Tramticket, on 2015-May-02, 02:40, said:
You are right that most Acol literature recommends opening 1H and rebidding 1D. But you need to be aware that you are compromising a very valuable part of the modern Acol system: bidding two suits promises a five-card holding in the first suit.
Several things can go wrong when you open 1H:
- Partner might respond 1C then jump to 4H with a three-card suit, expecting you to have five.
- Partner might respond 2C then give you false preference back to hearts on a two-card suit.
- Partner might respond 1NT on a 6-9 point hand with a five or six-card diamond suit and be left in 1NT.
There are no easy solutions.
After a 2/1 you are not promising a 5-card suit it's just very likely.
After 1
♥-2
♣-2
♦
As to 2) If partner is thinking of making a false preference with 2
♥ in this auction after a 2/1 they have a balanced hand possibly with 6
♣ and usually the strength for a 2N rebid but lack a
♠ stopper. The solution is not to make a false preference but to use 2
♠ fourth suit forcing for 1 round. If your playing American style of FSF being GF then you may get stuck in a 4-2 fit but when I play Acol I use FSF 1 rd force.
If you have less the INV strength 2
♥ and 6
♣ either rebid 3
♣ or respond 1N not 2
♣