Games of the World

Every cue sport shares three things: a cloth bed, cushions, and a ball struck with a tapered stick. Everything else — table size, pocket cut, ball diameter, scoring — is a dialect. Learn the dialects and you can walk into any room in the world and play.

The three great branches

• Pool (pocket billiards) — 2¼" balls, generous pockets, 7ft to 9ft tables. Home of 8-ball, 9-ball, 10-ball, straight pool and one-pocket.
• English billiards & snooker — 2 1/16" balls, rounded pocket jaws, 10ft and 12ft tables. Home of snooker, English 8-ball pool and blackball.
• Carom — no pockets at all. Three balls on a heated 10ft bed; you score by caroming off both other balls, often with a cushion requirement.

Why the equipment changes everything

Pockets on an American pool table accept a ball at a wide angle; snooker jaws are rounded and tight, so a ball that is a millimetre off centre rattles out. Snooker therefore rewards patience and safety play, while pool rewards pattern-running and cue-ball control at speed. Same stroke, different sport.

How the branches actually split

The family tree is older than any single national federation. English billiards, played on the same 12ft table as snooker, is the common ancestor of the pocketed rail game; snooker itself was invented by British army officers in India in 1875 as a way to combine billiards with a card-game-like colour hierarchy. American pool descends from an entirely separate lineage of shorter tables and larger balls designed for saloons where space was limited and speed of play mattered more than precision. Carom billiards, meanwhile, comes from an era before pockets existed on any table at all — European billiards through the 18th and 19th centuries was carom by default, and pockets were considered a novelty added later for popular halls.

Table and ball specifications across the branches

• American pool — table playing surfaces range from 7ft (bar box) to 9ft (tournament); balls are 2¼in (57.2mm) diameter, cast from phenolic resin, weighing about 170g each. Pockets are cut with a rounded "shark fin" opening roughly 4.5–5in wide at corners on a 9ft table.
• Snooker / English billiards — the standard table is 12ft x 6ft playing surface (there are 10ft "small" tables for home and some league use); balls are 2 1/16in (52.5mm), and pockets are famously tight — often barely a hair wider than two balls together — with rounded, unforgiving jaws.
• English pool / blackball — typically 6ft or 7ft tables, balls sized around 2in (50.8mm), smaller than American pool balls but larger than snooker balls, and pockets cut proportionally tighter than American tables.
• Carom (three-cushion, straight rail, balkline) — a 10ft table with no pockets at all, an unusually fast heated cloth, and three balls: two white cue balls (one marked with a spot for identification) and one red object ball, each roughly 61.5mm.

Governing bodies worth knowing

• WPA (World Pool-Billiard Association) — global body for pocket billiards disciplines including 8-ball, 9-ball, 10-ball and straight pool.
• WPBSA (World Professional Billiards and Snooker Association) — governs professional snooker and English billiards.
• EPA / WEPF — English Pool Association and World Eightball Pool Federation, governing blackball rules internationally.
• UMB (Union Mondiale de Billard) — the umbrella federation for carom disciplines worldwide.

Notable crossovers and players

Efren Reyes of the Philippines is the most cited example of a player fluent across disciplines, having won world titles and exhibition matches in 9-ball, straight pool, and one-pocket, and famously demonstrating trick-shot mastery that drew directly on carom-style cushion knowledge. Ronnie O'Sullivan, snooker's most dominant modern player, has spoken openly about how his cue-ball control on stun shots — learned purely from snooker's tight pockets — transferred directly when he played exhibition pool matches. In carom, players like Dick Jaspers and Frédéric Caudron are studied by pool players purely for cushion-angle intuition, since three-cushion carom demands the most exact geometric precision of any cue sport.

