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If there are not enough points remaining on the table for a player to potentially win the frame, that player may offer to concede the frame while at the table (but not while their opponent is still at the table); a frame concession is a common occurrence in professional snooker. While pool tables are common to many pubs, snooker tends to be played either in private settings or in public snooker halls. Points in snooker are gained from potting the object balls in the correct sequence. The latter is a common foul committed when a player fails to escape from a "snooker", where the previous player has left the cue ball positioned such that no legal ball can be struck directly in a straight line without being wholly or partially obstructed by an illegal ball. Failure to make contact with a red ball constitutes a foul, which results in penalty points being awarded to the opponent. Penalty points are awarded to a player when their opponent commits a foul.

At the start of each player's turn, the objective is to first pot a red ball, unless all reds are off the table or the player has been awarded a free ball, which allows them to nominate another object ball in place of a red. All points scored in the break before the foul occurred are awarded to the striker, but no points are scored for any ball pocketed during the foul shot. At the start of the game, the red balls are racked into a tightly packed equilateral triangle, and the colours are positioned at designated spots on the table. The process of alternately potting reds and colours continues until the striker fails to pot the desired object ball or commits a foul-at which point the opponent comes to the table to start the next turn-or when there are no red balls remaining in play. While there are "table-top" and smaller pool tables, anything less than 6 feet makes playing pool difficult. The regulation size for a pool table is typically considered to be 9 feet long by 4.5 feet wide. 10 ft × 5 ft (305 cm × 152 cm), 9 ft × 4.5 ft (274 cm × 137 cm), 8 ft × 4 ft (244 cm × 122 cm), and 6 ft × 3 ft (183 cm × 91 cm).

A player wins a frame by scoring more points than their opponent. When the final ball is potted, the player who has accumulated the most points wins the frame. Professional and competitive amateur matches are officiated by a referee who is charged with ensuring the proper conduct of players and making decisions "in the interests of fair play". A break of 100 points or more is referred to as a century break; these are recorded over the career of a professional player. Of course systems are growing every year and machines ship with more and more ram, which also goes for the smallest machines. Because resources in an elastic pool are finite, setting min DTUs per database to a value greater than 0 implicitly limits resource utilization by each database. One drawback of using a full-size table is the amount of space required to accommodate it, which limits the locations where the game can easily be played. A note about oid/currval/nextval: Ignore older documentation if you're using a recent version of pg. Some leagues and tournaments using the World Standardized Rules may allow smaller sizes, down to 7 by 3.5 ft (2.1 by 1.1 m).

In the 2022-23 season, only two professional ranking tournaments were played outside the UK, the European Masters in Fürth and the German Masters in Berlin, while lucrative Chinese events remained off the calendar. These dimensions ensure a consistent playing experience in professional tournaments. 202 officially confirmed maximum breaks achieved in professional competition. During the COVID-19 pandemic, the professional tour was confined to events played within the United Kingdom and Ireland. Points accumulated by potting successive object balls are called a "break" (see Scoring below). This can occur for various reasons, such as sending the cue ball into a pocket or failing to hit the object ball. At the start of a frame, the object balls are positioned on the table as shown in illustration A. Starting with the cue ball in the "D", the first player executes a break-off shot by striking the cue ball with the tip of their cue, aiming to hit any of the red balls in the triangular pack. If the scores are equal when all object balls have been potted, the black is used as a tiebreaker in a situation called a "re-spotted black". A traditional snooker scoreboard resembles an abacus and records the points scored by each player for the current frame in units and twenties, as well as the frame scores.

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