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Part 1
Originally developed as ACBL Standard Yellow Card.
Expanded by Mark London
Further Simplified and Expanded by Wayne Flournoy
and Anna Marsh (OKbridge user-name: "ana")
Other sources: " Modern Bridge Conventions " by William S. Root & Richard Pavlicek
( http://www.rpbridge.net/ ). This book can be ordered (Worldwide) from Baron Barclay Bridge
Supplies ( http://www.baronbarclay.com/ )
Index
Page
Overview
1
Standard SA-YC Conventions
2
General Approach
2
Responses and Later Bidding after 1NT Opening
3
2NT and 3NT Opening
6
1st Level Bidding/Responses/Rebids
6
Strong 2 ♣ Opener
8
Slam Bidding Conventions
9
Defensive Bidding
11
Balancing Seat Bids
14
Competitive Bidding
15
Leads and Signals
19
Default OKbridge SA-YC CC
20
ACBL CC
21
Document Links, etc.
22
Overview
Part 1 describes the SA-YC bidding system as played on OKbridge. SA-YC is normally a "five-card
majors " bidding system, but players may exercise their own judgement to open a good four-card major
in third seat. A few sequences are defined in the later rounds of SA-YC auctions. Players are free to
assign "forcing", "invitational", or "non-forcing" meanings to natural calls in such sequences.
All artificial bids/conventions mentioned in Part 1 are standard SA-YC. A novice player may arrange
with his partner not to use some of the standard conventions, but the partnership must agree explicitly
which conventions are to be excluded. Suggested standard conventions for novices to specifically omit
are marked as "1-Star" ( * ).
Overview Cont'd. →
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2
Overview (Cont'd.)
Standard SA-YC Conventions
Page
Stayman
3
Jacoby Transfers to Majors!
3
Jacoby 2NT! *
8
Strong 2 ♣ Opener
8
4th Suit Forcing! *
8
Blackwood
9
Quantitative 4NT
9
DOPI *
9
Control Showing Cuebids
10
Gerber *
10
Grand Slam Force! *
10
Weak 2/3 Bids
12
2NT! Response to Opening Weak 2
12
Raise only Non-Forcing (R-O-N-F)
12
Unusual NT! *
12
Michael's Cuebid! *
13
Negative Doubles!
17
SOS Redoubles
18
Note : Throughout this document, the required alerts, based on the ACBL alert chart, are identified with an
"exclamation mark" ( ! ) "HCP" is used for actual "high card points" – "Points" is used to include
distributional points. NF=Non-Forcing.
General Approach
1. Normally open five-card majors in all seats.
2. Open the higher of long suits of equal length: 5-5 or 6-6.
3. Normally open 1 ♦ with 4-4 in the minors .
4. Normally open 1 ♣ with 3-3 in the minors .
5. No trump openings show a balanced hand but can be made with a five-card major or minor suit.
6. 1NT = 15-17HCP
7. 2NT = 20-21HCP
8. 3NT = 25-27HCP {See also Part 2 Gambling 3NT }
9. Strong artificial 2 ♣ Opener = (22+ HCP)
10. Weak Two-bids in diamonds , hearts and spades . (5-11 Points, 6 card suit)
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3
Responses And Later Bidding After 1NT Opening
Stayman
A response of 2 ♣ after a 1NT opening by partner is Stayman . It shows 8+ HCP two 4-card majors ,
{one if at least 3 of the other, since opener will assume both (see note1 below}. It is used to ask opener
if he has a 4-card major . Opener must rebid 2 ♦ (denying a 4-card major ), 2 ♥ , or 2 ♠ . If responder then
rebids 3 of either minor , it shows slam interest and at least 5 cards in the bid suit.
