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Individual Calculations October 2015 |
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| Li, Marissa Total change: 7.20 | |   |
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| 2015 Illinois Open State Chess Championship | Northbrook, Illinois | USA | 2015-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2072 | 1808 | 1.00 | 4 | 0.18 | 40 | 7.20 | |
|  Dandridge, Marvin | | | 2198 | USA | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Tavares, Jarrod M | | | 1953 | USA | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Crissman, John M | | | 1927 | USA | 1.00 | 1 | 0.66 | 40 | 26.40 | |  Lonoff, Marc | f | | 2208 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | |
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