At the start of bottle pool, the shake bottle is placed inverted (neck down) on the center spot at the geographic center of the bed of a pool table. The two object balls used are the 1 ball and the 2 ball. Viewed from the racker’s vantage point, the 1 ball is frozen to the diamond on the foot rail immediately adjacent to the right corner pocket, and the 2 ball to the diamond on the foot rail immediately adjacent to the left corner pocket.
The player breaking starts with cue ball in hand from the kitchen (behind the head string) and must contact either of the two object balls in order to complete a legal break. The object of the game is to score exactly 31 points before any opponents, with a draconian penalty for overshooting that benchmark.
Points are scored in bottle pool in the following ways:
- Pocketing the 1 ball scores 1 point;
- Pocketing the 2 ball scores 2 points;
- Caroming the cue ball off both object balls scores 1 point;
- Caroming the cue ball off one or both object balls and then into the bottle knocking it onto its side scores 5 points;
- Caroming the cue ball off one or both object balls and then into the bottle knocking onto its base results in an automatic win.
All of the above scoring possibilities can be combined, meaning the maximum number of points available on a single stroke is nine, accomplished by caroming into and pocketing both object balls combined with knocking over the bottle with the cue ball. The winning shot in the game (other than one which rights the shake bottle) must bring a player’s score to exactly 31. If a player overshoots that benchmark, known as a “burst” in the game’s terminology, the amount of points 31 is overshot by becomes the player’s new score. This means, for example, that if a player has 30 points and then scores 5 points (instead of the requisite 1 point) by caroming the cue ball off an object ball and into the bottle knocking it on its side, the player’s score resets to four points.
When a player reaches exactly 31 points, he must announce this feat to all participants before the next player shoots a shot in order to be victorious. If this is not done, the player may not again invoke his winning score until his turn comes up again in rotation. If another player in the interim successfully scores exactly 31, and properly announces it, that player wins the game.
Any legally made scoring shot entitles a player to continue shooting. The penalty for a foul in the game is a loss of turn, any point scoring acts made on the same stroke are not counted, and 1 point is deducted from the player’s total score. The incoming player after a foul accepts the table in position except if the cue ball is jumped off the table or a scratch occurs, in which case the incoming player has ball-in-hand from the kitchen. Three consecutive fouls in bottle pool results in a loss of game.
In addition to standard fouls defined in the General Rules for Pocket Billiards, such as scratches, push shots, double hits and others, the following are specifically defined fouls peculiar to bottle pool: the cue ball fails to touch an object ball; the cue ball touches the bottle before contacting an object ball; the bottle is knocked over by an object ball; and an object ball is pocketed on the same stroke as an illegal shot. Illegal shots which are not fouls unless a ball is pocketed on the same stroke (thus resulting in a loss of turn, no score, but not a loss of points), include: causing an object ball to touch the bottle at all before the cue ball touches it (without knocking it over); and causing the bottle to go into a pocket or off the table as a result of action by the cue ball, after it has caromed off an object ball.
Montage showing how the shake bottle is righted upside down as close as possible to its knocked over resting position, as judged by the mouth of the bottle.
Whenever the shake bottle is knocked over it is immediately stood up open end down as close as possible to the position on the table at which it came to rest after being upset, as judged from the mouth of the bottle. When the shake bottle is knocked into a pocket, off the table, or where the open end of the bottle intrudes over a pocket opening such that it is impossible to replace it to its upset resting position, the shake bottle is replaced to the table’s center spot. If the center spot is occupied by any ball, then it is placed on the head spot. If both the center and head spots are occupied, then it is placed on the foot spot. If none of the listed spots are available then it remains off the table until such time as the center spot becomes unobstructed.
As in the games of snooker, English billiards, cowboy pool and others, pocketed balls are immediately respotted to their starting position. Where the second object ball, the cue ball or the bottle makes spotting the ball there impossible, it is spotted to the center spot. If the center spot is occupied, the ball is spotted to the head spot. Where both object balls have been potted on a shot, they are spotted with the same dictates for just one ball, first spotting the 1 ball, followed by the 2 ball. Thus, if the starting positions for the two object balls are each occupied, respectively by the cue ball and shake bottle, the 1 ball would be placed on the center spot and the 2 ball on the head spot.
The game is sometimes played with the larger and heavier (and unnumbered) carom billiard balls instead of pocket billiard balls. Such is the case at the Union Club and was also at the University of Michigan Billiards & Games Room, where the faculty devoted most of their time to bottle pool. Not incidentally three-cushion billiards, which uses these larger balls, was also a mainstay in that room and touring three-cushion professional Carl Conlon was a fixture there until his death in 1997. In this variation, a solid-yellow (or dotted) second cue ball is used in place of the 1 ball, and the red ball, known traditionally as the carombola, is used in place of the 2 ball. The use of such balls makes scoring by caroms easier, but makes pocketing balls (and scratching) more difficult because the larger balls must still be made in the ordinarily-sized pool pockets.
The rules promulgated by the Manhattan Athletic Club in the 1890s diverge in a number of ways from the modern rules published by the BCA (though they do use the numbered 1 and 2 balls, rather than carom billiards balls). Those house rules provide that when a player bursts, his score is set to zero rather than to the number of points 31 is overshot; pocketed object balls are replaced on the “red-ball spot” (the foot spot), or if occupied, frozen to the foot rail in the original position of the 1 ball and if occupied, of the 2 ball; and no foul rules whatever are proferred.
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