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The board game of chess is a representation of the four divisions of the military; pawn, knight, bishop, and rook. It is prudent to have a strategy in mind before play but you cannot fully predict the playing out of the game, which is the realm of ninja tactics.
Tactics in Chess
Different pieces on the chess board have different tactical abilities; the knights are able to leap other pieces, move in a particular way and can change the point of focus of the game in a non-linear way which is similar to a detournement.