 4

The „New Minor Forcing” Convention

The convention frequently occurs when one opens with a suit, and  rebids it again after the partner's one major response. For those familiar with the "4th suit forcing" convention, think of this convention as marking the new minor suit to …