Notes

4 Player Chess
4 Player Chess is a family of chess variants played by four people at the same time and on a single board.

Each player includes a different color for their set of pieces, namely red, blue, yellow, and green. The game always starts with Red and follows in a clockwise order. Another difference of 4 Player Chess may be the board, which includes 160 squares because three extra ranks are put into each side.

The rules for regular chess mostly connect with these games, alongside additional regulations specific to each variant. In 4 Player Chess, Free-for-All and Teams are the two main variants. Players can also customize rules to add even more flavor with their games.

Rules Of Standard Free-For-All 4 Player Chess
One of the most prominent variants of 4 Player Chess is the Free-for-All game. As you can guess by its name, in this type of match, each one of the four players is battling alone against the other three.

During the game, a player is eliminated by resigning, being stalemated, checkmated, or if their time runs out.

When a player is checkmated or stalemated, all of their pieces become inactive and are grayed out. Capturing those pieces does not provide any points.

When a player resigns or runs out of time, their king remains alive and moves at random. Checkmating a king yields 20 points to the ball player whose delivers the mate, and stalemating it awards 10 points to each remaining active player.

If you have a draw by threefold repetition, insufficient material, or the 50-move rule, all active players receive 10 points each.


The game ends when three players are eliminated. Additionally, a casino game can end when just two players remain, and something of them is ahead on the scoreboard by 21 or more points. That player can claim victory by resigning and awarding the other player 20 points not enough to attain first place.

You should remember that in Free-for-All standard games, one cannot communicate with other players to become listed on forces. Doing so is prohibited and can allow chess 4 player to get banned. However, another 4 Player Chess variant called Diplomacy encourages this type of "unofficial" coordination.

Rules Of Standard Teams 4 Player Chess
As implied by teams in its name, this variant differs in play from Free-For-All. Teams are composed of two players each, who are always over the board from one another. Players cannot capture their teammate's pieces.

Since team play is essential in this variant, players must communicate with their partner to gain an advantage. Chess.com allows you for you yourself to share your opinions with a teammate by drawing arrows on the board. The in-game chat also enables you to send private messages on a team channel, therefore the opposing players have no idea what you are organizing.

Unlike in Free-for-All games, for Teams matches, pawns promote on the 11th rank. For standard Teams matches, underpromotion is also possible.

The goal of the overall game would be to checkmate one person in the opposing team. Stalemating causes the game to draw. Both only happen after the mated or stalemated player's turn to go is reached, so it is even possible to "escape" a pending checkmate by checkmating another player first. Have a look at this video of the 4 Player Chess Team Championship held here on Chess.com where it just happened.

The game may also end if a player runs out of time or resigns. In this case, the other team wins the match.

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