How skills transfer between branches

1. Snooker → pool. Precision cueing, stun control, and safety-first thinking transfer almost perfectly; pool players who spend a season on snooker tables report their long-potting percentage rising noticeably within weeks.
2. Pool → snooker. Confidence with position play and speed control transfers, but the tighter pockets punish any looseness in the final inch of the bridge hand — expect a painful adjustment period.
3. Carom → all pocket games. Nothing teaches rail geometry faster than three-cushion, because every single shot requires calculating multiple cushion contacts with no pocket to forgive a slight error.
4. Blackball/English pool → American pool. Break-building and cluster management transfer directly, since English pool's crowded 6ft tables force those skills constantly.

Treat the family tree as a training menu rather than a set of unrelated hobbies. A serious player who wants to peak in one discipline should still spend deliberate hours in at least one other branch every month — the cross-training effect is well documented across every major coaching program worldwide.

8-Ball

Fifteen balls: solids (1–7), stripes (9–15) and the black 8. The table is open after the break; the first legal pot assigns groups. Clear your group, then pot the 8 in any pocket. Potting the 8 early, or scratching on it, loses the game.

9-Ball

Nine balls in a diamond rack. The lowest ball on the table must always be struck first, but any ball may drop — so combinations and caroms are legal. Pot the 9 legally at any point and the rack is yours. Fouls give the opponent ball in hand anywhere.

10-Ball

The professional's answer to 9-ball: a triangle rack, called shots, and no slop. Same lowest-ball-first rule, far less luck. If you can run 10-ball, you can run anything.

Straight pool (14.1 continuous)

Call every ball; each pot is one point; races run to 100 or 150. When one ball remains, the other fourteen are re-racked and you break them open again from your position. The purest test of position play ever devised.

One-pocket and bank pool

• One-pocket — each player owns a single corner pocket; first to eight balls wins. A chess game with a cue.
• Bank pool — every pot must go in off at least one cushion first. Brutal, and the fastest way to learn rail systems.

Equipment and specifications

Tournament-standard American pool is played on 9ft tables (100in x 50in playing surface) with 2¼in balls, though 7ft and 8ft "bar box" tables dominate casual and league play worldwide. Pocket openings on a 9ft table run roughly 4.5–5in at the corners and 5–5.5in at the side pockets, with a rounded, forgiving cut compared to snooker. Cloth is typically a fast worsted wool blend; cue tips are usually 12–13mm, larger than the 8–9mm tips favoured in snooker, because American pool rewards power and spin over the pinpoint potting accuracy snooker demands.

8-Ball: scoring and fouls in detail

Groups (solids/stripes) are only assigned once a player legally pockets a called or obviously intended ball from an open table. Standard fouls include: failing to hit your own group first once assigned, pocketing the cue ball, driving no ball to a rail after contact, and jumping a ball off the table. Most rulesets under WPA and BCA (Billiard Congress of America) award ball-in-hand anywhere on the table for any foul. Winning by potting the 8 early, on the same stroke as your last group ball when not called, or off the break without also calling it, is an instant loss.

9-Ball: the diamond rack and race format

The rack is a diamond shape with the 1-ball on the foot spot and the 9-ball in the center. Matches are played as races to a set number of games (commonly 7, 9, 11, or 13 depending on event level). Because any ball may legally drop as long as the lowest numbered ball is struck first, combination shots on the 9-ball itself — sometimes off the break — are a constant tactical thread. The World Pool Championship, historically dominated by Filipino, European and now increasingly Chinese Taipei players, is the flagship 9-ball event.

10-Ball: precision over luck

10-ball strips out the "push-out" controversy of some rulesets and requires called shots on every ball, closing the door on lucky combinations counting by accident. The triangle rack (rather than diamond) reduces break-and-run frequency compared to 9-ball, producing longer, more tactical matches. Most top professionals now consider 10-ball the purer test of skill and it headlines several major tour events.

Straight pool (14.1 continuous): scoring and the re-rack

Each legally pocketed ball scores one point regardless of difficulty, so matches are races to a target score (100 for amateur play, historically 150 for the professional world championship format). When 14 balls have been pocketed and one remains on the table, the other fourteen are re-racked (leaving the final ball and the cue ball in position) and play continues, in principle allowing a single unbroken run of any length. Willie Mosconi's 526-ball exhibition run in 1954 remains the sport's most cited historical feat and illustrates why straight pool is considered the ultimate position-play discipline.

