Play chess online
Challenge another player over the web, create a room, or play pass-and-play on the same device. It is browser chess with a cube-shaped problem attached.
A new chess board, not a new rulebook
CubeChess is classic chess played across the sides of a cube.
If you searched for chess, online chess, chess puzzles, chess strategy, 3D chess, or chess variants, you are in the right place. CubeChess keeps the familiar army — kings, queens, rooks, bishops, knights, and pawns — but moves the battle onto six connected 4×4 faces. The result feels strange for a few moves, then the old chess mind wakes up in a new room.
Practice against the computer
Use the bot to learn the geometry, test tactics, and get comfortable seeing attacks that travel around corners instead of stopping at the edge of a flat board.
Solve 3D chess puzzles
CubeChess puzzles train the same chess habits — calculation, forcing moves, pins, forks, skewers, mating nets — but the board asks you to look again.
For players who study chess tactics and strategy
CubeChess is useful because it does not ask you to forget chess. Development, king safety, material, initiative, threats, defense, and endgame discipline still matter. What changes is the space. Lines bend around the cube. A safe-looking square may be connected to danger from another face. A familiar tactic may arrive from an unfamiliar direction.
That makes CubeChess a training ground for board vision. It rewards players who can slow down, rotate the position in the mind, and ask the oldest chess question again: what is attacked?
For chess variant fans, 3D chess players, and curious beginners
Many chess variants add new pieces or new rules. CubeChess changes the board geometry while preserving the core language of chess. Beginners can select a piece and see legal moves; experienced players can explore openings, traps, defenses, and endgames that have not been memorized to death.
- Same standard chess pieces and movement logic.
- Six connected faces create a compact 3D chess battlefield.
- Play online, against a bot, pass-and-play, or through puzzles.
- Good for chess clubs, speedcubers, puzzle solvers, and players tired of the same opening book.
Chess events, club challenges, and new discoveries
CubeChess can be used for casual chess nights, club demonstrations, online challenges, puzzle contests, and teaching sessions. It gives strong players a fresh board without taking away the grammar of chess, and it gives new players a visual reason to enter the game.
Why the cube matters
Flat chess is still beautiful. CubeChess simply asks what happens when the battlefield has edges, faces, and hidden continuations. By move five, you are not learning a gimmick. You are playing chess — just no longer pretending the world is flat.
There are no CubeChess masters yet. That is the invitation.
CubeChess is new. No one has spent twenty years memorizing its openings. No one owns the endgames. No one has a dusty shelf of CubeChess theory waiting to crush you on move twelve. That makes it friendly to beginners, dangerous for experts, and interesting for everyone in between.
If you are learning chess, take it for a spin and let the highlighted moves guide you. If you are a club player, bring your calculation and see how quickly your board vision adapts. If you are a titled player, streamer, coach, or grandmaster, the door is open. Magnus Carlsen, Hikaru Nakamura, Fabiano Caruana, Judit Polgár, Viswanathan Anand, Garry Kasparov, Gukesh Dommaraju, Praggnanandhaa Rameshbabu — if any of you somehow land here, try a game. The cube has not been solved. Nobody is late.
The online lobby includes automatic matching, but CubeChess is still a young site. That means random opponents may not always be waiting at the exact moment you arrive. For now, the best approach is simple: try the lobby during busier chess hours, share a room link with a friend, or invite your club to meet here at the same time.
Weeknights7:00–10:00 PM Eastern Time is a good window for casual online games after work and school.
WeekendsSaturday and Sunday afternoons or evenings give players in more time zones a better chance to overlap.
Club challengePick a fixed hour, send the room link, and let the first generation of CubeChess openings happen in public.
The online game has a physical sister: 3D Masters Cube Chess.
CubeChess.com is the browser version. The physical Cube Chess project lives at 3D Masters Cube Chess, where the idea becomes a real object: a cube-shaped chess board with physical pieces, faces, rails, and the strange pleasure of holding the battlefield in your hands.
The pending US patent application is for the physical Cube Chess apparatus — the cube-shaped board, physical construction, and related set design. It is not a claim that the website, software, or the general rules of chess are patented. In the future, the goal is to gather enough interest and momentum to make physical Cube Chess sets available at a reasonable price. Right now, only time-consuming and expensive prototypes are available, so the online version is the easiest way for players to try the game, learn the geometry, and help prove that the cube deserves a wider audience.
Visit the physical Cube Chess site