Russian pyramid

Russian pyramid, also known as Russian billiard (Russian: ру́сский билья́рд, russky bilyard) or pyramid billiards, is a cue sport that has several differences from Western pool, although game play is still dominated by attempts to pocket (pot) billiard balls. It is played in Russia and also in countries of the former Soviet Union. A variant with colored balls modeled on those of Western pool is called Russian pool. Another variant, kaisa, is popular in Finland.

There are several variations of Russian pyramid. All games begin with fifteen numbered white balls racked in a pyramid pack, as in straight pool or eight-ball. Depending on the game variant some specific balls may have to be in specific positions within the rack. The first player firmly breaks the rack with the cue ball from just in front of (up-table of) the head string (baulk line). The three most common varieties are the following, each of which has slight local variations on the rules: http://www.wpa-pool.com/pdf/web/Official%20International%20IPC%20Rules.pdf

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