One-pocket and bank pool: tactical depth

• One-pocket — each player is assigned one of the two corner pockets at the foot of the table before the game begins; balls pocketed anywhere else do not count and are typically spotted back or left, depending on ruleset. First to legally pocket eight balls in their own pocket wins. Because both players share the same fifteen balls, denying your opponent's pocket is just as valuable as building toward your own.
• Bank pool — every scoring shot must be a bank (contacting at least one cushion before the pocket); typical race is to 8 balls. It is widely used by professionals as a deliberate practice discipline to sharpen diamond-system accuracy.

Notable American pool players

Efren Reyes, Earl Strickland, Shane Van Boening, and Jayson Shaw represent different eras and countries of dominance; the discipline has also seen a wave of top Filipino, European, and increasingly Chinese and Chinese Taipei players rise to world-championship level over the last two decades, reflecting the sport's genuinely global spread.

Skill transfer

Practising straight pool builds the position-play instincts that make 8-ball pattern-running effortless. One-pocket builds the safety and denial instincts crucial in tight matches of any discipline. Bank pool is the fastest route to mastering the diamond system used in every other cue sport's rail-based shots.

Walk into a British, Irish or Australian pub and the table is smaller (6ft or 7ft), the balls are unnumbered, and the groups are reds and yellows with a black to finish. Players often call this simply "black pool" — the game where the black ball decides everything.

Blackball (the codified version)

• Fifteen object balls: seven reds, seven yellows, one black.
• The break must send at least four balls to cushions, or two object balls plus the black.
• The table stays open until a player legally pots their first ball; groups are then set.
• A foul gives the opponent one visit with a free ball: they may nominate any ball as their own for the first contact.
• Clear your seven, then pot the black in any pocket to win.

Pub / WEPF English pool

• Traditionally a foul gives the opponent two shots — the classic pub penalty.
• The cue ball is usually replayed from where it lies, or from behind the baulk line in older house rules.
• Potting the black before clearing your group loses the frame outright.

Why it plays differently

Smaller table, tighter pockets relative to ball size, and no numbers to read means the game is about clusters and safety. Break-outs matter more than raw potting: on a 6ft table two of your balls are almost always in each other's way.

Table and ball specification detail

Standard blackball tables run 6ft or 7ft, with playing surfaces roughly 87in x 44in on a 7ft table. Balls are typically 2in (50.8mm) — smaller than American pool's 2¼in balls — with pockets cut tightly relative to that smaller ball size, often described as playing "tighter than they look" to visitors from American pool. Cloth is usually a faster, shorter-nap material than American tables, and cushions tend to be livelier, so bank and kick shots behave noticeably differently than on a 9ft American table.

Blackball rules in full

• Fifteen object balls: seven reds, seven yellows and one black, plus the cue ball.
• A legal break requires the breaker to either pot a ball, or drive at least four object balls (or two object balls plus the black) to contact a cushion; failing this is a foul and hands the incoming player two visits or ball in hand depending on the exact ruleset in force.
• The table remains open until a player legally pockets a ball of one colour on a non-foul shot, at which point groups lock in for the remainder of the frame.
• Standard fouls include: missing your own ball entirely, potting an opponent's ball without also potting your own on the same shot, potting the cue ball, and playing a shot with the cue ball touching another ball without calling it a touching-ball shot.
• A foul grants the opponent one visit and a free ball, letting them treat any ball on the table as if it were legally their own for the next contact only.
• The black must be nominated for a pocket and potted only after the full group of seven is cleared; potting it early, or in the wrong pocket, loses the frame instantly.

WEPF and pub-rules English pool

WEPF (World Eightball Pool Federation) tournament rules broadly mirror blackball with minor differences in respotting and foul penalties, while traditional pub leagues across Britain and Ireland often still use the older "two shots on a foul" penalty, where any foul grants the opponent two full consecutive shots rather than a single free-ball visit. House rules vary enough between pubs that experienced players always confirm the local variant before racking.

