helene_t Posted February 10, 2023 Report Share Posted February 10, 2023 https://www.bridgebase.com/tools/handviewer.html?bbo=y&lin=pn%7CRobot%2CRobot%2CRobot%2CRobot%7Cst%7C%7Cmd%7C4skh863dak8cakqj73%2Csj8ht752dqjt75c86%2Csq942hqj9d632ct95%2Csat7653hak4d94c42%7Crh%7C%7Cah%7Cboard%202%7Csv%7Cn%7Cmb%7C1s%7Can%7Cmajor%20suit%20opening%20--%205%2B%20%21s%3B%2011-21%20hcp%3B%2012-22%20total%20points%7Cmb%7Cd%7Can%7Ctakeout%20double%20--%203-5%20%21c%3B%203-5%20%21d%3B%203-4%20%21h%3B%202-%20%21s%3B%2012%2B%20total%20points%7Cmb%7Cp%7Cmb%7C1n%7Can%7Cone%20nt%20to%20double%20--%203-%20%21h%3B%203%2B%20%21s%3B%205-10%20hcp%3B%20stop%20in%20%21s%7Cmb%7Cp%7Cmb%7C2c%7Can%7Crebiddable%20%21c%3B%2018%2B%20total%20points%7Cmb%7Cp%7Cmb%7Cp%7Cmb%7Cp%7Cpc%7Csj%7Cpc%7Cs2%7Cpc%7Csa%7Cpc%7Csk%7Cpc%7Cd4%7Cpc%7Cda%7Cpc%7Cd5%7Cpc%7Cd6%7Cpc%7Cca%7Cpc%7Cc6%7Cpc%7Cc5%7Cpc%7Cc4%7Cpc%7Cc7%7Cpc%7Cc8%7Cpc%7Cct%7Cpc%7Cc2%7Cpc%7Csq%7Cpc%7Cs3%7Cpc%7Cd8%7Cpc%7Cs8%7Cpc%7Cs9%7Cpc%7Cst%7Cpc%7Cc3%7Cpc%7Cd7%7Cpc%7Ch3%7Cpc%7Ch2%7Cpc%7Chq%7Cpc%7Chk%7Cpc%7Cs7%7Cpc%7Ccj%7Cpc%7Cdq%7Cpc%7Cs4%7Cpc%7Ch8%7Cpc%7Ch7%7Cpc%7Ch9%7Cpc%7Cha%7Cpc%7Cs6%7Cpc%7Ch6%7Cpc%7Cht%7Cpc%7Cc9%7Cpc%7Cd3%7Cpc%7Cd9%7Cpc%7Cdk%7Cpc%7Cdj%7Cpc%7Cck%7Cpc%7Ch5%7Cpc%7Cd2%7Cpc%7Ch4%7Cpc%7Ccq%7Cpc%7Cdt%7Cpc%7Chj%7Cpc%7Cs5%7C (1♠)-x-(pass)-1MT(pass)-2♣ If this is nonforcing, South is a bit strong for it. Quote Link to comment Share on other sites More sharing options...
Jyrki_63 Posted February 11, 2023 Report Share Posted February 11, 2023 You would think that most human players would bid 3NT with that South hand for sure! I could think of two reasons not to do that:A) Concern about hearts. After all North tends to deny a 4 carder in the unbid major (though where else could those 5+ points reside?).B) Possibility of a high club contract (particularly if North has short hearts, and the points consist of SA, diamond quack and some club length. But in that case 3C would be a more logical rebid, unless systematically it would mean something else. But is either of these a compelling motive? 3NT is the practical bid. 1 Quote Link to comment Share on other sites More sharing options...
helene_t Posted February 11, 2023 Author Report Share Posted February 11, 2023 3NT is the practical bid.Yes, this was from a robot challenge, I won some IMPs by bidding 3NT at the other table. But the 2♣ bid needs to mean something, and it seems that the North and South robots disagreed about whether it is forcing or not. Quote Link to comment Share on other sites More sharing options...
pescetom Posted February 12, 2023 Report Share Posted February 12, 2023 But the 2♣ bid needs to mean something, and it seems that the North and South robots disagreed about whether it is forcing or not.The explanation does not say Forcing. Is there a system in which it would be? I agree that if not, it is both an underbid and misleading about NT prospects. Quote Link to comment Share on other sites More sharing options...
helene_t Posted February 12, 2023 Author Report Share Posted February 12, 2023 The explanation does not say Forcing. Is there a system in which it would be? I agree that if not, it is both an underbid and misleading about NT prospects.I was taught that the NT response shows 7-10 and that a new suit by doubler shows 17+, so if that is what we play it seems it should be forcing. Actually I thought that was standard. But maybe I am wrong. It makes some sense to be able to bid 2♣ on 14-16 points with a 1435 or so. Quote Link to comment Share on other sites More sharing options...
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