fromageGB

No. The real structural problem is playing a modulus 3 ace asking, eg 0 or 4, 1 or 5. In many hands that is not a narrow enough target to be sure.

Without the hesitation I would bid 3♥ as it does not maybe have enough for a certain 4 opposite a partner who kept quiet, but with that hesitation I think I still bid 3 with justification.

I would miss Gazzilli, and without, this hand is awkward. I don't really want to force to the 3-level, if there is no fit opposite a weak hand, so 3♦ may be a step too far, but having this strength I cannot pass the non-forcing NT. (Similarly 3♣ with minors reversed.) I rebid 2♦(♣) in the hope partner can bid something invitational. My plan is to pass a return to 2♠ but after 2♥ I raise. (With clubs, I rebid 2NT over 2♦.)

I'm a simple soul, so for me with this hand and combined strength it is simply a question of aces. 1NT - 2NT (compulsory transfer to clubs) 3♣ (forced) - 4NT (spade void ace ask) ??reply?? - If 5♣ = 0 ace => pass, if 5♦ = 1 ace => 6♣, if 5♥ = 2 aces => 6♣. Grand would need an ideal but for us undeterminable hand. On the other hand, we do have a side KQ ask when we are playing in a major, so it is a simply a partnership decision to play it with a minor. 1NT - 2NT 3♣ - 3♦ (side KQ ask) 3♥ = K♦ or Q♦ (or both) - 3♠ = what about hearts? 3NT = K♥ or Q♥ (or both) [so opener has K♦+Q♥] - 4NT (spade void ace ask) ??reply?? - If 5♣ = 0 ace => pass, if 5♦ = 1 ace => 6♣, if 5♥ = 2 aces => 7♣. This way grand is a laydown if partner has ALL the right cards (apart from a ruff of the opening lead). If the Q♥ was missing but he had the others, I would think about still bidding 7 as there is a better than 50% chance of partner having another trick.

1NT but I would have transferred to 1NT (or 2C if long) on the first round.

"5 card majors 2/1" does not have any bearing on the method of advances when responder has doubled, so ask what it is. While I expect 3 spades, it could be an utter rubbish hand if they are playing anything like transfers after the double. This gives them 2 bites at a 2♠ bid, so 2♥ would be transfer with a normal unopposed 2♠ bid (probably something like 8 to 11 if you often overcall lighter than an opening hand), while the 2♠ advance is a weaker preempt, perhaps 3-7. If it matters to your bid, though it probably doesn't, ask. It is unlikely to be 4 card support unless it is too weak to make a bid that shows 4 cards. Distribution in the remaining suits is likely to be anything. A weak 3 card support will not have a bid to show a shortage, for example, and cannot bid his own longer suit.

But as soon as R shows singleton or void hearts, you are going to get a heart lead through your hand and if those exes are truly small, then partner will need to have 8 tricks off the top. While I show hearts initially, when opener denies hearts I give up on NT and just play in diamonds. No way can opener bid NT because he does not know how strong your hearts are.

Boris should go. He has done the job that nobody else could, but he is now a year past his sell-by date.

Obviously ace asking. If it was quantitative, what was the point of the transfer?

Then it is not an unassuming cue bid.

Verified the effect in firefox 95.0 in arch linux (not that you would expect OS to make a difference here). I'm getting 1000 requests in 4 seconds of mouse movements, but in real life haven't noticed any lethargy or lagginess. But I am a pretty lethargic player.

Absolutely concur with HardVector (other than I like 5+ with my lack of 4 card major). If opener rebids 1NT 12-14 then 2♣ is to play, 2♦ to play, 2♥ is 11+ 5+ clubs (remember 1♠ denies a major), 2♠ is 11+ with 5+ diamonds, and 2NT natural invite, 3m is a natural slam invitation. Given the options available with 1♠, the alternative bids of 1NT, 2♣ and 2♦ are not wanted naturally, so all can show both majors in one bid. I play 1NT as 54xx or 45xx 6+ hcp, 2♣ as exactly 4 cards both majors 11+, 2♦ as 5 cards both majors (any strength). As 1♣ 2♣ is 44xx 11+, weaker 44xx hands reply 1♦ to show hearts, and over 1♥ (denying 4) then rebid 1NT to show 4 spades. Before anyone quibbles over my 1♠ on 5+ hcp but 1NT needing 6hcp, 1NT is forcing, so if opener does not have a 4 card major he rebids 2♣ and then responder transfers to the 5. As it is forcing to the 2-level, I say 6+ while a simple 1♠ then pass 1NT is 5+ as it is at the one level. Choose your own values.

I play in two EBU affiliated local clubs that use BBO, and one club that uses video and speech on a different platform. I much prefer the BBO experience.

Does the operating system matter? I have always thought it was purely a browser thing (on web access) and provided it coped with html and javascript, as all browsers do, it worked.

No.