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Individual Calculations December 2017 |
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| Ampie, Mauro Total change: -19.20 | |   |
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| City of Chicago Class Championships | Chicago, Illinois | USA | 2017-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2025 | 2370 | 3.00 | 4 | -0.53 | 20 | -10.60 | |
|  Rajendra, Anupama | | | 1970 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | |  Mangalam, Shreya | | | 1970 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Matus, Nastassja | | wf | 2040 | USA | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Stevens, Matthew | | | 2119 | USA | 1.00 | 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) | | | | 26th Annual Kings Island Open | Blue Ash, Ohio | USA | 2017-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2048 | 2366 | 3.00 | 4 | -0.43 | 20 | -8.60 | |
| | Opaska, Michael | | | 1966 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Sharpe, Weston | | | 1966 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mills, James | | | 2083 | USA | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Gomri, Yehuda | | | 2176 | ISR | 1.00 | 1 | 0.25 | 20 | 5.00 | | | * 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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