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Pre-emptive Raise versus Limit Raise


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I don't like Jacoby 2NT because it takes away the 10-12 invitational to 3NT bid. Also, I don't like Jacoby 2NT because it shows much more information to the opponents (like the shortness) even when there is no slam interest, and slams are very rare. The more information given to the opponents, the more chance they can find the correct defence to make games go down.
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I don't like Jacoby 2NT because it takes away the 10-12 invitational to 3NT bid.

So play forcing 1NT (or forcing next step). Then rebid 2NT invitational.

 

Also, I don't like Jacoby 2NT because it shows much more information to the opponents (like the shortness) even when there is no slam interest, and slams are very rare. The more information given to the opponents, the more chance they can find the correct defence to make games go down.

I agree with you if 2NT may be merely invitational. The weaker hands are much more likely than the stronger. But if J2N is 13+ and 4 card support, then slam is a more realistic prospect, and you need tools to find it. Any tool will give information away, unavoidably, but the net result is better than guesswork.

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Hardy suggested 2NT should show 15+, and with 12+ to 15-, you use Trump Swiss (4 or 4), all three bids requiring 4+ trumps. With (10)11-12 balanced, bid 1NT (Forcing), then 2NT. You may give away information, but it is less likely, I think, to matter.
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I like to use simple sequences to do simple things, i.e. I hate bidding another suit first and then show support later when I know that game is certain. When I bid 45% games, it is extremely important not to leak any information to the opponents when it does no help to our game.

 

About my previous "stressed" 2 raise, if responder actually has 4-card support, he would raise to 3 himself upon interference, and opener knows responder has 4 trumps. If responder passes and opener raises to 3, that means opener has 6 trumps.

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