How to Play Bridge: Rules and Bidding Conventions

Bridge is a four-player partnership trick-taking card game where the most interesting part — the bidding auction — happens before any card is played. Two pairs of partners compete first to win an auction for the right to set the trump suit, then to fulfill the contract their bid promised. It has a reputation for being intimidating, and it’s earned. But the rules are learnable in an evening, and the depth that opens up after that is what’s kept Bridge played in tournament halls and home games for a hundred years.

What you need

One standard 52-card deck. No jokers. Four players, paired into two partnerships. Partners sit across from each other at the table, traditionally labeled North-South versus East-West. A pen and paper for score, or a dedicated bridge scoresheet.

Cards rank from Ace (high) down to 2 (low) within each suit. Suits rank in bidding order: Clubs (lowest), Diamonds, Hearts, Spades (highest), and No Trump (highest of all). This bidding rank only matters during the auction — once trump is established, it works as in other trick-taking games.

The deal

Choose a dealer (cut for high card on the first hand, then rotate clockwise). The dealer shuffles, the player to the right cuts, and the dealer distributes all 52 cards one at a time clockwise. Each player ends with 13 cards. The full deck is dealt — no kitty.

The auction

The auction is where Bridge separates itself from every other trick-taking game. Starting with the dealer and going clockwise, each player makes one of three calls per turn: a bid, a pass, or a double (or redouble).

A bid is a promise to win a certain number of tricks with a chosen trump suit (or no trump). The minimum bid is “1 Club” — 7 tricks (6 + 1) with Clubs as trump. The maximum is “7 No Trump” — all 13 tricks with no trump. Each new bid must be higher than the previous one in the order 1C, 1D, 1H, 1S, 1NT, 2C, 2D, and so on up to 7NT.

The auction continues until three players pass in a row after a bid. The last bid becomes the contract. If all four players pass on the first round, the hand is “passed out” — redeal. A “double” of your opponents’ bid doubles scoring stakes both ways; a “redouble” quadruples them.

Bidding conventions (just the basics)

Bridge bidding is a language. Partners use bids to communicate hand strength using the “high card points” (HCP) system: Ace = 4, King = 3, Queen = 2, Jack = 1. A hand with 12-14 HCP is the conventional minimum to open. The most popular system is Standard American: 1 of a suit = 12-21 HCP with at least 3 cards in the suit (5 for Hearts or Spades); 1NT = 15-17 HCP balanced; 2 Clubs = 22+ HCP (forcing); weak two (2D, 2H, 2S) = 5-10 HCP with a six-card suit; pre-empt (3 of a suit or higher) = weak hand with a long suit. Beginners can skip conventions and just bid what they think they can make.

The play

After the auction ends, the player from the winning partnership who first bid the final trump suit becomes “declarer.” Their partner becomes “dummy.”

The player to the declarer’s left leads the first card (the “opening lead”), then the dummy lays their entire hand face-up on the table. From this point, the declarer plays both their own hand and the dummy’s hand, choosing each card. The dummy doesn’t make any decisions for the rest of the hand.

Each trick: leader plays a card; everyone else (clockwise) must follow suit if they can. If they can’t, they may play any card — including trump. The highest trump wins, or if no trump was played, the highest card of the suit led. The winner of the trick leads the next one. Continue until all 13 tricks are played.

Scoring

Scoring is the most intricate part of Bridge and the part most casual players ignore in detail. The basics:

If declarer makes the contract

Bid tricks beyond the 6 “book” tricks score per suit: Clubs/Diamonds = 20 each, Hearts/Spades = 30 each, NT = 40 for the first trick and 30 for subsequent. If trick points total 100+ (a “game”), declarer’s side earns a game bonus — which is why 3NT, 4H, 4S, 5C, and 5D are the standard game contracts. Small slam (6 of a suit) and grand slam (7 of a suit) earn 500-1000+ bonuses depending on vulnerability.

If declarer fails the contract

The opposing partnership earns “undertrick” penalties: 50 points per undertrick (vulnerable: 100). Doubled contracts increase penalties significantly.

Game length

“Rubber Bridge” plays best-of-three games. “Duplicate Bridge” (the tournament format) compares scores across tables playing the same cards. Casual home play is usually rubber.

Strategy basics

Bidding strategy

Count your HCP, plus distribution points (1 per doubleton, 3 per singleton, 5 per void). The partnership’s combined points determine the right contract: 25-26 for game, 33+ for small slam. Bid conservatively starting out — overbidding is the most common beginner mistake.

Declarer play and defense

Count winners and losers. Plan how to draw out trump from opponents or set up long suits for extra tricks. The “finesse” is the most-taught technique: leading toward a high card hoping the missing higher card is in a specific opponent’s hand. Defenders communicate through card play — the “high-low” signal (high then low in a suit) tells partner to lead that suit again. The opening lead matters enormously; against suit contracts, leading the top of a sequence or the fourth-best card from a long suit are standard.

Where to play Bridge

BridgeBase Online (BBO) is the largest free online Bridge platform — millions of players, free entry, hosted tournaments. Funbridge offers single-player AI Bridge with strong robots. The American Contract Bridge League (ACBL) hosts local clubs in most US cities and sanctioned tournaments.

For a low-stakes brain break between Bridge hands, the Chrome Dino game at the top of this site is the reflex-only counterweight to all this counting and conventions.

Frequently asked questions

What’s the difference between Bridge and Whist?

Whist is the older game and Bridge’s direct ancestor. Whist has no bidding — trump is set by the last dealt card. Bridge added the auction phase, the dummy hand, and the elaborate scoring system. Bridge is essentially Whist with a bidding language layered on top.

Why is one player called the “dummy”?

Because they lay their cards face-up and don’t make decisions for the rest of the hand. The term goes back to early forms of Bridge in the late 1800s. It’s not insulting; it’s the formal name of the role.

How long does a hand of Bridge take?

About 7-10 minutes per hand, including the auction. A typical Rubber Bridge session is 3-6 hands (35-60 minutes). Duplicate tournaments run dozens of hands and last several hours.

Can you play Bridge with three players?

Yes, with variants. “Cutthroat Bridge” and “Three-Hand Bridge” both use a dummy hand auctioned to one of the three players. The two-vs-one structure is less elegant than four-player partnership Bridge but works as a casual alternative.

What’s a “convention” in Bridge bidding?

A convention is an agreed meaning for a specific bid that goes beyond “I think I can make this many tricks.” Examples include Stayman (the 2C response to a 1NT opening, asking partner about their major suits) and Blackwood (the 4NT bid, asking partner how many Aces they hold). Conventions are how partnerships add precision to their bidding language.

The bottom line

Bridge is a game you can learn the rules of in 30 minutes and spend the next thirty years getting good at. The auction is the entry point — once you’ve internalized the bidding language with a regular partner, the game opens into one of the most strategic card formats ever designed. Start with the rules in this guide, find a regular foursome or a BBO account, and don’t worry about conventions until you’re comfortable with the basic mechanics.