P_Marlowe, on 2017-April-29, 12:55, said:
One reason peoble play FSF as GF is, that those peoble believe to be simpler,
which is not true, but they still believe it.
You need less discussion, when a seq. becomes GF, but you still need to discuss,
what auctions show add. strength, this will beautomatically disussed, if you play
FSF as inv.+
With kind regards
Marlowe
Indeed, when I play K-S (basically 5 card majors, 2/1 with weak NTs), the problem hands over minor suit openings are the 8-10 hands. So FSF is used as one round force to help sort out those hands without getting too high.
The important thing is to thoroughly discuss the meaning of various auctions whichever way you play FSF. One of the big advantages of FSF is to provide a means to distinguish between invitational and game forcing hands in certain auctions. For example,
1
♦ - 1
♥
1
♠ - 2
♥
is usually a sign off, but
1
♦ - 1
♥
1
♠ - 3
♥
can be either invitational or GF but not both. If you add
1
♦ - 1
♥
1
♠ - 2
♣ (FSF)
2
♦ - 3
♥
you have a 3rd auction showing
♥ and can now differentiate between sign offs, invitational, and game forcing hands depending on how you use FSF. The key is to be on the same page with partner on what each bidding sequence means.