The document defines the initial positions of players on a soccer field using x and y coordinates. It specifies the positions of the goalkeeper at x=-50, y=0 and 5 defenders ranging from x=-30, y=-20 to x=-30, y=20. It also specifies the positions of 3 midfielders ranging from x=-20, y=0 to x=-10, y=20 and 2 forwards at x=0, y=-10 and x=0, y=10. Each player is also assigned a maximum stamina value represented by the variable "tope".