Why this is necessary
A published game with an institution behind it has one correct answer to any rules question. Call Bridge has none, because it spread by being taught in person rather than by being written down. Two people who each learned from a relative can play for years believing they know the rules, and both be right, and still disagree irreconcilably the first time they sit at the same table.
The disagreements are not random. They cluster tightly around a dozen points where the game genuinely underdetermines what should happen, and every one of them can be settled in a few seconds before the deal. What follows is that list, with what each choice does to the game so you can pick rather than default.
The twelve rules that vary
With the common options and what each one does.
1. Is Round 1 played open?
Options: Round 1 is open — no bidding, every trick scores +1. Or bidding starts immediately from Round 1.
An open first round gives everyone a low-stakes look at how the table plays before real commitments begin, and it guarantees that nobody starts in a hole. Bidding from Round 1 makes the early game considerably more volatile and shortens the game.
2. The minimum call
Options: 2 is standard. Some tables allow 1.
Allowing 1 makes the call nearly risk-free, since almost any hand takes at least one trick. Cautious players park there permanently and the bidding phase loses its point. A minimum of 2 forces a real commitment on every hand.
3. The maximum call
Options: 13 (the full hand), or capped — commonly at 8.
Uncapped is the norm and the cap rarely matters, since calls above 8 are almost never justified. A cap exists mostly to stop a losing player from making a game-destroying lottery bid in the last round.
4. The double bonus threshold
Options: 6 is by far the most common. Some tables use 7; a few use 5.
This is the single most consequential setting. Lowering the threshold to 5 makes the game dramatically swingier, because a hand that qualifies for a doubled score arrives perhaps twice as often. Raising it to 7 makes comebacks much harder and rewards steady accumulation.
5. Does the bonus need an exact hit?
Options: The bonus applies if you meet or exceed your call. Or only if you hit it exactly.
Requiring an exact hit is far more punishing than it sounds, because the extra trick that ruins it is frequently forced on you. Most tables and most implementations use meet-or-exceed.
6. Is there an overtrick penalty?
Options: None — extra tricks simply score nothing. Or a penalty of −call if you take double your call or more.
Without a penalty, the dominant strategy at a cautious table is to call low and coast. With one, calling 2 becomes genuinely risky, since 4 tricks on a hand averaging 3.25 is a routine outcome. This rule does more than any other to keep bidding honest.
7. Is trumping compulsory when void?
Options: Optional — play any card. Or compulsory — you must trump if you cannot follow suit.
Optional is standard and is much the better game: deciding whether a trick is worth a spade is one of the main skills available. Compulsory trumping also makes it nearly impossible to shed unwanted tricks after making your call, which interacts badly with the overtrick penalty.
8. Is overtrumping compulsory?
Options: No. Or yes — if a spade has been played and you hold a higher one, you must play it.
Rare, and usually only appears alongside compulsory trumping. It removes the remaining judgement from trump play almost entirely.
9. The spades-broken rule
Options: Spades cannot be led until a spade has been played on an earlier trick. Or spades may be led freely from trick one.
The restriction is close to universal and it exists for a reason: without it, a player with seven spades simply leads them out from the start and the round is over before it begins.
10. How the game ends
Options: A fixed number of rounds — usually 5. Or a points target — usually 30.
Fixed rounds gives a predictable running time and suits a break. A points target rewards consistency and produces a fairer winner, because one disastrous round does not necessarily end your chances, but the game can run long.
11. Tiebreakers
Options: Higher total wins. If still level, one extra open round decides it. Some tables instead award it to whoever hit the target first within the round.
12. Direction of play and dealing
Options: Anticlockwise is common in South Asia; clockwise elsewhere. The deal rotates in the same direction as play.
Substantively irrelevant, but worth stating once, because a mid-game correction is irritating and bidding order depends on it.
The pre-deal checklist
Read this out. It takes under a minute.
- ♠Is Round 1 open, or do we bid from the start?
- ♠Minimum call — 2 or 1?
- ♠Double bonus at 6, 7 or 5? Meet-or-exceed, or exact?
- ♠Overtrick penalty for taking double your call — yes or no?
- ♠Must you trump when void, or is it optional?
- ♠Five rounds, or first to 30?
- ♠What happens on a tie?
What this site uses
Any implementation has to pick, and it is only fair to state the picks explicitly rather than presenting them as “the rules”. These are ours.
| Rule | Our setting |
|---|---|
| Round 1 | Open — no bidding, +1 per trick |
| Minimum call | 2 |
| Maximum call | 13 |
| Double bonus | Calls of 6 or more, from Round 2 onward |
| Bonus condition | Meet or exceed your call |
| Overtrick penalty | Yes — take double your call or more and you score −call |
| Trumping when void | Optional |
| Leading spades | Only after spades are broken |
| Game ends | First to 30 points |
These are choices, not standards. A table that plays differently is not playing it wrong.
The two that most often surprise players arriving from other implementations are the overtrick penalty and the meet-or-exceed bonus condition. If you learned on an app that had neither, expect a call of 2 to be less safe than you are used to, and expect a call of 6 to survive an accidental seventh trick.
A note on playing with strangers
Online, the implementation settles every one of these questions for you, which is genuinely useful — nobody argues with the server. The cost is that a generation of players is learning one specific version and experiencing it as the game itself.
If you learned Call Bridge from software and then sit down at a physical table, the gap will show up within two rounds and it will feel like the other players are cheating. They are not. They learned a different legitimate version, and the fix is the same as it has always been: run the checklist before the deal.
Play the version above
Every setting listed in the table is what the game enforces, consistently, in single-player and multiplayer alike. Free in your browser, no download.
Play Free — No Sign-up Needed ↗Frequently asked questions
Which Call Bridge rules are the official ones?
There are none. Call Bridge is a folk game with no governing body, no canonical rulebook and no arbiter. Every version played by a real group of people is equally legitimate. This is why agreeing the variable rules before the first deal matters — you are not looking up the rules, you are creating them for that table.
What is the most common set of Call Bridge rules?
The most widespread combination is: Round 1 played open with no bidding, a minimum call of 2, a double bonus for calls of 6 or more, spades permanently trump with the "spades broken" restriction on leading them, optional rather than compulsory trumping, and a game ending either after five rounds or when someone reaches 30 points.
Should trumping be compulsory when you are void?
Most tables say no — you may trump or discard freely. Making it compulsory removes a large part of the game’s skill, because deciding whether a trick is worth a trump is one of the main judgement calls available. It also makes it much harder to avoid unwanted tricks once you have made your call.
Why do some tables penalise winning too many tricks?
To close an obvious loophole. Without an overtrick penalty, calling the minimum of 2 every round and then playing normally is a low-risk way to accumulate points, and a table of cautious players ends up with everyone calling 2 forever. Penalising a player who takes double their call forces people to bid something like their actual hand.
What happens if two players reach the target score in the same round?
The usual convention is that the higher total wins. If the totals are identical, most tables play one additional open round with no bidding, and whoever wins the most tricks takes the game. Agree this in advance — it comes up more often than people expect.