Bridge - Conventions Bridge – dutch acol.
2 ♣ opening (often used in the Netherlands) means:
– weak two on ♦
– forsing to play with any hand (classic Acol) The respondent bids for the first variant
2♣ – ?
2♦: hand as for a belt after normal opening weak two on ♦.
2♥/♠/3♣ : natural, 5+♥/♠/♣, GF
2BA : at least invit, question about side values
2♣ – 2♦
?
Any further opening bidding signifies Acola
2♣ – 2NT
?
3♣/♥/♠ : maximum, lowest bidding value (e.g. side king)
3♦: minimum
3BA: maximum, no side values (possible side ladies)