Courier Chess, played on a 12 x 8 board, introduced.

Great Chess, played on a 100 square board, introduced.

Sully; the Bishop of Paris, Odo Sully, bans Chess from the clergy.

Morality of Chess according to Pope Innocent III (1160-1216) written.

Ferrand of Portugal hit his wife Jeanne over a game of Chess.

John; King John was playing Chess when his deputies from Rouen arrived to ask for his help against King Augustus.

Khan; Hulagu Khan, grandson of Genghis Khan, born.

Dice; Chess is no longer played with dice to determine moves.

Arabic manuscript (V)

Astronomical Chess introduced.

Icelandic St Olaf's Saga contains a Chess incident. First appearance of Chess in the Norse lands.

Forbid; Chess forbidden to the clergy in Worcester, England.

Al-Mustasim, Abbasid caliph, reigned.

Denmark; the King of Denmark was captured while playing Chess.

Louix; King Louis IX (1214-1270) receives a fine Chess set from Aladdin.

Mabinogion, Welsh epic, attains written form. Chess mentioned.

Vetula; Latin verse romance, the Vetula, by Richard de Fournival. Mentions Chess.

Cessole, Jacopo da, (Cessolis), born in Italy. Author of the most famous of Chess moralities.

John; 'The Innocent Morality' Chess allegory written by John of Wales.

08/16 Court case about a Chess player who stabbed his opponent to death.

St Louis IX of France restricts Chess to laymen.

05/08 France; Provincial Council of Beziers in France forbids Chess.

Arabic manuscript now in British museum (BM manuscript).

Abbasid; end of Abbasid caliphs.

Al-Mustasim put to death by invading Mongols.

Mongols sacked Baghdad.

Henry; King Henry III (1207-72) instructs the clergy to leave Chess alone.

Russian word for Chess (shakmatny) is introduced.

Quarrel over Chess game; man stabs woman to death.

Buzecca played two games blindfold, 1 OTB (+2=1) in Florence.

Khan; Hulagu Khan died.

Conradon was playing Chess in prison before being executed.

Dalmation; ruling dalmation towns of Yugoslavia was determined by a Chess match.

Cotton MS is the earliest English collection of Chess problems.

Cessole writes the most important of all moralities and most copied.

Pawn; option of Pawn double move on the first move introduced in Italy.

Chinese introduce new pieces to Chinese Chess (siang ki).

Alfonso manuscript completed. Compiled for Alfonso X, Castile King. Called 'Libro del Acedrex'.

Alfonso manuscript prescribed the use of a checkered board.

Dice Chess explained by King Alfonso X in his manuscript.

Lombard lawyer, Guido de Baysio, formulate rules to govern Chess.

Peckman; the Archbishop (VC) of Canterbury, John Peckman, forbids Chess.

Bonus Socius is first European MS using a coordinate notation.

Bonus Socius, first compilation of Chess problems, written in Lombardy.

Priests were forbidden from playing Chess.