In August 1715. a battle for the fortress of Sinj ended in a Turkish defeat. Defenders of Sinj were convinced that Our Lady Mary gave them strenght for that glorious victory. The surviving defenders, in commemoration of their victory instituted the Alka tournament.

BLACK CHESSMEN:

PAWN - a squire of Alkar

ROOK - Kamièak tower, the fort of Sinj

BISHOP- alaj-caus (the Alkar's leader)

KNIGHT - Edek (the horse of  Mehmed pase Celica, Turkish leader)

QUEEN -the folk costume of Sinj

KING -the tournament master

WHITE CHESSMEN:

PAWN - Janissary

ROOK - Kamièak tower, the fort of Sin

BISHOP - Azap (Turkish border line soldier)

KNIGHT -Edek (the horse of  Mehmed pase Celica, Turkish leader)

QUEEN- sultana, the sultan's wife

KING -sultan