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Individual Calculations January 2020 |
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| Rupel, David Total change: -32.60 | |   |
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| 55th Annual American Open - U2200 | Costa Mesa, California | USA | 2019-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1613 | 1957 | 1.00 | 3 | -1.63 | 20 | -32.60 | |
|  Pearl, Reagan | | | 1557 * | USA | 0.00 | 1 | -0.92 | 20 | -18.40 | |  Gu, Andy | | | 1557 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Friedman, Andrew | | | 1725 | USA | 0.50 | 1 | -0.29 | 20 | -5.80 | | | * 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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