1. You are West leading against 3NT. If you are going to lead a spade, which spade do you lead?
From a suit not headed by a sequence you should fourth best. In this case the 7. 2. You are West leading against 4. If you are going to lead a heart, which heart do you lead?
This heart suit is an example of a suit headed by an interior sequence. Lead the top of the interior, the 10. 3. You are West leading against 3NT. If you are going to lead a diamond, which diamond do you lead?
This suit is not headed by a sequence. Lead fourth best, the 5. 4. You are West leading against 3NT. If you are going to lead a spade, which spade do you lead?
Another suit with an interior sequence. Lead the top of the interior, the J. 5. You are West leading against 4. If you are going to lead a diamond, which diamond do you lead?
When leading partner's bid suit you must lead the ace if you hold it. Lead the A. 6. You are West leading against 3NT. You are definitely leading a club, but which one?
The lead of an ace against a no trump contract asks that partner unblock an honor if they hold one, and if not to give a count signal. You certainly would like to know where the Q is located. Lead the A. 7. Partner doubled 6. What do you lead?
A double of a slam contract asks for an unusual lead. The most likely case is a void in partner's hand. On this hand diamonds (a suit bid by the opponents) appears to be the right candidate. Your diamond length also confirms this fact. Lead your fourth best diamond, the 5. 8. The opponents settled into a 3 contract. What do you lead?
You should be able to see what is going to happen. Declarer is going to trump her losing hearts in the dummy. Those are your WINNING hearts. Lead a trump to reduce the trumping power of dummy. Lead the 3. 9. Partner overcalled 1, you raised to 3, and the opponents bid 4. What do you lead?
You have all the needed criteria to negotiate a club ruff. Lead the 9. You should be able to get back on lead with the A and put partner on lead with an diamond entry to get your ruff. Then the A will be the setting trick. 10. Your lead against a grand slam in no trump. What do you lead?
You know something that declarer does not. You know the club suit is not running. Lead a diamond through the expected diamond strength in the dummy. Perhaps you can declarer out of a diamond finesse before he knows he needs it. Lead the 8. 11. What do you lead against the opponents no trump game?
Another case for a fourth best lead from what is likely the longest and strongest suit in you and partner's hands combined. Lead the 5. 12. The opponents stayed out of game. What do you lead against 3?
The unbid major suit is always a good place to start, especially when headed by the A-K. Lead the A. 13. Even with your competition the opponents bid the 4. What do you lead?
When you hold four or more trump it is best to try to make declarer trump in the long hand (called the forcing game). Lead your long, not your short one. Lead the K. 14. Your side did not bid, but partner doubled 3NT. What do you lead?
The double of no trump by partner (when your side has not bid) asks you to lead dummy's first bid suit. Lead the 8. 15. The opponents decided on 6. What do you lead?
Partner's double of 5 was lead directive asking for a heart lead. Lead the 5. 16. Partner opened the bidding with 1 and opponents bid to 3NT. What do you lead?
Partner' s suit, partner's suit, partner's suit. With three to an honor lead low. Lead the 4. 17. What do you lead against 3NT?
You have 12 high card points and the opponents bid quickly to 3NT. Partner has at most a queen (if that). Make a passive lead and let declarer play to you. Anything else is likely to help declarer. A good passive lead is a three card suit headed by the jack-ten or ten-nine. Lead the J. 18. Partner passed your takeout double. What do you lead?
Dbl
When partner converts you takeout double to penalty it calls for a trump lead. Lead the 4. 19. What card do you lead against the opponents 4 contract?
Another example where the forcing game is indicated. The size of your four trumps should not disuade you. Lead your longest suit in an effort make declarer trump in the long hand. Lead the 4. 20. What do you lead against this 3NT contract?
Here is a case where leading partner's suit doers not make sense. Partner is unlikely to ever gain the lead. You have a strong suit headed by a strong sequence. Lead your suit. Lead the K.