Alerting and Announcing regulations vary.
In Australia, we are required to announce length for 1♣ and strength for 1NT. No "Could be short" announcement for a Precision 1♦.
In 3rd & 4th seats we play "modern" Precision, where 1♦ = 2+.
In 1st & 2nd seats we play a Moscito variant. In our case, 1♥ = hearts, 1♠ = majors, 1♦ = 4+ SPADES.
We pre-alert with "Strong club. 1♦ opening = spades in 1st & 2nd seats."
Despite that, when we "Alert" partner's 3rd seat 1♦ opening, many opponents think "Aha! Spades!" and proceed accordingly.
Do we have a special duty of care here? What should we do and say?
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Alerting obligations
#2
Posted Today, 20:47
Maybe I'd tweak your pre-alert of 1d to be "4+ spades in 1st & 2nd, diamonds or 2+ balanced 11-13 (or whatever range applies for you) in 3rd/4th"
If the opps still get it wrong with that, and your CC clearly marked as varying systems, then it's on them.
If the opps still get it wrong with that, and your CC clearly marked as varying systems, then it's on them.
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