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Individual Calculations September 2021 |
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| Bonnell, Leo W Total change: -15.20 | |   |
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| 51st Annual Continental Open - Under 2200 | Sturbridge, Massachusetts | USA | 2021-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1712 | 1801 | 1.00 | 3 | -0.76 | 20 | -15.20 | |
|  Targonski, Stanley | | | 2015 | USA | 0.50 | 1 | 0.27 | 20 | 5.40 | | | Jin, Jerry | | | 1401 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | |  Cao, Joy | | | 1719 | USA | 0.00 | 1 | -0.61 | 20 | -12.20 | | | * 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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