accumulated clarifications and corrections

diff --git a/convention.txt b/convention.txt
index 3da4d0afe9b9349d545770cf30e3df22284a2360..d8a466085261bb722f45b107be85d9329b0b5ffd 100644 (file)
--- a/convention.txt
+++ b/convention.txt
@@ -16,7 +16,7 @@ Suit grand slam: 35+
 new suits often force for one round
 jumps to game are usually "shut up"
 "invitational to x" means bid x if maximal for previous bid
-"support" is usually 4 cards
+"support" is usually 4 cards (should add up to 8)
 if you make a limit bid, you usually shut up unless forced
 
 ** Opening **
@@ -26,7 +26,7 @@ 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, at least 5 quick tricks. Usually game-forcing
+2C is 23+ points. Usually game-forcing
 2 [other] has one 6- or two 5-card suits, >=8 playing tricks. 1r force
 2NT is 20-22 points balanced (limit)
 3 [suit] pre-empt 7-card suit 7-9ish points
@@ -46,7 +46,7 @@ pass - <6 points
 xNT - denies support for partner (other responses do not)
 1NT 6-9 points (doesn't need to be balanced), no 2-level bid (limit)
 2NT 10-12 points, balanced (limit)
-3NT 12-15 points, balanced (limit)
+3NT 13-15 points, balanced (limit)
 1 [new] 6+ points, 4+ cards, 1-round force
 2 [new < suit] 8-9+ points, 5+ cards, 1-round force
 jump [new] 16+ points, 5+ cards (or support), game force
@@ -55,8 +55,7 @@ jump [new] 16+ points, 5+ cards (or support), game force
 
 pass - <11 points, no long suit
 2C - Stayman (bid 2 of a 4-card major or 2D if none)
-2D/2H - Transfer (3 of next suit if 4+card and maximal, 2 of next otherwise)
- [a break (3 of unexpected suit) shows maximum and xx in bid suit]
+2D/2H - Transfer (bid 2 of next suit)
 2S - 11 points or long minor (bid 2NT if minimum, 3C if maximum)
 2NT 12 points; invites game if opener maximal
 3 [suit] - 5 cards in suit, forcing 1 round
@@ -70,12 +69,13 @@ pass - <11 points, no long suit
 * Response to 2NT
 
 3C - Stayman (as before, but forcing to game)
-3 [suit] 5-card suit, forcing to game
+3 [suit] - transfers (to a 5-card suit), game-forcing
 others, as per 1NT
 
 * Response to 2C (all game-forcing except 2C-2D-2NT (23-24 balanced))
 
 2D - negative (<8 points)
+Positive responses often suggest slam prospects
 2NT - balanced, 8+ points, game-force
 2 [suit] 5-card suit with an honour ~7+ points. game-force
 3 [suit] decent 6-card suit. game-force
@@ -135,7 +135,7 @@ make the most natural rebid
 e.g. after 1NT-1D-1H:
 
 pass - weak hand
-2NT - invitational to part-score or game in H or NT
+2NT - invitational to part-score or game in H or NT (shows 5 hearts)
 3H - promises 6 hearts, invitational to game
 new suit - promises 5-4 or 5-5, game-forcing
 3NT - option to move to 4H or stay in 3NT
@@ -176,7 +176,7 @@ Diamonds (and no such control in clubs); you can continue on to
 
 Against a 1-level bid, 1NT shows 16-18 points and a stop in the bid
 suit (you may bid stayman on top if relevant), unless in fourth place
-where it is 12-14 as normal e.g. 1H-p-p-1NT.
+where it is 12-14 as normal e.g. 1H-p-p-1NT or p-p-1H-1NT.
 With more points, double, then bid NT next time.
 
 1[suit] overcall is 5+cards, 8-16ish points