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Individual Calculations May 2019 |
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| Bonnell, Leo W Total change: -4.60 | |   |
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| 2019 Westford April Open | Westford, Massachusetts | USA | 2019-04-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2077 | 1850 | 0.50 | 3 | -0.23 | 20 | -4.60 | |
|  Vigorito, David | m | | 2250 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Carter, David E | | | 2109 | USA | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Liang, Dustin | | | 1873 | USA | 0.50 | 1 | 0.03 | 20 | 0.60 | | | * 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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