Draw lots to decide who will eat.

Twice, 10 got 5, 5 got 3, 1, 3 got 2, 1, and was not among the champions.

1. Before the game starts, the arrangement of the two pieces on the chessboard is as shown on the right.

2. In the game, the player who comes out in red first moves, and both sides take turns to take one step.

3. It's the turn of the chess player to move the chess pieces from one intersection to another, or to eat the opponent's chess pieces and occupy their intersections, which is considered as a move.

4. Each side takes a step, which is called a round.

5. When playing chess, if there is an opponent's piece in the position where your own piece can walk, you can eat the opponent's piece and occupy that position.