Superprecision Strong 1C opening
RESPONSES TO 1C OPENING BID WITHOUT OPPONENT'S INTERFERENCE
HCP
0-7 Conventional, negative, any distribution. 1D
4-7 Natural, - 6-card suit headed by at least two of the top three honors; 2H/ 2S
8+ Natural, minimum 5 cards, game-force except the case when both hands are minimum and misfit; bidding a minor suit deny a 5 card major. 1H/ 1S
2C/ 2D
8-10 Conventional,
4-4-4-1distribution.
Unusual Positive. Minimum Singleton in a black suit 3C
Singleton in a red suit 3D
11+ Maximum Singleton in suit below 3H/ 3S
4C/ 4D
8-13 Natural, balanced distribution 1NT
14+ 2NT
Conventional, any 7 card suit (at least), with or without side values. 3NT
SP4
RESPONSES TO 1C OPENING BID AFTER OPPONENT'S INTERFERENCE
HCP Distributions and conditions Bid
If LHO doubled 1C opening bid, partner's responses are the same with next exceptions :
0-5 Pass
6-7 1D
8+ With 4 card in both majors Rdbl
LHO overcalled at 1 level
0-5 Pass
6+
Maximum 2 controls balanced distribution Dbl
4 card suit 1H/ 1S
6 card suit 2H/ 2S
7 card suit 3C/ 3D
3H/ 3S
Conventional responses 3 controls with stopper in opponent's suit 1NT
3 controls without stopper in opponent's suit 2C
4 controls without stopper 2D
5 controls or more 2NT
LHO overcalled at 2 level
0-5 Pass
6+ Maximum 3 controls balanced distribution Dbl
unbalanced distribution, 5 cards in suit bid (at least) Suit
3 or 4 controls with stopper in opponent's suit 2NT
5 controls or more Cuebid
LHO overcalled at 3 level
0-5 Pass
6+ Maximum 3 controls balanced distribution Dbl
unbalanced distribution, long suit Suit
4 controls with or without stopper in opponent's suit 3NT
5 controls or more Cuebid
REBIDS OF 1C OPENER
HCP Distribution and conditions Bid
OVER 1D NEGATIVE RESPONSE
16-19 Balanced distribution, eventual a 5 card minor (the development of auction in table SP6 – sequences 3 & 4). 1NT
20-21 2NT
16-21 Minimum 4 cards in major bid; if opener bid 1H/ 1S with 4 cards, his distribution is unbalanced (see table SP6, sequence 1). 1H/ 1S
Minimum 5 cards in minor bid, denying 4 cards into a major (see table SP6, sequence 1). 2C/ 2D
22+ Natural, forcing, 5 cards at least, ask for quality of suit; Roman responses are indicated in table SP6, sequence 2). 2H/ 2S
Natural, forcing, maximum 3 losers, denying a 4 card major; the development of auction is natural. 3C/ 3D
OVER 2H/ 2S CONSTRUCTIVE RESPONSES
16-18 Without fit in partner's suit Pass
Good support, 3 cards minimum; invitation to game. Simple raise
Fit and insufficient force for slam; sign-off. Raise in game
1-suited hand – sign-off. New suit at game level
Fit in partner's suit, 3 tricks in side of responder's suit and stoppers in all side suits. 3NT
19+
Very good own suit; partner raises with 3 cards support or rebids his suit (with minimum) or bids 3NT or make a cuebid (with maximum). New suit below game level.
19+ Strong hands with slam attitude. Conventional bid, asking bid, demanding indication of honors in respective suit. Partner responds as follows :
3C - with QJ
3D - with KJ
3H - with AJ
3S - with KQ
3NT - with AK or AQ
2NT
OVER 1NT POSITIVE RESPONSE
Conventional, balanced distribution, trying to find a fit into a major (Stayman); conventional responses showing suit and force are indicated in table SP6 – sequence 5. 2C
16 Balanced distribution without 4 card major. 2NT
17-18 3NT
Strong 1-suited hand. ALPHA asking bid (see table SP13). 2D/ 2H
2S/ 3C
Very strong hand, solid suit, BETA asking bid (see table SP13). 3D/ 3H
3S/ 4C
OVER 2NT POSITIVE RESPONSE
Conventional, demands attempt of distribution.
Partner announces his 4 card suits as follows :
3D - one or both majors
3H - heart and a minor
3S - spade and a minor
3NT - no 4 card major
3C
Natural, ALPHA asking bid in respective suit. 3D/ 3H
3S/ 4C
Natural, invitation to 6NT if partner has 16 HCP or more. 4NT
OVER 3NT CONVENTIONAL RESPONSE
Conventional, asking bid demanding attempt of controls in side suit.
Partner responds:
4D - no side control
4H - 1 control
4S - 2 controls
Opener's subsequent relay (next step over partner's bid) demands attempt of singleton or void. Partner responds:
- 1st step = a void into a unidentify suit;
- other responses show singleton in respective suit. Next, a new relay demands attempt of suit which partner has void.
4C
Conventional, demands attempt of solid suit.
Partner responds:
4H - heart
4S - spade
4NT - diamond
5C - club
4D
OVER A POSITIVE SUIT RESPONSE
16
Good support, minimum hand. Jump in game in partner's suit
16-18 No good suit, no 4 card major, no two doubletons. 3NT
16+ 5 cards at least; partner raises with Jxx or better. New suit
One or both 4 card major or two doubletons or poor 5 card minor. With 17-18 HCP and 4 trumps, in next round, raise partner's major. NT at minimum level
19-21 4 cards support Jump raise
19+
Strong support, 4 card at least. Trump asking bid. Simple raise
Solid or semisolid suit by 4 cards or more. Jump new suit