My first "Zia cuebid"
Yesterday I was training for the upcoming Belgian Championship for university students. There were a few interesting hands, but this one was my favorite:
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The auction went as follows (opponents silent):
1♣ - 1NT (14+ nat or 15+ bal - GF relay)
2♠ - 2NT (5+♣ 4+♠ - relay)
3♦ - 3♥ (14-17HCP, 5431 - relay)
3NT - 4♣ (4-1-3-5 distribution exactly - sets trump)
4♦ - 4♥! (even number of keycards - fake cuebid!)
4♠ - 6♣ (cue - woohoo)
It's not a pure Zia cue since it didn't ruin the opponent's lead. Because of our methods however, I had to make a fake cuebid to figure out if partner had a ♠ cue, because otherwise I would give him a much bigger problem. This is due to the kickback Turbo. If I would bid 4NT to deny a ♠ cue and show a ♦ cue, then partner has to go past 5♣ to show a ♠ cue, but he doesn't have the ♣Q which sort of forbids partner to go past 5♣ as well. This dilemma is quite unsolvable, and I can foresee it since I hold the ♣Q myself. So why make it hard on partner when you have a bid which makes it easy for him?
Note that partner already showed a singleton ♥, so we already know that we have a ♥ cue. No harm done. Nobody else in the main bridge lobby (BBO) found this slam. :-)

2 reactions:
Hmm, but if you don't know the heart distribution you can't possibly do that safely? Or did I miss sthg?
With his 3NT bid, partner showed a singleton Hearts. So I already know his distribution and there's no problem for me to make a fake cuebid since this suit is already stopped. If partner had a doubleton, it would be unsafe to say the least. In that case however I wouldn't even try for slam anyway, except with a much stronger hand (which will usually have a cue in at least one of the Majors)
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