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If alerting is new to you, this article is not intended for you! Look at the Introduction to Alerting article instead! The EBU has recently made significant changes to the regulations which determine which calls you have to alert. My main purpose in writing this article is to make players aware of what they have to do differently, although I shall provide some motivation for the changes. The most significant difference is that before when your partner made a call, there were only two possibilities—either you made an alert using the blue alert card, or you did nothing. That is now longer the case. Il y a trois possibilités: 'oui', 'non', autre chose... There is now a third possibility, which only comes into force in three specific situations. Some bids you must now announce by saying a predetermined phrase. However, like alerting, announcing only ever happens when your partner calls. You must never announce any of your own bids!
Once the bidding has gone past 3NT, you no longer alert anything except opening bids. So you should alert an opening 4 which shows spades, but do not alert responder's 4 which shows spade support and a diamond singleton.
Some high-level doubles and passes with highly unexpected meanings are alertable, but you needn't worry about that... Doubles In general, do not alert takeout doubles of suit bids (including "negative" or "responsive" doubles), but alert value-showing doubles and penalty doubles of suit bids. This may seem strange, but remember that you do not alert any doubles above 3NT. However, if the bid is conventional, most people play double as showing that suit. You do not alert this, but any other meaning requires an alert. If the bid doubled is in no-trumps, then do not alert penalty doubles, but alert any other doubles. Some examples | |||||
| West 2 ![]() 3 ![]() 4 ![]() 5
| North pass pass pass all pass | East 2NT 3 ![]() 4NT | South pass pass pass | When West opens 2 , East says "weak".
West alerts 2NT, which is artificial, and East alerts 3 , which shows a good hand.
West alerts the 3 cue-bid, but East does not alert the 4 cue-bid because it is above 3NT. Neither player alerts RKCB or the response, for the same reason. | |
| West 1 ![]() dbl | North 2 ![]() 3
| East dbl 3
| South 2 ![]() all pass | East's double is negative, so North does not alert it. South's 2 , showing a good raise, requires an alert. West doubles this to show better spades—this is not alertable since the bid was conventional. | |
| West 1NT all pass | North dbl | East 2
| South dbl | When West opens 1NT, East says "twelve to fourteen".
South does not alert the penalty double, and West does not alert the natural 2 bid.
North alerts South's penalty double—a double of a natural suit is alerted unless it is takeout. | |
| West 1NT 2
| North pass 3
| East 2 ![]() dbl | South dbl all pass | When West opens 1NT, East says "twelve to fourteen".
When East bids 2 , West says "Stayman".
North does not alert the double since it shows clubs, and East does not alert the 2 response.
Again, West must alert the final double since it is not takeout. | |