The "Ekrens" 2D opening showsat least 4-4 in the major suits and 3-10 HCP.
The opening bid is made by Bjørn Olav Ekren, Norway. "Ekrens" is first of all a preempt convention,
but some restriction should be made. Maximum 5-5. With 4-4 you should not
have an invitational hand against 1NT opening.
Response to 2D
2H : To play.
2S : To play.
2NT : forcing.
3C : To play.
3D : invitationalt with 3-3 in the major suit.
3H : Preempt.
3S : Preempt.
2D-2NT 3C : Minimum. 3D : 5-5 in the major suit. 3H : 5 Hearts & 4 Spades. Max. 3S : 5 Spades & 4 Hearts. Max. 3NT : 4-4 and max.
2D-2NT
3C-3H/3S: invitational.
2D-2NT
3C-3D: Relay.
3H : 5 Hearts & 4 Spades.
3S : 5 Spades & 4 Hearts.
3NT : 4-4 in the major suit.
2D-2NT
3D-3H/3S: Slam invitational.
Thanks to Johan at johan.wahlberg@pcexpress.se for submitting this convention.