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Detail specifications 64CA - Level 4 ★

Rotative Sputnik

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Rotative Sputnik.
This convention is used by a large number of players worldwide.It's a type of Texas bid by the Responder when the Opp has overcalled with 1♦ or 1♥. The aim is for the Overcaller to be on lead...
After an overcall, Responder can bid the following :
  • X always promises a minimum of 4 cards in the major immediately after the overcalled suit :
    • On an 1♦ overcall X promises a minimum of 4♥ cards
    • On a 1♥ overcall X promises a minimum of 4♠ cards
  • bidding 1♥ promises a minimum of 4 ♠ cards
  • bidding 1♠ denies 4 ♠ cards but gives the possibility of a 1NT bid
SWNE
1
1
X
K
7
6
K
8
5
3
J
6
10
7
6
4
Problem E9655
The X from Responder promises at least 4 cards in the suit ranked one level higher than that of Overcaller's suit. In this instance it's COs.
 
SWNE
1
1
1
K
J
8
7
6
A
J
7
K
J
9
4
7
Problem E9662
1♥ showing at least 4 ♠ cards, in this case it's 5 cards.
 
 
Rotative Sputnik ; Responder's bids
  • After an overcall of 1♦ , Responder promises :
    • with X a minimum of 4 ♥ cards (suit that is ranked one level higher than♦)
    • with the bid 1♥ a minimum of 4 ♠ cards
    • with the bid of 1♠ neither 4 ♥ cards, nor 4 ♠ cards and no desire to bid 1NT!
  • After a 1♥ overcall, Responder promises :
    • with X a minimum of 4 ♠ cards (suit that is ranked one level higher than ♥)
    • with a bid of 1♠ denies 4 ♠ cards, no desire to bid 1NT and no changing suit to the other minor at the 2 level

SWNE
1
1
1
Pass
7
6
5
8
6
2
A
K
Q
J
K
J
6
Problem E9676
1♠ : denies 4 ♠ cards and no desire to bid 1NT
 
 
Rotative Sputnik : Opener's rebid
WIth a rebid, Opener describes his hand and a possible fit.
  • By bidding Responder's suit without a jump, Opener shows a 3 card fit, no stopper in Overcaller's suit (and possibly not 4 cards in the other major)
  • a non jump bid in Responder's suit promises a fit and a 1st zone opening
  • a double jump bid in Responder's suit promises a fit and a 2nd zone opening
  • 1NT shows a regular hand and 1st zone opening with a stopper in Overcaller's suit
  • X from Opener shows 3 cards in Responder's suit and a "nice" opening

K
8
4
K
J
8
5
J
4
9
5
4
3
SWNE
1
1
X
Pass
2
Pass
Pass
Pass
A
Q
7
6
Q
10
9
6
A
7
5
7
6
Problem E9656
2♥ : non jump bid in Responder's suit shows a 4 card fit and a 1st zone hand.
 
K
Q
9
4
8
5
4
3
8
7
J
10
3
SWNE
1
1
X
Pass
3
A
J
10
5
6
J
6
5
A
K
Q
8
7
Problem E9669
3 ♠ : double-jump bid in Responder's suit show a minimum 4 card fit and a 2nd zone hand.
 
 
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