How Contract Bridge Works
This guide explains the essential roles and rules in contract bridge in plain English. It is focused on what happens at the table, in order, so the game feels clear instead of overwhelming.
Bridge in one sentence
You and partner bid to a contract. Then one side tries to make that contract, and the other side tries to beat it.
Bidding: what happens
At the start of each board, all four players bid in turn.
- The final bid sets the contract.
- The contract says how many tricks that side must win.
- The contract also sets the strain (a suit or notrump).
The partnership that wins the auction becomes the declaring side.
Declarer: definition
Declarer is the player from the winning partnership who first mentioned the final contract suit (or notrump) during the auction.
Declarer's job is to play both their own hand and dummy's hand, then make at least the promised number of tricks.
Dummy: definition
Dummy is declarer's partner. After the opening lead, dummy's cards are placed face up on the table.
Important: dummy does not choose cards. Declarer chooses what card dummy plays.
Defenders: definition
The two players on the other partnership are the defenders.
Defenders work together. They do not need to beat partner's winning card. The goal is to beat the contract as a partnership.
Order of play
Cards are played clockwise around the table.
Each trick has four cards:
- One player leads a card.
- The next three players each play one card clockwise.
- The winning card takes the trick.
Who leads next?
Whoever won the trick leads first to the next trick, and can lead any suit.
Highest card wins the trick
If no trump is played in the trick, the highest card in the suit led wins.
Example: hearts are led; cards played are 5, Q, 2, K of hearts. The king wins the trick.
Follow-suit rule
If you have a card in the suit that was led, you must play that suit.
You can only play a different suit if you have none left in the suit led.
Trumping: how it works
If the contract has a trump suit, trumps beat cards from other suits.
You can trump when a non-trump suit is led and you have no cards left in that led suit.
If multiple trumps are played in one trick, the highest trump wins that trick.
If a trump is led, all players must follow with trump if they have one. If they have none, they may play any card.
Notrump contracts
If the contract is notrump (NT), there is no trump suit. Every trick is won by the highest card in the suit led.
End of hand: scoring the result
There are 13 total tricks in each board.
At the end, count how many tricks declarer's side won and how many tricks defenders won.
If declarer's side reached the target from the contract, the contract made. If not, the contract is down.
Partnership mindset
As defenders, think as a pair. You are cooperating to beat the contract.
As declarer side, declarer and dummy also cooperate. Declarer controls both hands and should choose the best combined line, not compete against dummy's card.
Common mistakes
- Forgetting to follow suit.
- Playing too fast before checking the led suit.
- Treating dummy as a separate decision-maker.
- Defending as individuals instead of as partners.
Quick checklist each trick
- What suit was led?
- Do I have that suit?
- If not, in a trump contract, should I trump?
- Who is currently winning this trick?
That short pause prevents a lot of avoidable errors.
Final takeaway
If you keep the roles and rules clear (bidding, declarer, dummy, clockwise play, follow suit, trump logic, winner leads next), bridge becomes much easier to learn and play confidently.