Endymion77

I would take 1M - 2m - 4m as showing this type of hand, and 1M - 2m - 4M as denying fit and minimum (4 controls or less). That seems more traditional to me.

I wouldn't, I would pull to 2♥

2♥ as a good spade raise seems right, and I'd pass 2♠ by partner

You're way too strong for a splinter. Start with 2♥, partner might surprise you by raising. If not, set spades as trump with 3♠ and see if partner can bid a Serious 3NT or give you a courtesy cue bid. Knowing about your major-oriented hand will surely help him re-evaluate his holding.

I would consider this a Lebensohl situation, and proceed like after a direct 2♠ overcall

Sigh, double and get +300

Diamonds at IMPs / Spade at MPs for me

♠A

You have the best possible hand for the sequence so you have to bid 4♠ but it's a real mystery why partner passed 2♥

It's a rather common agreement to play 1 and 3 level bids as advancer forcing, and 2-level bids non-forcing constructive but I've seen virtually every possible configuration so you have to discuss this with partner.

Your partner: he should correct 2♦ to 2♠. 2NT is unbelievable. You: 2♦ is an underbid but is surely better than a 2♠ rebid (I would rate 2♦ 4/10 and 2♠ 1/10 for opener's rebid).

If you have only a small amount of time (say 30-60 minutes before the session), agree on a basic system (e.g. 2/1 with Bergen raises) in the first 2 minutes and then talk about defense (leads and signals).

East is 100% to blame. After West bids freely, 2♠ is merely competitive (especially at MPs there's a case to be made that it shouldn't promise any extra values at all). The initial double is OK but I would bid 2♦ over 2♣ (3♣ would be a slight overbid, and 2♥ is natural like 2♦ so it's out of the question).

You can have 4153, or 4144, or 4054, or 4063. What's important is the heart shortness which you would like to show. I guess it's a language issue and it's not "patterning out", no problem. BTW with responder's hand I wouldn't accept over 3♣ - very weak spades when we know we only have a 4-4 fit (so it can become rather ugly), too much in hearts, and it's MPs.

I would pattern out with 3♣ in case partner has nothing in hearts but it's close (mainly because it's possible that 3♠ is a trick too high which would be a MP disaster)

Yes, that's what I meant by pure takeout - 'double+bid' sort of TOX that doesn't really want to defend 4♠

It shows convertible values (Kx AQxx AKxx Axx or something, who knows what opps are bidding on in this case - maybe opener has a big 2-suiter). If he has a pure takeout hand, he can bid 4NT.

3♥ only at this vulnerability, 4♥ at any other

How exactly do you make 5♦?

Tesla Motors is OK. Salesforce.com at number 5? That's so 1999. They're the one of the few companies on this list that definitely should be making money at the moment, and their CFO is resigning :)

Count me in for $10M as soon as I can afford it. But Google being 3rd smartest company in the world is bullshit.

2♥ is clear. The 2NT bid in this sequence is interesting, and most experienced pairs need to discuss this. You surely will accept, but something doesn't add up and at MPs you have to at least consider a spade game vs a NT game. However, you're a Q short of a 3♦ bid here so I guess you have to bury a possible spade fit and just bid 3NT following Hamman's rule.

Someone's fooling around, probably East. I wish I could ask for keycards but 4NT would be a takeout with longer diamonds. This is really a question of how much you trust your partner's 2nd seat vulnerable takeout doubles.

The natural way to play diamonds is the double finesse

3♣ and pass 3♥. 4♣ is suicide, they'd always go for +200 and double after stopping short of game and I don't see how it makes unless partner has something that we'd hear about over our 3♣.