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Individual Calculations October 2019 |
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| Riddell, John Total change: -11.20 | |   |
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| 141st Annual New York State Championship | Albany, New York | USA | 2019-08-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2018 | 2014 | 1.50 | 4 | -0.56 | 20 | -11.20 | |
|  Chipkin, Leonard | | | 2033 | USA | 0.50 | 1 | 0.03 | 20 | 0.60 | |  Paragua, Mark | g | | 2414 * | PHI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Riddell, Connor | | | 1764 | USA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Zhang, Samuel | | | 1862 | USA | 0.00 | 1 | -0.70 | 20 | -14.00 | | | * 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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