NOTE: 12 and 13 strength are represented by the same descriptor on pet lookups (very strong), so pets with either 12 or 13 strength will be read by the calculator as having 13 strength! Be aware of this when planning builds or evaluating pets which the league calculator reports as having 13 strength! You must use the manual HSD option to accurately represent builds you know to be 12 strength.
The league system was originally created by the Neopian Council of War as a way to rank pets based on their stats so competitive tournaments would be balanced for all the different pet builds. Previously the only rankings had been through HSD (HP + Strength + Defense) or by going off of each pet's strength boost only. The original NCW calculator has been lost, but the formula and rules for calculating leagues live on in this calculator, now conveniently located on a petpage.
This league calculator operates on the following system of rules:
Each stat is weighted differently, and the weighted stats are then totaled to produce a rating for that pet. The formula used to produce the rating is [health / 2.7 + strength boost / 1.8 + defense boost / 54]. The rating is then taken and matched to a table of 24 predetermined ratings that make up each league.
To make up for the fact that defense plays a very small part in determining your pet's rating, if your defense boost is 2 or more boosts higher than your strength boost, you are moved up 1 league. This restriction does not apply for pets already league 16 or above.
The boosts are defined as follows: 0, 8, 13, 20, 35, 55, 85, 125, 200, 250, 300, 350, 400, 450, 500, 550, 600, 650, 700. Any pets with strength/defense lower than 0 will be treated as 0 boost for that stat in determining that pet's rating.
The maximum ratings for each league are defined as follows, starting with league 0: 1, 7, 12, 20, 33, 48, 69, 90, 115, 180, 210, 265, 300, 355, 410, 470, 530, 590, 620, 722, 833, 981, 1167, 1389. Any pets with a rating lower than 1 are considered league 0. Any pet with a rating higher than 1389 is league 24, the max league.
You can add the following options to the end of the URL for additional effects:
|&L=#||Calculates your pet's max stats for a certain league|
|&M||Displays the maximum stats you can train to instead of the maximum boost. (299 instead of 250 for 250 boost)|
|&T=H/S/D||Calculates how many stats you need to get to your target H/S/D instead of max league builds.|
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