Ray Lowe had a good question:
"The second column of the convention card has a section called "NOTRUMP OVERCALLS". The question is can one put any range under "direct". Such as 12 to 20? or must it be a restricted range say 4 points?"
Karol Monroe had a good answer:
" I don't seen any restriction on point range for 1NT openings or overcalls, but there are restrictions on responder's/advancer's bids --
From the ACBL General Convention Chart
DISALLOWS use of any conventional responses after natural notrump opening bids or overcalls with a lower limit of fewer than 10 HCP or with a range of greater than 5 HCP (including those that have two non-consecutive ranges)"
I typically play a standard 15-17 opening no trump, but for no trump overcalls my card typically says 14-18 with systems on. That stretches the range to the limit allowed by ACBL while still permitting conventional responses.As Karol indicated, ACBL permits a 12-20 range for no trump overcalls. However, not being able to use Stayman, transfers or other conventional calls after the "out-of-range no trump overcall is too much of a disadvantage, in my opinion.
"The second column of the convention card has a section called "NOTRUMP OVERCALLS". The question is can one put any range under "direct". Such as 12 to 20? or must it be a restricted range say 4 points?"
Karol Monroe had a good answer:
" I don't seen any restriction on point range for 1NT openings or overcalls, but there are restrictions on responder's/advancer's bids --
From the ACBL General Convention Chart
DISALLOWS use of any conventional responses after natural notrump opening bids or overcalls with a lower limit of fewer than 10 HCP or with a range of greater than 5 HCP (including those that have two non-consecutive ranges)"
I typically play a standard 15-17 opening no trump, but for no trump overcalls my card typically says 14-18 with systems on. That stretches the range to the limit allowed by ACBL while still permitting conventional responses.As Karol indicated, ACBL permits a 12-20 range for no trump overcalls. However, not being able to use Stayman, transfers or other conventional calls after the "out-of-range no trump overcall is too much of a disadvantage, in my opinion.

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