[thorvald]

GIB can't handle strong hands

Here it terrorized both declarers but in different ways

First my opponent

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2♥ could be 3-card, but should in my book also promise 5-card ♠. I think 2♥ is a really ugly bid, but as it is GF i think the right bid is 3♥ from south.

But 4♥ is making on the 4-2 fit

Also note that 2♦ is 11-15 HCP and south has 16 with a lot of controls

At my table this happened

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2♥ as reverse showed 18-22 points, and that fits the hand, but single in partners suit should be downgraded, but the 6th ♦ qualifies the hand for a reverse

Over 3N the Bot checked Aces and with all aces it queried Kings.

Now looking at the hand ♣K would make 7♦ a fine contract, but when that was denied it simulated and found that even ♥K would make the grand a good slam. I assume that my destiny was given as soon as I answered 4 aces, and 5N was just a book bid and simulation first was executed after the response of 6♦

So neither of us found a way to 6♦, that looks like an OK contract.

[LBengtsson]

This is (one reason) why I do not play with robots: they do not have strategy to 'think forward' (as with chess bots). On this hand if I was North I would be thinking, what is my next bid after 1♠ if partner rebids 2♦? I have not got a sensible one in 2/1. I guess (and it is a guess) that 2/1 experts - and I confess I do not know 2/1 in full - would have not bid the 4 card ♠ suit here but would have made the immediate G/F response of 2♣. If there is a 4-4♠ to be found it can be found later.

As for the bidding sequence on the second hand I do not understand why the bot bid one more to 7♦? That is just crazy.

[Douglas43]

LBengtsson, on 2022-September-06, 02:28, said:

This is (one reason) why I do not play with robots: they do not have strategy to 'think forward' (as with chess bots). On this hand if I was North I would be thinking, what is my next bid after 1♠ if partner rebids 2♦? I have not got a sensible one in 2/1. I guess (and it is a guess) that 2/1 experts - and I confess I do not know 2/1 in full - would have not bid the 4 card ♠ suit here but would have made the immediate G/F response of 2♣. If there is a 4-4♠ to be found it can be found later.

As for the bidding sequence on the second hand I do not understand why the bot bid one more to 7♦? That is just crazy.

Would 1♦ -1♠ - 2♦- 3♣ not fit the bill? Or does 3♣ have some special meaning? (Genuine question, I usually play Acol not 2/1)

[pescetom]

Douglas43, on 2022-September-06, 23:31, said:

Would 1♦ -1♠ - 2♦- 3♣ not fit the bill? Or does 3♣ have some special meaning? (Genuine question, I usually play Acol not 2/1)

2D understates the hand (imagine without hA) and is non-forcing, partner with a lesser hand than the one depicted might pass and still miss game.
I am comfortable with 2H, which is a slight overbid but cheaper and more descriptive than 3D.