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Individual Calculations December 2019 |
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| Brattain, Mika Total change: -9.00 | |   |
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| 28th Annual Kings Island Open | Blue Ash, Ohio | USA | 2019-11-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2118 | 2426 | 2.50 | 4 | -0.90 | 10 | -9.00 | |
|  Quirke, Jeffrey L | | | 2101 | USA | 1.00 | 1 | 0.13 | 10 | 1.30 | |  Park, Evan | | | 2100 | USA | 0.00 | 1 | -0.87 | 10 | -8.70 | | | Zheng, Michael Zihan | | | 2026 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Kolay, Alex | | | 2245 | USA | 0.50 | 1 | -0.24 | 10 | -2.40 | | | * 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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