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Individual Calculations June 2015 |
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| Roback, Joe Total change: -4.60 | |   |
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| 40th Paul Keres Memorial | Richmond | CAN | 2015-05-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2022 | 1965 | 2.00 | 5 | -0.23 | 20 | -4.60 | |
|  Orlov, Georgi | m | | 2365 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Doknjas, Joshua | | | 1982 | CAN | 1.00 | 1 | 0.52 | 20 | 10.40 | | | Wu, Howard | | | 2127 | CAN | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Richardson, Kai | | | 1729 | CAN | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Zhou, Aiden | | | 1909 | CAN | 1.00 | 1 | 0.42 | 20 | 8.40 | | | * 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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