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Individual Calculations August 2022 |
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| Mbonu, David Total change: -31.80 | |   |
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| 50th Annual World Open - Under 2200 | Philadelphia, Pennsylvania | USA | 2022-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1645 | 2023 | 2.00 | 4 | -1.59 | 20 | -31.80 | |
|  Wong, Andrew Yun | | | 1583 | USA | 0.50 | 1 | -0.44 | 20 | -8.80 | | | Min, Ryan | | | 1797 | USA | 0.50 | 1 | -0.29 | 20 | -5.80 | |  Wu, Jayden | | | 1623 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Qian, Bobby | | | 1578 | USA | 0.50 | 1 | -0.44 | 20 | -8.80 | | | * 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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