Reversi explained
Reversi vs Othello: What Is the Difference?
In modern online play, “Reversi” and “Othello” usually describe the same familiar 8×8 disc-flipping game. Historically, however, they are not identical: Reversi is the older game, while Othello standardized the starting position and the rules most players use today.
The short answer
If you open a modern website or app labelled Reversi, you will usually get the rules people associate with Othello: an 8×8 board, four discs fixed in the centre, mandatory outflanking, automatic flipping, passing when no legal move exists, and the player with more discs at the end winning.
The distinction matters mainly when discussing history and original rules, not when deciding how to play most modern digital versions.
Reversi vs Othello at a glance
| Topic | Historical Reversi | Modern Othello |
|---|---|---|
| Era | Popularized in Britain in the late 19th century | Modern form developed and commercialized in Japan in the 20th century |
| Board | 8×8 | 8×8 |
| Starting position | Historically not fixed in the same standardized centre pattern | Four centre discs in a fixed diagonal arrangement |
| Core mechanic | Outflank and reverse opponent pieces | Outflank and flip opponent discs |
| Modern competitive standard | Not the usual tournament ruleset today | Standardized rules used in organized Othello competition |
| Online usage today | Often used as a generic name for Othello-style play | Usually refers to the standardized modern rules |
What came first: Reversi or Othello?
Reversi came first. Versions of the game were sold in Britain in the late 1800s, with Lewis Waterman and John W. Mollett both associated with its early development. Historical accounts describe an 8×8 flipping game that looked very familiar to modern players but did not begin from the single fixed four-disc opening used today.
The modern Othello form was developed in Japan and entered commercial production in 1971. It gave the game a standardized opening and a consistent ruleset, which helped make organized competition possible.
The biggest practical difference: the starting position
Modern Othello always starts with four discs in the four central squares: two Black and two White, placed diagonally. Black moves first.
Historical Reversi did not use that one predetermined starting layout. That changes the opening phase substantially, because the first placements help create the board position instead of beginning from an already fixed centre.
Modern Othello-style start
The full board is 8×8; this close-up shows the fixed four-disc centre used by standard modern play.
Are the flipping rules the same?
The defining idea is the same: place a disc so that one or more continuous opponent discs are trapped between the new disc and another disc of your colour. Every opponent disc in that bracketed line changes to your colour.
Modern Othello rules check horizontal, vertical, and diagonal lines. A single move may flip in several directions at once. If you are curious about the extreme case, the maximum number of discs that can be flipped in one move is 19.
What happens when a player has no legal move?
Under standard modern Othello rules, that player passes and the opponent moves again. The game ends when neither player has a legal move. This can happen before all 64 board squares are occupied.
Early Reversi rule descriptions were not as standardized as modern Othello, which is one reason historical comparisons can produce different answers depending on the edition being discussed.
Why do websites call Othello “Reversi”?
“Reversi” is the older generic game name, while Othello became the name associated with the standardized modern version. Because the board, discs, and core flipping mechanic are so similar, the names are now commonly used interchangeably in casual and online play.
So when a website says “Play Reversi,” the useful question is not the label alone. Check the rules: if it starts with four fixed centre discs, requires a legal flip, passes a turn when no move exists, and counts the majority of discs at the end, you are playing the familiar modern Othello-style game.
Which rules does PlayFaceToFace use?
PlayFaceToFace calls the game Reversi, but the gameplay follows the familiar modern Othello-style structure:
- 8×8 board
- Fixed four-disc centre opening
- Two players, Black and White
- A move must outflank at least one opponent disc
- All captured lines flip automatically
- A player with no legal move passes automatically
- The game ends when neither player has a legal move
- The player with more discs wins
That means someone who already knows Othello can start playing immediately, even though the navigation says Reversi.
Is Reversi easier than Othello?
If you mean the modern games found online, there is normally no meaningful difficulty difference because they use the same Othello-style rules. Strategy still revolves around mobility, corners, stable discs, parity, and controlling which moves your opponent can make.
Historical Reversi is a different comparison because the opening procedure changes the game before normal Othello strategy even begins.
Frequently asked questions
Are Reversi and Othello the same game?
In most modern online contexts, effectively yes: “Reversi” usually uses the standardized Othello-style rules. Historically, no. Reversi is older and its original setup and rule conventions were different.
Which game is older?
Reversi. It was played in Britain in the 19th century, decades before the modern Othello form was commercialized in Japan.
Does Othello always start with four centre discs?
Yes. The fixed diagonal four-disc centre position is part of the standard modern Othello opening.
Can I use Othello strategy in online Reversi?
Yes, if the online Reversi game uses the standard modern rules. Corner control, mobility, stable discs, edges, and parity all transfer directly.
Play the modern game
Try the rules directly in your browser. Legal moves are highlighted and captured discs flip automatically, so you can focus on learning the position rather than managing the board.
Reversi
