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Master Chess Multiplayer is a straightforward, complete implementation of chess that runs in a browser tab. You can play against another person online, share a device for a two-player game, or take on the computer at a choice of difficulty levels. There is no account, no time limit unless you choose one, and no attempt to reinvent the rules.

It works in portrait and landscape, so a phone is perfectly usable, though a larger screen makes reading the board easier in complicated positions.

How to play Master Chess Multiplayer

Tap or click a piece to select it; the legal destinations are highlighted. Tap a highlighted square to move. The game enforces the rules for you, including castling, en passant and promotion, so an illegal move simply will not register. Check is announced, and the game ends on checkmate, stalemate or resignation.

If you are new to chess, the highlighting is the fastest way to learn how each piece moves: select a piece and look at where it can go before committing.

Getting better quickly

Three principles improve a beginner’s results more than any opening theory. First, develop your knights and bishops toward the centre in the opening rather than moving the same piece twice. Second, castle early; a king left in the centre is the cause of most short losses. Third, before every move, check what your opponent’s last move threatens — the majority of beginner blunders are pieces left hanging, not deep tactical oversights.

In the endgame, push passed pawns and bring your king forward. The king is a strong attacking piece once the queens are off the board, and leaving it in the corner is a common way to draw a won position.

Choosing an opponent

The computer’s easier settings make deliberate mistakes and are a reasonable place to practise a plan. The harder setting punishes loose play and is a better measure of whether a habit has stuck. Online play adds the element the computer cannot simulate: an opponent who is also managing their own time and nerves.

Master Chess FAQ

Can I play a friend on the same device?

Yes. Two-player mode passes the device between moves.

Is there a clock?

Timed modes are available; untimed play is the default, which suits learning.

Does it save an unfinished game?

The position lives in the browser tab. Closing it ends the game.

Use the board before using the clock

Master Chess Multiplayer shows legal destinations after a piece is selected, which makes it suitable for a careful first game on a phone or desktop. Before moving, look at what the opponent can capture next and whether your own king is exposed. The computer difficulty setting is useful for practising a new opening, while local or online play makes the same rules a slower tactical conversation with another person.

A simple checkmate threat is often easier to spot when the player first asks which squares the opposing king cannot use. The highlighted legal moves help with piece movement, but they do not replace looking one turn ahead.

Tap or click a piece to select it; legal squares are highlighted. Tap a highlighted square to move.