Dominoes Strategy Guide

Play Doubles Early

Doubles are the hardest tiles to play because both halves show the same number. You can only play a double when that number is an open end. Play your doubles as soon as you can — getting stuck with a high double (like 6-6) at the end of a round costs you 12 points if you lose.

Count What's Been Played

There are exactly 7 tiles containing each pip value (0 through 6). By tracking which tiles have been played, you can deduce what your opponent likely holds. If six tiles with a '4' have been played, your opponent almost certainly can't play on a 4-end. This is the most important skill in competitive dominoes.

Blocking Strategy

The Block variant's name comes from the key strategy — blocking your opponent from playing:

• Play tiles that leave open ends your opponent can't match. If they've been passing when 3s are open, keep leaving 3s.
• Control both ends when possible — if you have many tiles of one number, try to make both open ends that number.
• Force your opponent to pass repeatedly while you play out your hand.

Keep a Diverse Hand

Try to keep tiles with different pip values in your hand. If all your remaining tiles have 2s and 5s, and neither end shows those numbers, you're stuck. A diverse hand means you'll almost always have a playable tile. Avoid playing all your tiles of one number early — save at least one to maintain flexibility.

Endgame Tactics

As the round progresses and hands get smaller, the game becomes more tactical:

• Count your remaining pip total vs your opponent's likely total. If you're ahead, try to end the round quickly. If behind, try to play on and reduce your pip count.
• Play your highest pip tiles first (when you have a choice) to minimize your score if the round is blocked.
• With 2-3 tiles left, think several moves ahead. Can you force your opponent to pass while you go out?

Common Mistakes

1. Holding doubles too long — they become liabilities as the round progresses and matching opportunities decrease.
2. Not tracking played tiles — this is free information that tells you exactly what your opponent can and can't play.
3. Playing your only tile of a number — if that number becomes an open end later, you'll have to pass.
4. Ignoring your pip count — in a blocked game, the player with fewer pips wins. Always know your total.