Sure, ... agreeing diamonds. And because 4D would be GF as well, 4C is a splinter. With kind regards Marlowe 4D would be GF? why? I guess it is a matter of partnership agreement, but at least I would prefer to have a forcing raise available, which would allow to investigate 6D, if one already plan to play 5D, instead of stopping in 4D, when this is the last makebale spot. Depending on agreement, 4D is quite often played as aceasking for diamonds. Besides, ... 4D bypasses 3NT, without making a strong effort to play 3NT. With kind regards Marlowe Say you have ♥2 instead of ♥Q. What bid would you make? 3♦ in competitive auction is obviously not enough. There ara a lot of similar sequences: 1