The overcalling side are short of time - the chances of having a long uninterrupted conversation with partner to find a mutually agreeable trump suit are negligible (the opening side will prevent this). So you, as an overcaller, should have a strong preference for your suit to be trumps. This does not mean that you need a good hand (although you do not deny one), but you must have a good suit.
Exercise: Right-hand opponent opens 1 ♥. With which of the following hands would you overcall 1 ♠?
Hand a) | Hand b) | Hand c) | Hand d) |
♠AQ1074 ♥2 ♦642 ♣QJ64 |
♠AK72 ♥Q96 ♦K75 ♣987 |
♠A6432 ♥Q3 ♦Q52 ♣J82 |
♠KQJ74 ♥J3 ♦KJ72 ♣A3 |
1♠ | Pass | Pass | 1♠ |
North Deals None Vul |
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West | North | East | South |
1 ♣ | 1 ♠1 | 2 ♥ | |
4 ♠2 | 5 ♥ | Pass | Pass |
Pass |
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5 ♥ by South |
Our first deal sees an overcall topple the opening side overboard - a common eventuality. West led the ace of spades against 5 ♥, and promptly switched to a diamond - a look at dummy made this obvious. Dummy played low so East won the queen and cashed the ace. Down one.
Lest you think that N-S erred, E-W would actually have made 4 ♠ - with just 13 points. Say the defence cash a top heart, then play three top clubs, forcing dummy to ruff (South discarding a heart). Finesse the queen of diamonds, cash the ace, run the queen of trumps (not covered) and lead a low trump to the nine. Ruff a third diamond, cross to the ace of trumps (felling South’s king) and run established diamonds.