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Individual Calculations January 2022 |
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| Xu, Eddie Total change: -2.00 | |   |
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| 52nd Annual National Chess Congress - Premier | Philadelphia, Pennsylvania | USA | 2021-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2058 | 1904 | 3.00 | 6 | 1.10 | 20 | 22.00 | |
|  Kothapalli, Pradhyumna Kumar | | | 1844 | IND | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Franco Prasanna, Gracy | | wf | 1919 | USA | 1.00 | 1 | 0.52 | 20 | 10.40 | |  Kraai, Jesse | g | | 2304 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Zhang, Alan | | | 2077 | USA | 1.00 | 1 | 0.73 | 20 | 14.60 | | | Lee, Justin | | | 2073 | USA | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Moore, Nickolas Arthur | | | 2133 | USA | 0.00 | 1 | -0.21 | 20 | -4.20 | | | * 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) | | | | 2021 RA December Open | Ottawa | CAN | 2021-12-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1772 | 1927 | 1.50 | 4 | -1.20 | 20 | -24.00 | |
| | Chiku-Ratte, Olivier Kenta | m | | 2327 * | CAN | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Petrovic, Milos | | | 1527 * | CAN | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Wang, Derek | | | 1527 * | CAN | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Labib, Daniel | | | 1706 | CAN | 1.00 | 1 | 0.22 | 20 | 4.40 | | | * 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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