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Individual Calculations September 2023 |
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| Collier, Philip M Total change: -31.20 | |   |
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| 2nd Annual Beltway Open | Herndon, Virginia | USA | 2023-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1623 | 1723 | 1.50 | 5 | -1.56 | 20 | -31.20 | |
|  Wright, James Doug | | | 1800 | USA | 0.00 | 1 | -0.39 | 20 | -7.80 | |  Chen, Alan Zishun | | | 1697 | USA | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Le, Phong Tuan | | | 1323 * | VIE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Meyer-Chabris, Caleb | | | 1655 | USA | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Baim, Elvin | | | 1638 | AZE | 0.00 | 1 | -0.62 | 20 | -12.40 | | | * 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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