Slam Conventions
Italian Style Control Bid
Promise 1st or 2nd round control. Bypassing a suit denies a 1st and 2nd round control.
Control bid at 3-level promises an honor, unless he has shown two-suits, which cue-bid could be short.
Cuebid Interference
When they double our cuebid
P No 1st or 2nd round control Rdbl 1st round control Other 2nd round control
When they overcall during cuebid
P No 1st or 2nd round control, or high enough. Forcing Dbl 1st round control Bid 2nd round control
Cuebid After Relay
Applicable sequences:
- 2M 2N …
- 1M 2♣; 2♦ 2M …
- 1M 2♣; 2M 2N …
If responder has a known short suit: then
- Bid the short suit is ST in M
- Others are Natural suit (4oM = To play if oM is not the short suit)
- 4N is RKCB in M
If responder has no short, then
- 4oM is ART, set M ST
- Others are Natural suit
RKCB
Normal RKCB
RKCB is used. Unless specified, it is asked with the 4N bid.
RKCB (4N)
- 5♣
1 or 4 keycards - 5♦
0 or 3 keycards - 5♥
2 keycards without trump Queen - 5♠
2 keycards with trump Queen - 5N
Even keycards, working void somewhere - 6♣
Odd keycards, working void somewhere
Trump Queen Ask (After 1st / 2nd steps)
5 of trump No trump Q - 5N
Trump Q, no unbid side King Side suit Trump Q, side King of the suit bid 6 of trump Trump Q, side King in a suit unbiddable below 6 of trump
After the first 4 steps of RKCB responses
- 5N
Ask for the lowest side K 6X Lowest unbid King in suit X 6 of trump No unbid side King below 6 of trump Higher At least two unbid side Kings
6X General Grand Slam Try. Ask for help in X
Weak Keycard Ask
Used when partner has limited strength:
- 4♣ after 3♦/♥/♠
- 4♦ after 3♣
- 4N after 4♥/♠
- 1♦ - 1♥ …, then asked by opener
Weak Keycard Ask
1st step 0 Keycards. +1 step ask for trump Queen 2nd step 1 Keycard without trump Q 3rd step 1 Keycard with trump Q 4th step 2 Keycards without trump Q 5th step 2 Keycards with trump Q
Exclusion RKCB
A jump to a side suit above 4♥ ask for the number of Keycards outside the bid suit
ERKCB
1st step 0 or 3 Keycards. +1 Step ask for trump Queen 2nd step 1 Keycard. +1 Step ask for trump Queen 3rd step 2 keycards without trump Queen 4th step 2 keycards with trump Queen
RKCB Interference
If RKCB is interfered by Dbl / 5♣ / 5♦ (at most 2 steps)
D0P1
Dbl 0 or 3 Keycards P 1 or 4 Keycards 1st step 2 Keycards without trump Queen 2nd step 2 Keycards with trump Queen 3rd step 2 keycards with a working void 4th step 1 Keycard with a working void
If RKCB is interfered by 5♥ or above (3 steps or more)
DEPO
Dbl Even number of Keycards P Odd number of keycards