If responder has 5/4 or 4/5 in the majors he can rebid the longer major when the response is the
shorter major (or denial of a 4-card major ) to show 5: eg., 1N-2 ♣ -2 ♠ -3 ♥ (showing 5x hearts and
4x spades ) or 1NT-2 ♣ -2 ♦ -2 ♥ (showing 5x hearts and 4x spades )
Note 1 : If opener has 4-4 in majors , opener bids 2 ♥ first: if responder's suit is spades , he will rebid
2NT and opener can then bid his 4-card spade suit if he feels a suit contract is best. For example:
Opener Responder
Shows
1NT
2 ♣
Opener has 4/4 majors , minimum/maximum NT opener
(NF)
2 ♥
2NT
3 ♠ /4 ♠
Pass
Note 2 : Stayman can also be used in cases where responder has fewer than 8 HCP and intends to
pass any response, i.e. if responder has 4-4-4-1 shape (the club being a singleton), any response can
be passed and hopefully improve the final contract. {see also Part 2 Minor Suit Stayman }
Jacoby Transfers to Majors ( ! )
Jacoby transfers (Xfers) show a five+ card major suit:
2 ♦ is a transfer to 2 ♥
2 ♥ is a transfer to 2 ♠
Opener MUST accept the transfer: any bid besides a simple acceptance of the transfer shows a good
hand with 4 trumps (forcing to 3NT or 3/4 of the major ). Jacoby Transfers also apply when partner
has made a strong natural NT overcall at any level. {see also Part 2 Jacoby Xfer to Minors and Minor
Suit Stayman }
Opener Responder
Shows
1NT
2 ♥
2 ♦ !
Pass
Responder has 0-7HCP with 5+ hearts
1NT
3 ♥
2 ♦ !
Pass/3NT/4 ♥
Opener has 17HCP and 4 hearts (invitational)
1NT
3 ♣
2 ♦ !
3NT/3-4 ♥
Opener has 17HCP,good club suit and 4 hearts (forcing)
1NT
2 ♥
2 ♦ !
2NT/3 ♥
Responder has 8-9 HCP (invitational to 3N or 4 ♥ )
1NT
2 ♥
2 ♦ !
3 ♣ - ♥
Responder has 9+HCP, good side suit,
but may not be long (GF, poss slam interest)
1NT
2 ♥
2 ♦ !
3NT
Responder has 10+HCP asks Opener to pass or bid 4 ♥
Note 1 : Jacoby Transfers are also used over openers of 2/3NT openers
Note 2 : Jacoby Transfers are " off " if the 1NT opening is overcalled.
Responses And Later Bidding After 1NT Opening Cont'd. →
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4
Responses And Later Bidding After 1NT Opening (Cont'd.)
Other Responses to 1NT
Opener
Responder
Shows
2NT
8HCP usually denies 4-card major
but can be used on v balanced hand
3 ♣ /3 ♦
6+ minor suit, invitational to 3NT/5 minor
3 ♥ /3 ♠
6+card suit and slam interest
1NT
4 ♠ /4 ♥ /5 ♦ /5 ♣
6+card suit no slam interest
and limited entries for NT
4 ♣
Gerber asking for Aces
4NT
Quantitative not Blackwood :
opener bids 6NT if max, pass if min
Interference After 1NT Opening Bids
If Opponents Double
Stayman and Jacoby Xfers are " on "
Example
Opener Opp Responder Response Shows
2 ♣
X
Stayman
2 ♦ /2 ♥ !
Xfer to 2 ♥ /2 ♠
If Opponents Bid over 1NT Opener
Stayman and Jacoby Xfers are " off ". Bids are natural except for a cuebid (ie. a bid of opp's suit),
which can be used with game force strength as a substitute for Stayman
.
Example
North
East
South
Response Shows
2 ♣ /2 ♦
3 ♣ /3 ♦
South has 4/4 majors , opener bids 4 of a
4-card major or 3NT if no 4-card major
1NT
South has 4 of the unbid major ,
opener rebids 4 of the unbid major with 4
or 3NT without 4 of the required major
2 ♥ /2 ♠
3 ♥ /3 ♠
Responses And Later Bidding After 1NT Opening Cont'd. →
1NT
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Interference After 1NT Opening Bids (Cont'd.)
If Jacoby Xfer is Doubled
Opener’s possible Calls
Resonder’s possible Calls
Pass
1. Make natural bid
2. XX
3. Pass(toplay)
4. Bid 2 of a major (sign off)
XX (strong holding in dbled suit)
Complete Xfer to show 3+ trumps
Jump to 3 of suit
Pass or bid on
If Jacoby Xfer is Overcalled
Opener’s possible Calls
Resonder’s possible Calls
Pass
1. Make natural bid
2. X to show strength
3. Pass
X for penalty
Bid 3 of major with good supporting hand
Pass or bid on
If Stayman is Doubled
Opener’s possible Calls
Resonder’s possible Calls
Pass with 4x clubs
XX with 5x clubs or 4xgood clubs
Make any natural rebid
1. Make any natural rebid
2. X for penalty
If Stayman is Overcalled
Opener’s possible Calls
Resonder’s possible Calls
Pass
X for penalty
1. Make a natural rebid
Bid 4-card major at 2 level
2. X for penalty
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