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Add weak twos
author
Matthew Vernon
<matthew@debian.org>
Mon, 8 Jun 2020 15:57:54 +0000
(16:57 +0100)
committer
Matthew Vernon
<matthew@debian.org>
Mon, 8 Jun 2020 15:57:54 +0000
(16:57 +0100)
convention.txt
patch
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diff --git
a/convention.txt
b/convention.txt
index d8a466085261bb722f45b107be85d9329b0b5ffd..202607ca3e82b9a815cfb00d9f574bc468d0c4f8 100644
(file)
--- a/
convention.txt
+++ b/
convention.txt
@@
-1,6
+1,6
@@
* Executive summary:
* Executive summary:
-Acol, 12-14 1NT,
Strong
twos, transfers, roman key card blackwood
+Acol, 12-14 1NT,
Weak
twos, transfers, roman key card blackwood
* Magic numbers:
* Magic numbers:
@@
-27,13
+27,15
@@
longest suits); 11 or 19 if you feel aggresive / it looks good
1 [suit] promises at least the above - generally pick the longest suit
1NT is 12-14 points balanced (limit)
2C is 23+ points. Usually game-forcing
1 [suit] promises at least the above - generally pick the longest suit
1NT is 12-14 points balanced (limit)
2C is 23+ points. Usually game-forcing
-2
[other] has one 6- or two 5-card suits, >=8 playing tricks. 1r force
+2
[other] 6-10 points, good 6-card suit (2 of A-Q, 3 of A-10)
2NT is 20-22 points balanced (limit)
3 [suit] pre-empt 7-card suit 7-9ish points
3NT pre-empt solid (AKQ at least) 7-card minor "Weak Gambling 3NT"
4 [suit] pre-empt as 3, but 8-card suit
2NT is 20-22 points balanced (limit)
3 [suit] pre-empt 7-card suit 7-9ish points
3NT pre-empt solid (AKQ at least) 7-card minor "Weak Gambling 3NT"
4 [suit] pre-empt as 3, but 8-card suit
-(with 15-19 points balanced, open 1[suit] and rebid xNT - see below
+A weak 2 denies a 4-card major or good 3-card major
+
+(with 15-19 points balanced, open 1[suit] and rebid xNT - see below)
** Replying **
** Replying **
@@
-80,12
+82,18
@@
Positive responses often suggest slam prospects
2 [suit] 5-card suit with an honour ~7+ points. game-force
3 [suit] decent 6-card suit. game-force
2 [suit] 5-card suit with an honour ~7+ points. game-force
3 [suit] decent 6-card suit. game-force
-* Response to 2[suit]
+* Response to 2[suit] "RONF" (raise is the only non-forcing bid)
+
+Raises are limits and opener must not bid again:
+3 [suit] - 3/4 support 6-13 points
+4 [suit] - 4/5 support 6-13 points (may be weaker with 5)
-2NT - negative
-[new] - 5+ cards, 8+ points. game-force
-3[suit] - 3+support, 5-8 points. game-force
-3NT - 8-11 points, flat hand
+Other bids are forcing:
+new suit - 16+ points 5+ cards, no support
+2NT - 16+ points or 13+ points with 3+ support, opener shows a feature
+(i.e. a stop) or rebids if none
+3NT - 16+ points, stoppers in all other suits, signoff (likely to be a
+tough contract, esp if communication bad)
* Response to pre-emptive 3
pass - <15 points, no support
* Response to pre-emptive 3
pass - <15 points, no support