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Snooker is won by scoring more points than your opponent, but the game only makes sense once you understand the order of play: reds first, then colors. Once that sequence clicks, the rest of the game is much easier to follow.
If you are new to the game, the main things to watch are the break-off, what counts as the ball-on, and the difference between a simple foul and a foul-and-a-miss. If you are coming from other cue sports, the difference between billiards vs pool is worth keeping separate from snooker, because the scoring and legal-shot rules are not the same.
How a frame of snooker works
A standard frame starts with 15 reds and six colors. While reds are still on the table, the legal ball-on is a red. After you pot a red, you then play a color. Once all the reds are gone, the colors must be potted in order: yellow, green, brown, blue, pink, and black.
The opening shot is taken with the cue ball in the D, and the first legal contact must be with a red. On the break-off, the goal is not to pot a ball at random; the shot still has to obey the red-first rule.
Quick legality check before each shot
- Identify the ball-on. If reds remain, your first legal target is a red.
- Check the first contact. The cue ball must hit the ball-on first.
- See what was potted. On a red, you may pot one red or multiple reds on the same legal shot.
- Confirm the next stage. After a red, you are on a color; after all reds are gone, colors must be cleared in order.
- Watch for special cases. Touching ball, free ball, or a ball leaving the table can change the outcome.
| Situation | Legal or foul? | What usually happens |
|---|---|---|
| Hit a red first while reds are still on | Legal | You may continue if you pot a red and stay in position. |
| Hit a color first while reds are still on | Foul | Your opponent is awarded foul points and usually comes to the table next. |
| Pot a red and another red on the same shot | Legal | Both reds stay down if the shot was otherwise legal. |
| Pot a color when you were on a red | Foul | The color is usually re-spotted if the rules require it. |
| Fail to hit any ball-on | Foul | The foul is scored at the value of the ball-on or 4 points, whichever is higher. |
Common foul situations and what they cost
The most basic foul is simple: if you do not strike the required ball first, it is a foul. If you miss the object ball completely, that is still a foul, and the penalty is based on the ball-on or 4 points, whichever is higher. In standard scoring, that means a failed attempt at a black costs more than a failed attempt at a red.
Other common fouls include potting the cue ball, hitting the cue ball with something other than the tip during a legal stroke, or making illegal contact with an object ball before the shot is finished. If the cue ball or an object ball goes over the rail, what happens if a pool ball leaves the table depends on which ball left the cloth and whether it was potted legally or illegally.
If the cue ball is already touching the ball-on, the referee will call touching ball. In that case, you must play away from it cleanly. You do not get to nudge it repeatedly to create a better position.
Free ball explained in plain English
A free ball usually comes up after a foul leaves the incoming player snookered on the ball-on. In simple terms, that means the player cannot make a normal first contact on the required ball because another ball is in the way.
When a free ball is awarded, the player may nominate another ball as though it were the ball-on. This is one of the most misunderstood parts of the game, especially in casual discussion. A useful way to think about it is this: the free ball acts as a stand-in for the blocked ball, but it does not erase the real ball-on.
A common edge case is when both the nominated free ball and the true ball-on are potted. In practical rule discussions, the real ball-on is the one that counts as scored, while the nominated free ball is respotted. If the true ball-on was a red, the scoring outcome can be different, so this is one of those situations where league rules and referee interpretation matter.
Another point people often miss: cushions do not create a snooker on their own, and pocket jaws are not treated like ordinary ball obstructions. A red also cannot be used to snooker another red for free-ball purposes. Those details matter because they decide whether a free ball is actually available.
Foul, miss, and foul-and-a-miss are not the same thing
These terms get mixed together all the time, but they do different jobs:
- Foul: an illegal shot of any kind.
- Miss: the referee decides you did not make a reasonable attempt to hit the ball-on when it was possible to do so.
- Foul and a miss: both penalties apply, which can give the opponent a choice about how to continue.
That last one is important because the miss rule is not simply automatic every time you foul. A player can commit a foul without it becoming a miss, especially if the shot was extremely difficult or the referee judges that a clean hit was not realistically available.
At club level, the miss rule is often handled more loosely than it is in professional play. Some rooms do not use it at all, while others apply a house version. If you are playing away from a tournament table, it is worth agreeing on that before the frame starts.
The three-miss rule is another one that gets misquoted. It depends on the same position being repeated, not just three bad attempts in general. If the cue ball or object-ball layout changes, the count can reset.
Common mistakes that trip up beginners
- Thinking you must pot only one red at a time. On a legal red shot, multiple reds can drop.
- Playing a color while reds are still available and treating it like a normal shot.
- Assuming a cushion or pocket jaw always counts as a snooker obstruction.
- Mixing up a simple foul with a foul-and-a-miss.
- Forgetting that touching ball means you must play away cleanly.
- Assuming house rules match professional rules at every club table.
What club players often do differently from pro rules
Professional snooker is played with a strict referee and a formal rule set. Casual and club play is often more forgiving. The most common difference is the miss rule: some clubs use it exactly, some simplify it, and some ignore it for pace of play.
That is why it helps to separate the official logic of the game from the way a local room may run a frame. If you are unsure, ask before the break-off rather than after a disputed miss call.
History in one paragraph
Snooker developed from earlier cue sports and became a formal game in the early 20th century. It grew into a major competitive sport in Britain and later picked up a large international following, especially through televised tournaments and world championship play.
FAQ
Can you pot multiple reds on one shot?
Yes. If reds are the ball-on and you hit a red first, multiple reds can be potted legally on the same shot.
Can a red snooker another red for a free ball?
No. A red does not count as an obstruction for another red in that free-ball context.
Do cushions count as obstructions in snooker?
Not for the usual free-ball snooker test. Pocket jaws are also not treated like normal blocking balls.
What happens if no ball is hit at all?
It is still a foul. The penalty is based on the ball-on or 4 points, whichever is higher.
Once you know the red-to-color sequence and the difference between a foul, a miss, and a free ball, most snooker disputes become much easier to understand. The tricky parts are usually the edge cases, not the basics.