Takeout Doubles

Board 1
North Deals
None Vul
♠A K Q 10 7
♥10 5
♦J 2
♣A 8 5 3
♠8 6 4 2
♥Q 9 7 6
♦K 5 4
♣Q 2
N
WE
S
♠5
♥A J 8 4
♦A Q 10 7
♣K 7 6 4
♠J 9 3
♥K 3 2
♦9 8 6 3
♣J 10 9
WestNorthEastSouth
 1♠DblPass
2♥All pass  
2♥ by West

East has a perfect takeout double - support for all unbid suits. West has a poor hand so bids hearts at the lowest possible level. Lead is ♣ 4 against a spade contract and ♠ A against a heart contract. Play the hand twice: once in 2 ♥ by West then in 2 ♠ by North.