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Individual Calculations October 2015 |
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| Corallo, Michael P Total change: -10.00 | |   |
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| American Chess Promotions Open | Chamblee, Georgia | USA | 2015-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2042 | 2263 | 2.50 | 4 | -0.50 | 20 | -10.00 | |
|  Potula, Kapish | | | 1904 | USA | 0.00 | 1 | -0.90 | 20 | -18.00 | |  Wu, Logan | | | 1863 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mc Carthy, Brian | | | 2216 | USA | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Vest, David M | | | 2184 | USA | 1.00 | 1 | 0.39 | 20 | 7.80 | | | * 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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