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Individual Calculations October 2015 |
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| Dandridge, Marvin Total change: -17.00 | |   |
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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 |
| 1995 | 2198 | 2.00 | 4 | -0.85 | 20 | -17.00 | |
|  Li, Marissa | | | 1808 | USA | 1.00 | 1 | 0.09 | 20 | 1.80 | |  Crissman, John M | | | 1927 | USA | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Narayanan, Rishi T | | | 1798 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mitkov, Nikola | g | | 2447 | MKD | 0.00 | 1 | -0.19 | 20 | -3.80 | | | * 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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