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Individual Calculations May 2023 |
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| De Yaak, Peter Total change: 7.80 | |   |
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| 2023 Perth Club Championship Rounds 1-3 | Perth | AUS | 2023-04-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1578 | 1802 | 2.50 | 3 | 0.39 | 20 | 7.80 | |
|  Kerr, Carter | | | 1402 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Wu, Kobe | | | 1326 | AUS | 1.00 | 1 | 0.05 | 20 | 1.00 | | | Spirin, Victor | | | 2005 | RUS | 0.50 | 1 | 0.26 | 20 | 5.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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