protected function getParticipantKFactor(ParticipantInterface $participant)
{
$rating = $participant->getRating();
if ($participant->getTotalGames() < 30 && $rating < 2300) {
return 40;
} elseif ($rating >= 2400) {
return 10;
} else {
return 20;
}
}
protected function getParticipantKFactor(ParticipantInterface $participant)
{
$rating = $participant->getRating();
if ($rating > 2400) {
return 16;
} elseif ($rating >= 2100) {
return 24;
} else {
return 32;
}
}
public function getWinProbability(ParticipantInterface $participantA, ParticipantInterface $participantB)
{
$probabilityA = $this->getIndividualProbability($participantB->getRating(), $participantA->getRating());
$probabilityB = 1 - $probabilityA;
return [$probabilityA, $probabilityB];
}