Listen to Dummy

Contract: 4♥️ by East

Lead: ♠️ T 

You win with Ace. Now what?

When you see dummy only chance 4 tricks you gonna get will be from black suits.

If you play spade back partner will have to play club and if K is with Declarer it won’t help.

However if we play small ♣️ we force declarer to guess ♣️ honors. 

This is what happened in Croatia vs Turkey match. After winning the lead with Ace of spades Nikica Sver play a small ♣️. 

Declarer, Sedat Aluf believing his opponent was capable enough to underlead from an Ace played the king making 12 tricks after a successful ♥️ finesse.