lamford, on 2015-March-06, 14:52, said:
Indeed. I wonder if any edition of the Laws specified that bids must be sufficient? Does anyone with old copies know? I do agree that this thread has run its course and some.
Laws of Auction Bridge 1925:
Law 19: A bid of a greater number of odd tricks ranks higher than a bid of less number. When two bids are of the same number, they rank: No Trump (highest), Spades, Hearts, Diamonds, Clubs (lowest).
Law 20:
(a) A bid, unless it is the first bid of the hand, is insufficient if it be not higher than the last previous bid.
(b) A player having made an insufficient bid, may correct it without penalty if [...]
{c} [...]
(d) If [...] the bidder must make his bid sufficient and his partner is barred from further participation in the auction. [...]
Laws of Duplicate Contract Bridge 1932 (USA only, before the worlwide syncronization of bridge laws):
Law 6: Each successive bid must name either a greater number of odd tricks than the last preceding bid or an equal number of a higher denomination.
Laws of Contract Bridge 1935 (the first international code):
Law 16: [essentially equivalent to Duplicate Contract Bridge Law 1932 Law 6
Laws of Duplicate Bridge 1935:
Law 6: [essentially equivalent to Duplicate Contract Bridge Law 1932 Law 6