Chess for all: Open for business!

"Pawns, the chess pieces with the smallest functions, always encounter strong enemies and are slaughtered, with the smallest chance of survival, each costs 1 yuan/day; Rooks, horses, and cannons are constantly fighting outside all day. Although they are powerful, they may be designed and harmed by the other side, each costs 3 yuan/day; Bishops and guards always surround the main camp, the least likely to be lost, plus the linked tactics, their chance of survival is quite large, each costs 5 yuan/day; Kings and generals, I won't say much about them, if they disappear, the entire chess game disappears, each costs 10 yuan/day."

During the rental period, there will be a link on the piece pointing to the purchaser's site.