Dodatkowe przykłady dopasowywane są do haseł w zautomatyzowany sposób - nie gwarantujemy ich poprawności.
Since that time, the older rules of circular chess have become far better known.
One of the major differences between orthodox and circular chess in practice is in the opening.
Circular chess is a lot harder to play than square chess.
One set of rules for medieval circular chess is from the Persian author Amuli (1325).
Circular chess: played on a circular board consisting of four rings, each of sixteen squares.
Circular Chess Software (Windows 3.
The "basic mates" in circular chess are thus those with king and queen, king, rook and minor piece or king and three minor pieces against a lone king.
Howell won the tournament, scoring a maximum 5 points after beating Bowers in the final round, although he commented afterwards "This is the first time I have played in a circular chess contest and it was difficult.
Documents in the British Library and elsewhere suggest that circular chess was played in Persia as early as the 10th century AD, and further references are found in India, Persia, and, later, Europe.
In this version, called shatranj al-muddawara (circular chess) or shatranj al-Rûmîya (Roman or Byzantine chess), the game uses a board with four concentric rings, each split into 16 spaces, for a total of 64 spaces.
According to Bill Wall, in 947 in a history of chess in India and Persia, the Arabic historian Ali al-Masudi described six different variants of chess, including astrological chess, circular chess and cylinder chess.
Most textbooks on orthodox chess assign the pieces relative values of 9 points for a queen, 5 for a rook, 3 for a bishop or knight, and 1 for a pawn; although no attempt has been made to assign specific values for circular chess, it is certain that the same values do not hold.
After experimenting with various possible layouts for the game, Reynolds decided on that pictured above, constructed a board and introduced the game to other players in Lincoln; it caught on, and in 1996, the Circular Chess Society was formed, with the aim of popularising circular chess, primarily by organising a tournament.