When neither player has a legal move usually when the board is full but not always the game ends. The winner is the player with the most pieces of his colour showing. Play against your computer! A board game involving abstract strategy! This page uses JavaScript. Please enable it or upgrade your browser. A game of dramatic reversals Othello History O thello, also known as Reversi, is a classic board game.
Your Score. PC Score. Game s. Function, corner-p :. Function, count-difference :. Function, count-edge-neighbors :. Function, cross-product :. Function, edge-index :. Function, edge-move-probability :. Function, edge-stability :. Function, final-value :. Function, final-value-weighted :.
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Function, find-bracketing-piece :. Function, get-move :. Function, human :. Function, iago :. Function, iago-eval :. Function, init-edge-table :. Function, initial-board :. Function, legal-moves :. Function, legal-nodes :. Function, legal-p :. Function, list-to-delimited-string :. Function, load-edge-table :.
Basic Reversi Rules
Function, make-edge-table :. Function, make-flips :.
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- The Project - Reversi on a hexagonal grid.
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Function, make-game :. Function, make-game-move :. Function, make-move :. Function, make-moves :. Function, make-node :.
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Function, make-state :. Function, make-state-struct :. Function, map-edge-n-pieces :. Function, mappend :. Function, maximize-difference :. Function, maximizer :. Function, minimax :. Function, minimax-searcher :. Function, mm-df :. Function, mm-md-wt :. Function, mm-wt :. Function, mobility :. Function, mobility-simple :.
Reversi Tips and Strategy
Function, modified-weighted-squares :. Function, moves-to-string :. Function, mx-df :. Function, mx-md-wt :. Function, mx-wt :. Function, name-of :. Function, negate-value :. Function, neighbors :. Function, next-to-play :. Function, node-board :. Function, node-p :.
Reversi: a strategy board game for two players in turns | Arcade Games
Function, node-square :. Function, node-value :. Function, piece-stability :. Function, play-game :. Function, possible-edge-move :. Function, possible-edge-moves-value :. Function, print-board :.
Function, put-first :. Function, random-nth :. Function, random-reversi-series :. Function, random-strategy :. Function, replace-board :. Function, reset-game :. Function, reversi :. Function, reversi-series :. Function, round-robin :. A lifetime to master. True enough The rules are deceptively simple. The game starts with four discs—two for each player—already criss-crossed in the center of a standard 8x8 board some programs allow you to select other board sizes, such as 10x The players take turns to place a disc on the board, with 'black' generally going first.
Each time, you have to sandwich one or more lines of your opponent's discs between two of your own pieces whether vertically, horizontally or diagonally. Then the sandwiched discs change color and become yours.