Add weak twos

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:
 
-Acol, 12-14 1NT, Strong twos, transfers, roman key card blackwood
+Acol, 12-14 1NT, Weak twos, transfers, roman key card blackwood
 
 * 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
-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
 
-(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 **
 
@@ -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
 
-* 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