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https://github.com/sigmasternchen/promash
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11 lines
239 B
PHP
11 lines
239 B
PHP
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<?php
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function getRate($ra, $rb) {
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return 1 / (1 + pow(10, ((abs($rb - $ra) > 400) ? ((($rb - $ra) > 0) ? 400 : -400) : ($rb - $ra)) / 400));
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}
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function getNew($win, $ra, $rate) {
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$k = 10;
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return $ra + $k * ($win - $rate);
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}
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?>
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