Antichess rules:

1. The goal is to lose all your pieces before your opponent.

2. Captures are mandatory. If you can capture, you cannot play another move type.

3. If a player has no legal moves, the winner is the one with the lower total material value on the board.

4. If you run out of time, you lose the match.

5. If you resign, you lose the match.

How points are calculated:

We use an Elo system. Each result updates both players based on the expected difficulty of the pairing.

Base formula:

Delta = K * (Actual result - Expected result)

On antichessgame.com right now:

1. K = 32

2. Elo scale = 400

3. If you win, you gain points; if you lose, you lose points.

Starting points:

Every new player starts with 400 points when creating an account.