[thepossum]

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You are obviously thinking game and possible slam but how to get there...
Sadly I didn't. Passed out trying to find a way to force to one of the possible slams

[mike777]

2H transfer to spades, then 3H forcing, over three NT will rebid 4H.

You cannot trf to two spades and rebid 4H as that is ace asking in spades. 4NT rebid would have been quantitative.

All that is complicated and takes practice

[mikeh]

mike777, on 2026-March-04, 06:44, said:

2H transfer to spades, then 3H forcing, over three NT will rebid 4H.

You cannot trf to two spades and rebid 4H as that is ace asking in spades. 4NT rebid would have been quantitative.

All that is complicated and takes practice

That’s a new one on me:4H as keycard after 1N 2h 2S. I suspect most would interpret 4H as a splinter, showing 6+ spades, short hearts and some mild slam interest

As to what to bid, I suspect the OP was playing with robots and I don’t know how they bid gf major two suiters.

I have differing methods according to who I’m playing with, but most often I play 1N 3D as 5=5 majors, game invitational or better, but not slamming. With slam hopes, 1N 2H 2S 3D, where 3D is a transfer to hearts.

I doubt either of these treatments are available to the OP. So I’d slide my cursor over my possible actions until I found one saying I’m forcing to game with both majors.

[mike777]

Yes ace asking, 4Nt would be quantitative

[mikeh]

mike777, on 2026-March-04, 14:50, said:

Yes ace asking, 4Nt would be quantitative

The usual way to use keycard after transferring to a major is to use a 4 level transfer then keycard. I’ve never heard of your treatment. It’s (imo) frankly a terrible idea. Now, if you refuse to play Texas, for reasons that I cannot imagine, then you need some way to set trump before keycarding and, I suppose, you could play it as you do. Since there is literally NO advantage to it (compared to Texas) and you lose the splinter, this treatment leaves me cold.

Btw, if this is supposed to be part of what is known as Baze, my understanding (and I played Baze with Grant Baze so I learned it from the source, lol) is that it only applies over stayman sequences. But I doubt it’s baze since baze uses 4C and 4D, one as a big flat raise and the other as keycard.

[thepossum]

Thx

I discovered later that I could transfer to spades, then bid hearts to show 55, or possibly transfer to hearts then jump to spades
I just was not sure how to progress at all

I don't think the slam was an obvious one but to set the best suit and explore would have been good
Slam was there in both majors though

[mike777]

You want to know if partner can super accept and if so how?

[blackshoe]

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If partner bids 3M, raise to 4. If partner bids 4M, pass. If partner bids 3NT, bid 4♥.

Slam seems unlikely.

Edit: Okay, maybe I'm too conservative. Or I've gone slamming and been bit too often.

You really need to have prior discussion on bread and butter auctions -- and both majors over 1NT ((5-4) or better) is one (actually several) of those. :-)

[Zelandakh]

There are a lot of options here and it very much depends on system. Playing SA (including I believe BBO Standard and BBO Advanced) as already pointed out bidding 2♥ followed by 3♥ is GF with 5-5 or better majors. Playing Stone Age Acol, you use Extended Stayman (aka "that convention with the unpronounceable Polish name"): 1NT - 2♣; 2♦ - 3♦ asks Opener to bid a 3 card major. Playing the 4♣ extension to Texas, 1NT - 4♣ shows both majors at least 5-5 and either no slam interest or a desire to ask for key cards. This allows you an auction like 1NT - 4♣; 4M - 5♣ for XRKCB, if that is where you want to take it. A few pairs use a specific gadget for 5-5 majors GF in a direct 3♦ response. Finally, playing 2nd round transfers, the auction 1NT - 2♦; 2♥ - 3♦ is available for the same purpose, which is generally more efficient than the gadget. In other words, whichever 1NT structure you play, there will be an auction that shows a GF hand with 5+ in both majors. What that auction is depends on you and your partner.

[pescetom]

Zelandakh, on 2026-April-06, 10:56, said:

A few pairs use a specific gadget for 5-5 majors GF in a direct 3♦ response. Finally, playing 2nd round transfers, the auction 1NT - 2♦; 2♥ - 3♦ is available for the same purpose, which is generally more efficient than the gadget. In other words, whichever 1NT structure you play, there will be an auction that shows a GF hand with 5+ in both majors. What that auction is depends on you and your partner.

In my 1NT structure most hands with both majors go through the 2♣ ask, here the auction is:
1NT - 2♣ (ask)
2♦ (no 5cM) - 3♦ (5M5M GF)

Simple, low level and keeps transfers well defined.