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Individual Calculations February 2020 |
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| Prestia, Sebastian Total change: -27.60 | |   |
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| 2020 Chesapeake Open - Championship | Rockville, Maryland | USA | 2020-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1967 | 1641 | 0.00 | 5 | -0.69 | 40 | -27.60 | |
|  Chabris, Christopher F | | | 2041 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Savage, Allan G | f | | 2011 | USA | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Boris, Peter Theodore | | | 1964 | USA | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Modi, Ethan | | | 1801 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Senft, Sean | | | 2018 | USA | 0.00 | 1 | -0.09 | 40 | -3.60 | | | * 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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