Multi 2 Diamond
From BobRobs lessons.
1. The Bid.
2. Defence against Multi 2 D.
3. Coping with Interference.
1. The Bid:
Can be (a) Weak 6 card major; 6 to 10 points
Or (b) 8 playing tricks in a minor
Or (c) 20 to 22 points balanced hand
Responder.
2H. 0 to14 points
2S. 8 to14 points and at least 4 Hearts
2NT. 15 plus points (any distribution)
3H. 14 points exactly with tolerance for both majors
Openers Re-bid.
If response was 2H, then:
Pass. Weak 6 card heart suit
2S. Weak 6 card spade suit
2NT. 20 to 22 points
3C. 8 playing tricks in clubs
3D. 8 playing tricks in diamonds
If response was 2S, then:
Pass. Weak 6 card spade suit
3H. Weak 6 card heart suit
2NT. 20 to 22 points
3C. 8 playing tricks in clubs
3D. 8 playing tricks in diamonds
If response was 2NT, then:
3C. Weak 6 card hearts 6 to 8 points
3D. Weak 6 card spades 6 to 8 points
3H. Strong 6 card hearts 9 to 10 points
3S. Strong 6 card spades 9 to 10 points
3NT. 8 playing tricks in a minor
If you had (c) the 20 to 22 point hand, Slam could be on.
Responders Re-bid - Transfer, Baron or Flint.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2. Defence against Multi 2 Diamond - Don’t forget to Alert!
Having mastered the bidding of the Multi 2 D, you are now in a position to offer some defence
when it is bid against you. It is all a matter of LOGIC.
| Opener | You as Opponent | Responder | You as Opponent |
|---|---|---|---|
| 2D | Double with at least 12 pts AND AT LEAST 4 Diamonds Otherwise Pass, even with 20pts-you will have a chance to bid later! | 2H or 2S | (a) Double with 12 pts and await developments. or (b) Bid 3C (5 card suit) or 3D (4 card suit) or (c) pass with Hearts and Spades. |
| Pass |
(a) Leave double in with Suit bid or bid 2NT with 12 pts and hold in suit bid (b) Bid 2S, 3C, 3D, 3H, 3NT (13+pts and good hold in suit bid) |
||
| 2D | Double as above | 2NT |
(a) with Hearts and Spades Pass & await developments (b) 6/7 pts, bid 3C (5 card suit) or 3D (4card suit) |
| 2D | Pass | 2H or 2S | (a) Double with 12+pts & await developments (b) With two 5 card minors, bid 2NT (c) With one 5 card minor, bid it (d) Otherwise PASS |
| 2D | Pass | 2NT | Pass and await developments even with 19 pt- you will get another bid. |
IF you have mastered the bidding of the Multi 2D, then coping with interference is logical,
with doubles and use of bids that follow on from normal bidding
3. Coping with interference - Don’t forget to Alert!
(A) By Left Hand Opponent:
| Opener: | L.H. Opponent: | Responder |
|---|---|---|
| 2D | Double | Ignore Double--Bid 2H, 2S, 2NT |
| 2D | 2H | Double, if this was to be your bid. Pass if your bid was 2S (shows hearts) Bid 2NT with 15+ points—NO guarantee of hold in Hearts. |
| 2D | 2S |
Double if this was to be your bid (showing hearts). Pass if bid was to be 2H Bid 2NT with 15+ pts---NO guarantee of hold in Spades. |
| 2D | 3C or 3D |
Double with 15+ points—no guarantee of hold in Clubs or Diamonds. Bid 3H with 3 or 4 Hearts AND Spades, and 8-14 pts—this can be passed by Opener or 3S bid. Otherwise Pass. |
| 2D | 2NT(either for Minors or Majors, or Very rarely 19-20 pts) | Double with 15+ pts (not for penalties) If unusual for minors. Bid 3H with 3 or 4 hearts and spades, and 8—14 pts Otherwise Pass. |
(B) By Right Hand Opponent:
| Opener: | L.H.Opponent | Responder: | R.H. Opponent |
|---|---|---|---|
|
2D Ignore Double -- Normal Rebids (Pass,2S,2NT,3C 3D,3H,3S,3NT) |
Pass | 2H, 2S, SNT | Double |
|
2D Pass if 2S rebid Pass if 2H rebid Double if 2NT rebid Bid 3C or 3D if rebid |
Pass | 2H | 2S |
|
2D Bid 3H if heart suit Pass if spades Double if 2NT |
Pass | 2S | 2NT (for Minors) |
|
2D Bid 3H or 3S Pass if your suit Bid 3D over 3C Double with 20/22 pts |
Pass | 2H or 2S | 3C or 3D |
|
2D Pass if heart suit Bid 3S if suit Double with 20/22 pts Bid 4C or 4D if suit |
Pass | 2H | 3H |
|
2D Pass if Spade suit Bid 4H if suit (?vul) Double with 20/22 pts Bid 4C or 4D if suit. |
pass | 2S | 3S |
NB. As opener, always bear in mind the vulnerability and that Left Hand Opponent could have
12 or more points and be waiting for developments!
|
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