Scoring format and match structure

Matches are played frame by frame, typically races to 5 or 7 frames in league play and up to 11 or more at national level. Team formats (common in UK pub leagues) see eight players per side each playing a single frame, with the overall match won by total frames.

Notable competitions and players

The WEPF World Championships and the English Blackball Association's national events are the discipline's highest-profile competitions. English pool draws heavily from the same UK and Commonwealth talent pool as snooker, and many players cross over between the two disciplines at amateur level given the shared cushion and pocket characteristics.

Why break-outs and clusters dominate strategy

On a 6ft table with fifteen balls plus the cue ball, the physical density of balls per square foot is roughly double that of a 9ft American table. This means clusters form on almost every break, and top blackball players spend a disproportionate amount of practice time on deliberate break-out shots — soft, precise separations that free a trapped ball without disturbing the rest of the pack or handing away position.

Skill transfer

English pool sharpens break-building and safety play under crowded conditions faster than any other discipline, because the table simply does not allow sloppy position play to go unpunished. Players who train seriously in blackball often find American pool's more open 9ft tables feel spacious and forgiving by comparison.

Snooker is played on a 12ft table with 21 object balls: fifteen reds worth one point each, and six colours — yellow (2), green (3), brown (4), blue (5), pink (6) and black (7). You do not race to clear the table; you race to out-score.

The sequence

• Pot a red (1 point), then nominate and pot any colour, which is respotted.
• Keep alternating red–colour–red–colour for as long as you keep potting.
• When the last red is gone, the colours are cleared in ascending order: yellow, green, brown, blue, pink, black — and they stay down.
• Highest score when the black is potted wins the frame.

Fouls and snookers

• A foul awards the opponent at least 4 points, or the value of the ball involved if higher.
• A snooker is a position where no direct straight line exists from cue ball to any legal ball. Laying snookers is how frames are won from behind.
• Maximum break: 15 reds with 15 blacks, then all colours = 147.

What snooker teaches a pool player

Straight cueing under pressure, and the habit of asking "where does the cue ball finish?" before every shot. Six weeks on a snooker table will do more for your 8-ball than six months of firing racks open.

Table and equipment specification

A full-size snooker table measures 12ft x 6ft (playing surface roughly 11ft 8.5in x 5ft 10in), by far the largest table in mainstream cue sports. Balls are 52.5mm — noticeably smaller than American pool balls — and pockets are famously unforgiving: corner pockets on a top-quality match table can be barely wider than two balls placed side by side, with rounded jaws that punish even small errors in contact-point accuracy. Cues typically carry smaller tips, 8–10mm, to allow the finer cue-ball control the tight pockets demand.

Detailed scoring sequence

1. The frame opens with all 15 reds racked in a triangle behind the pink, and the six colours on their designated spots.
2. The player at the table must pot a red first (worth 1 point), then nominate a colour.
3. Once potted, the nominated colour is respotted on its own spot (or the nearest available spot if occupied), and the player must return to potting a red.
4. This red-colour-red-colour sequence continues for as long as the player keeps potting successfully.
5. When the final red is off the table (and any colour potted alongside it has been respotted), the six colours must be potted in strict ascending order: yellow (2), green (3), brown (4), blue (5), pink (6), black (7) — and these do not get respotted; the frame ends when the black is potted or conceded.

Fouls and penalty values

• Any foul awards the opponent a minimum of 4 points, or the value of the highest ball involved in the foul if greater (for example, fouling on the black awards 7).
• Common fouls: potting the cue ball, striking the wrong ball first (e.g., a colour when a red was required), failing to hit any ball, and driving a ball off the table.
• After certain fouls, the opponent may request the offending player to play the shot again from the same position — a "free ball" concession applies if the foul also leaves them snookered.

