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Mexican 2D with or without 5M?

Poll: Would you advise to include 5M332 hands in a Mexican 2D opening? (24 member(s) have cast votes)

Would you advise to include 5M332 hands in a Mexican 2D opening?

  1. Yes, I would allow both Majors (16 votes [66.67%])

    Percentage of vote: 66.67%

  2. Yes, but I would only allow 5H, but not 5S (1 votes [4.17%])

    Percentage of vote: 4.17%

  3. Yes, but I would only allow 5S, but not 5H (0 votes [0.00%])

    Percentage of vote: 0.00%

  4. No (7 votes [29.17%])

    Percentage of vote: 29.17%

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#21 User is offline   blackshoe 

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Posted 2007-June-12, 11:29

If you have a strong balanced hand including a 5cM, and you don't open it 1M, then you're going to need a way to find the 5-3 fit, if it exists. Using the Romex version of 2♦, the bidding might go 2♦-2♥-2NT-3♣-3♥, where 3♣ is Romex Stayman, and 3♥ shows 4 or 5 hearts. You might end up in hearts played from the wrong side, the auction continuing 3♠-4♥-P, but this is one of the few sequences that does that.
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#22 User is offline   Free 

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Posted 2007-June-12, 12:22

When you get 2♥ as weak response, isn't opener going to bid 2♠ or pass with a 5 card Major?
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#23 User is offline   blackshoe 

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Posted 2007-June-12, 18:10

Free, on Jun 12 2007, 01:22 PM, said:

When you get 2♥ as weak response, isn't opener going to bid 2♠ or pass with a 5 card Major?

Nope. After 2♦-2♥, 2♠ shows a GF with primary diamonds and secondary spades, probably 5-4, although other shapes are possible as long as the diamonds are longer. If opener has a balanced hand, he bids 2NT, or rarely 3NT with the 27-28 count. Doesn't matter if he has a five card major or not. NB: over 2♥, 2NT is NF, 3NT is forcing to game or 4NT, and 2♠ is forcing to game.
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As for tv, screw it. You aren't missing anything. -- Ken Berg
Our ultimate goal on defense is to know by trick two or three everyone's hand at the table. -- Mike777
I have come to realise it is futile to expect or hope a regular club game will be run in accordance with the laws. -- Jillybean
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#24 User is offline   jtfanclub 

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Posted 2007-June-12, 18:22

Free, on Jun 12 2007, 01:22 PM, said:

When you get 2♥ as weak response, isn't opener going to bid 2♠ or pass with a 5 card Major?

If you use the system I suggested (which is close to the original), then yes, 2♥ is p/c. If you use Blackshoe's method, which I believe accurately describes the most current method, then you can't stop below 2NT.
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#25 User is offline   Gerben42 

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Posted 2007-June-13, 01:11

And then people started to open lighter and lighter and now the ladder looks like:

11 - 13: Rebid 1N
14 - 16: Open 1N
17 - 18: Open 1♣, rebid 2♦ (or 2NT after 1♣ - 1♦)
19 - 20: Open 2NT
21 - 22: Open Multi rebid 2NT
23 - 24: Open 2♣ rebid 2NT
25 - 26: Open 2♣ rebid 3NT
27+: Too rare to worry about but not a problem using Ryall negatives after 2♣.
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#26 User is offline   glen 

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Posted 2007-June-13, 01:18

11 - 13: Rebid 1NT
14 - 16: Open 1NT
17 - 18: Rebid 2NT
19 - 20: Open 2♣, rebid 2NT (or pass 2M response) *
21 - 22: Open 2NT
23 - 24: Open 2♣ rebid 2♥ modified Kokish *
25 - 27: Open 2♣ rebid 2♥ modified Kokish *
28 - 30: Open 2♣ rebid 2♥ modified Kokish *

For details on * see Brass, adjusting slightly for the ranges above.
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