Catch rate: Difference between revisions

Catch rate (view source)

930 bytes added , 11 May 2011

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 * ''d'' = Catch rate × 100 / Ball Factor, where the Ball Factor is 255 for the Poké Ball, 200 for the Great Ball, and 150 for all other balls.
 * ''f'' = (HP<sub>max</sub> * 255 / Ball Factor) / (HP<sub>current</sub> / 4), where all divisions are rounded down to the nearest integer (the denominator is set to 1 if it is 0 as a result).  The Ball Factor is 8 if a Great Ball is used, and 12 otherwise.  The resulting value may not be larger than 255, in which case 255 is used instead.
+The formula thus has several curious properties that do not apply in later generations:
+* The amount of times a Poké Ball shakes before it breaks free (or not at all if it misses the Pokémon) is a rough approximation of the Pokémon's catch odds.  Furthermore, if a Pokémon breaks free after some number of shakes, and a subsequent attempt with all variables the same makes more shakes, the Pokémon is caught.
+* Under certain situations, a Great Ball is more effective than an Ultra Ball.  In particular, Pokémon with high catch rates, no status, and above 1/2 HP may guarantee capture with a Great Ball but fail to do so with an Ultra Ball.
+* The effect of reducing HP diminishes with lower catch rates, and the effect of inflicting status diminishes with higher catch rates.  Regardless of catch rate, reducing the HP does not increase chances of capture at less than 1/2 HP with Great Balls, and 1/3 HP with other balls.
 ==Capture method (Generation II and later)==