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MM System > 1C-1Suit-1NT > Flashcards

1C-1Suit-1NT Flashcards

1
Q

1C-1D-1NT-2C

A

Forces 2D, weak with D, some invite, singleton auto-splinter, (subsequent 3NT rebid undefined, unlike after 1M response)

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2
Q

1C-1M-1NT-2C

A

Forces 2D, weak with D (longer D than M), some invite, singleton auto-splinter, COG

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3
Q

1C-1D-1NT-2D

A

Unbalanced GF with 4+H, forces 2H, maybe 4441/1444, otherwise at least 5D4H.

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4
Q

1C-1H-1NT-2D

A

Weak with H OR unbalanced GF with 4+D (transfer back to original suit to show GF with second suit D). Forces 2H. If GF then at least 5H4D.

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5
Q

1C-1S-1NT-2D

A

Weak with 5S4H OR unbalanced GF with 4+H (minimum shape 5S4H). Opener GIVES PREFERENCE over 2D in case responder is passing (only “transfer” auction where opener isn’t forced to complete).

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6
Q

1C-1D-1NT-2H

A

Forces 2S, unbalanced GF with 4+S, may be 4144, otherwise at least 5D4S.

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7
Q

1C-1H-1NT-2H

A

Forces 2S, unbalanced GF with 4+S. Could be 4414, otherwise at least 5H4S.

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8
Q

1C-1S-1NT-2H

A

Weak with S OR unbalanced GF with 4+D (transfer back to original suit to show GF with second suit D). Forces 2S. If GF then at least 5S4D.

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9
Q

1C-1D-1NT-2S

A

Forces 2NT, either invitational with 4D6C (unlikely after 1C-1D) or 4D4M32 GF or 3343/(32)44 quantitative.

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10
Q

1C-1H-1NT-2S

A

Forces 2NT, either 4H6C invite or 44(32) GF or 3433/4H4C32 quantitative.

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11
Q

1C-1S-1NT-2S

A

Forces 2NT, either 4S6C invite or 4333/4(32)4 quantitative.

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12
Q

1C-1D-1NT-2NT

A

Forces 3C, either weak with 4D6C (unlikely after 1C-1D) or unbalanced GF with 4+C (minimum shape 5D4C).

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13
Q

1C-1H-1NT-2NT

A

Forces 3C, either weak with 4H6C or unbalanced GF with 4+C (minimum shape 5H4C).

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14
Q

1C-1S-1NT-2NT

A

Forces 3C, either weak with 4S6C or unbalanced GF with 4+C (minimum shape 5S4C).

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15
Q

1C-1Suit-1NT-3Lower

A

GF 5-5

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16
Q

1C-1A-1NT-3A

A

Slam try in A, not suitable for another route. Sets A if it is a major, so Serious/Non-Serious would then be in play.

17
Q

1C-1Suit-1NT-3Higher/4Lower

A

Slam try in A, void in suit bid. Sets A if major, can still stop in 3NT/4NT if diamonds.

18
Q

1C-1Suit-1NT-3NT

A

To play

19
Q

1C-1M-1NT-4M

A

To play

20
Q

1C-1D-1NT-2C-2D-2M

A

Invitational, 4+D 4M, NF. (If responder is a passed hand this shows 5D4M invite.)

21
Q

1C-1D-1NT-2C-2D-2NT

A

Invitational, 4+D, no 4CM.

22
Q

1C-1D-1NT-2C-2D-3C

A

5D5C invite

23
Q

1C-1D-1NT-2C-2D-3D

A

6D invite

24
Q

1C-1D-1NT-2C-2D-3M/4C

A

D slam try, singleton

25
Q

1C-1D-1NT-2C-2D-3NT

A

Doesn’t really exist. If it is bid, then it is a COG between 3NT and 5D.

26
Q

1C-1H-1NT-2C-2D-2H

A

5H invite. Might be an average 6H invite (not good enough to to jump to 3H).

27
Q

1C-1H-1NT-2C-2D-2S

A

4S invite, may have 4 or 5 hearts (if passed hand, then definitely 5H4S). Opener can bid 3H with max and 3 hearts to check on the way.

28
Q

1C-1H-1NT-2C-2D-2NT

A

4H invite, denies having 4S.

29
Q

1C-1H-1NT-2C-2D-3m

A

5H5m invite

30
Q

1C-1H-1NT-2C-2D-3H

A

6H invite (sound invite, as 2H is also available).

31
Q

1C-1H-1NT-2C-2D-3S/4m

A

H slam try, singleton.

32
Q

1C-1H-1NT-2C-2D-3NT

A

COG with 5 hearts.

33
Q

1C-1S-1NT-2C-2D-2H

A

5S4H invite.

34
Q

1C-1S-1NT-2C-2D-2S

A

5S invite (may also be 6S invite not good enough for 3S)

35
Q

1C-1S-1NT-2C-2D-2NT

A

4S invite.

36
Q

1C-1S-1NT-2C-2D-3m/3H

A

5S5m/H invite.

37
Q

1C-1S-1NT-2C-2D-3S

A

6S invite (sound invite as 2S also available)

38
Q

1C-1S-1NT-2C-2D-3NT

A

COG with 5 spades

39
Q

1C-1S-1NT-2C-2D-4m/H

A

S slam try, singleton.

MM System (1 decks)

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