Snookers, safety exchanges and match tactics

A snooker is any position where a direct straight line does not exist from the cue ball to any currently legal ball. Laying a deliberate snooker is one of the discipline's central tactics — professional matches are frequently decided by a sequence of escape attempts near the end of a frame where the trailing player needs snookers to have any chance of catching up. The "safety exchange", where both players trade low-risk, low-reward shots designed purely to leave the other player with no pot, can last a dozen shots or more in elite matches.

The maximum break and its history

A maximum break of 147 requires potting all 15 reds each paired with the black (15 x 8 = 120), followed by the six colours in order (2+3+4+5+6+7 = 27), for a total of 147 — the highest score possible in a standard frame. Certified maximums have been achieved by numerous professionals; Ronnie O'Sullivan holds the record for the fastest officially ratified 147, completed in five minutes and eight seconds at the 1997 World Championship.

Governing bodies, tours and notable players

The WPBSA oversees the professional game, and the World Snooker Tour runs the calendar of ranking events culminating in the World Championship at the Crucible Theatre in Sheffield. Historic and current greats include Joe Davis (the sport's first dominant champion), Steve Davis, Stephen Hendry (seven world titles), and Ronnie O'Sullivan (widely regarded as the most naturally talented player in the sport's history, with the most ranking titles of the modern era).

What snooker teaches a pool player, in depth

Beyond the general cueing precision mentioned elsewhere, snooker forces players to think in terms of angle sequences several shots ahead, because the tight pockets punish any pot attempted purely on instinct. Pool players who commit to a season of dedicated snooker practice typically report the largest single gain in their long, straight potting — the shot type most punished by loose fundamentals — along with a marked improvement in their ability to construct safety plans rather than simply hoping to escape trouble.

• Six-red snooker — snooker with six reds instead of fifteen. Fast, attacking, television-friendly.
• Chinese 8-ball — 8-ball rules, snooker-sized table and cloth, American balls. The hardest hybrid in the sport, and hugely popular in Asia.
• Russian pyramid — a 12ft table with 68mm balls barely smaller than the pockets. Any ball can be the cue ball. Precision measured in fractions of a millimetre.
• Three-cushion carom — no pockets: your cue ball must touch both object balls and three or more cushions. The deepest understanding of angles in any cue sport.
• Blackball singles & scotch doubles — the tournament formats you will meet in league play across Europe.

Six-red snooker in depth

Six-red snooker uses only six reds instead of the standard fifteen, with the same six colours, producing frames that typically finish in under twenty minutes rather than the hour or more a full-size frame can take. It was formally adopted by the sport's governing bodies as a promotional and televised format because the shorter frame length and higher-frequency scoring make it more spectator-friendly, and the World Six-red Championship has become an established fixture on the calendar, drawing a wide field of professional and rising talent from Asia and Europe in particular.

Chinese 8-ball in depth

Chinese 8-ball (sometimes called "Chinese pool") is played on a table close to snooker size, with unusually tight pockets relative to the American-style numbered ball set used. The combination is considered brutally difficult: the larger table increases the distance and angle range of every shot, while the tight pockets punish any imprecision the way snooker does. It has exploded in popularity across mainland China, where the CBSA (China Billiard & Snooker Association) and CPBSA run major domestic tours with significant prize funds, and it is increasingly appearing at international 8-ball events as a specialist discipline in its own right.

Russian pyramid in depth

Russian pyramid is played on a 12ft table with balls around 68mm in diameter — dramatically larger relative to the pocket openings than any other cue sport, since the pockets are barely wider than the ball itself. Any ball, including the numbered object balls, may serve as the cue ball depending on the specific pyramid variant being played (free pyramid, dynamic pyramid, and combined pyramid are the three internationally recognised disciplines). The margin for error is measured in single millimetres, and the discipline is considered by many carom and pool professionals who have tried it to be the single hardest potting challenge in cue sports.

Three-cushion carom in depth

Three-cushion carom is played with two cue balls (one marked) and one red object ball on a pocketless 10ft table with a fast, heated cloth bed. To score a point, the player's cue ball must contact both other balls, but only after (or while) it has also contacted at least three cushions during that same shot. There is no margin for approximate execution: every shot is calculated using diamond-based angle systems, and elite players can compute multi-cushion paths that most pool players would consider unimaginable. The UMB (Union Mondiale de Billard) governs the World Three-Cushion Championship, historically dominated by players from Belgium, the Netherlands, Turkey, Korea and Egypt.

