Cuneiform symbols evolved from clay tokens. The Royal Game of Ur board's grid mirrors the administrator symbol (SA). Board games likely developed from counting exercises using tokens on grids.
Key details:
- By 3,500 BCE, more complex token shapes and relationships to writing became apparent
- Cone-shaped tokens resemble early cuneiform symbol for silver (GI or NIDA)
- Cuneiform symbol for administrator (SA) contains grid pattern resembling abacus
- Royal Game of Ur board (from early third millennium BCE) discovered in Iraq by Leonard Woolley at Ur
- Rule book for Royal Game of Ur partially preserved on cuneiform tablet (dated to 177-176 BCE)
