Poker calculator can provide results provided a specific game scenario. Game scenario variables include: the number of players, the game type being played, and the hand or cards available for the player in question. Alternatively, there also exist "poker relative calculators" which display a player's winning chance relative to another player's chance. "Poker relative calculators" tend to be displayed on poker shows and tournaments for an audience because they provide an accurate assessment of a player's winning chance. However, professional in game poker players do not use or think in terms of "poker relative calculations" because two or more poker hands at
Heads up poker players, except in community card poker, the blinds are usually reversed in order to decrease the positional advantage in matches between two players of similar skill. Nevertheless, the strategy employed tends to be vastly different from a multi-handed poker game. Since only two players take part in the hand, the chance of having the best hand is much higher than in a multi-handed game, which causes the game to become more aggressive than normal. Bluffs for example become easier to pull off in a heads up game since it is only necessary to bluff a single opponent in order to