Blackball singles and scotch doubles formats

Beyond standard singles frames, league and tournament blackball features scotch doubles (two-player teams alternating shots on a single ball set, requiring tight partner communication about pattern and safety choices) and team formats where the outcome of an entire match depends on aggregate frames won across eight or more individual singles matches — a structure borrowed directly from darts and snooker team leagues in the UK.

How each variant sharpens a specific skill

• Six-red — attacking decision-making under time pressure, since fewer balls mean fewer safe options.
• Chinese 8-ball — combines snooker precision with pool pattern-reading in a single discipline, ideal cross-training for players who want both skill sets at once.
• Russian pyramid — the single best way to develop pinpoint contact-point accuracy, since the pocket geometry leaves zero room for approximation.
• Three-cushion carom — unmatched for developing multi-cushion angle calculation, transferring directly to bank pool and kick-shot accuracy in any pocket game.

Every discipline trains a different muscle. Rotate between them deliberately instead of playing the same rack forever.

• Potting accuracy → snooker, Russian pyramid.
• Cue-ball position → straight pool, 9-ball.
• Pattern reading → 8-ball, blackball.
• Safety and tactics → one-pocket, snooker.
• Rail systems → bank pool, three-cushion.

In MASTER POOL AI you can play 8-ball, 9-ball, blackball, English pool and snooker on the same physics table — practise a discipline in the Play section, then bring what it taught you back to your main game.

Building a rotation that actually improves your main game

Choosing disciplines at random wastes time. The most effective approach mirrors how cross-training works in other sports: identify the specific weakness in your primary game, then choose the discipline whose rules mechanically force you to fix it, because you cannot win at all without doing so.

A sample eight-week rotation

1. Weeks 1–2, Russian pyramid or snooker — rebuild raw potting precision on tight pockets before anything else; sloppy contact points will not survive either discipline.
2. Weeks 3–4, straight pool — once potting is sharp, straight pool forces you to plan position two and three balls ahead for a genuine break-building habit.
3. Weeks 5–6, one-pocket or English pool — introduce denial and safety thinking; both disciplines punish players who only know how to attack.
4. Weeks 7–8, bank pool or three-cushion carom — finish the cycle by forcing rail-system fluency, the single most commonly neglected skill among self-taught players.

Matching disciplines to specific technical faults

• You cut balls short or long inconsistently → Russian pyramid or snooker; the tight pockets make contact-point error immediately visible.
• You lose position after two or three balls → straight pool; the continuous scoring format punishes any drift in cue-ball planning.
• You panic when snookered or blocked → competitive snooker or one-pocket; both disciplines make you play safety-first opponents constantly.
• You avoid bank and kick shots → bank pool or three-cushion carom, where every shot is effectively a forced rail calculation.
• You struggle with break-building in crowded racks → English pool / blackball on a 6ft table, where clusters are unavoidable.

How professionals actually cross-train

Efren Reyes has spoken about how carom-influenced touch shaped his uniquely soft cue-ball control in 9-ball and one-pocket. Several modern snooker professionals have played exhibition matches on American pool tables specifically to loosen their approach to aggressive break-building, since snooker rarely rewards that instinct. Chinese and Chinese Taipei players who dominate current 9-ball and 10-ball rankings frequently credit early training on Chinese 8-ball's combined table-and-pocket difficulty for their exceptional long-potting consistency.

Practical scheduling advice

If access to other disciplines and tables is limited, even simulating the constraint helps: practise straight pool position rules on an ordinary pool table, or set up snooker-style tight-pocket drills using chalk marks to simulate a narrower pocket mouth on a standard table. The goal of cross-training is not mastering every discipline for its own sake — it is borrowing each discipline's built-in punishment for a specific flaw, then bringing the corrected habit back to the game you actually compete in.