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Individual Calculations December 2017 |
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| Pedersen, Christian Total change: -18.10 | |   |
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| 48th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2017-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2071 | 2423 | 3.50 | 6 | -1.81 | 10 | -18.10 | |
|  Zhang, Alan | | | 2023 * | USA | 0.50 | 1 | -0.42 | 10 | -4.20 | |  Samadashvili, Martha | | wf | 2023 * | USA | 0.00 | 1 | -0.92 | 10 | -9.20 | | | Ni, Winston | | | 2023 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Iyer, Venkat | | | 2023 * | USA | 0.50 | 1 | -0.42 | 10 | -4.20 | | | Lewis, James E. | | | 2143 | DOM | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Busygin, Stanislav | | | 2191 | USA | 0.50 | 1 | -0.29 | 10 | -2.90 | | | * 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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