Struct lib_rapid::math::ratings::elo::p_match::Match

pub struct Match<'a> {
    pub result: f32,
    /* private fields */
}

A match between two opponents.

Fields

result: f32

1: Player one wins. 0: Player two wins.

Implementations

impl Match<'_>

pub fn new<'a>( player_one: &'a mut EloPlayer, player_two: &'a mut EloPlayer, result: f32 ) -> Match<'a>

Creates a new match between two players.

Arguments

• player_one: &'a mut EloPlayer - The first player.
• player_two: &'a mut EloPlayer - The second player.
• result: f32 - The result. 1: Player one wins. 0: Player two wins.

Returns

A new Match<'a>.

Examples

use lib_rapid::math::ratings::elo::{player::EloPlayer, p_match::Match};
 
let mut beth = EloPlayer::new((1193.0, 1), 18);
let mut eric = EloPlayer::new((1213.0, 1), 25);
 
let mut first_match = Match::new(&mut beth, &mut eric, -1.0); // -1.0 is used here for not yet decided

pub fn update_ratings(&mut self)

Update the ratings of both players.

Examples

use lib_rapid::math::ratings::elo::{player::EloPlayer, p_match::Match};
 
let mut beth = EloPlayer::new((1193.0, 1), 18);
let mut eric = EloPlayer::new((1213.0, 1), 25);
 
let mut first_match = Match::new(&mut beth, &mut eric, -1.0); // -1.0 is used here for not yet decided
first_match.result = 1.0; // Beth wins
first_match.update_ratings();
 
assert_eq!(1214.0, beth.elo.0.round());
assert_eq!(1192.0, eric.elo.0.round());