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Individual Calculations December 2017 |
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| McKenna, James F Total change: -62.00 | |   |
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| 2017 Central London Chess Congress (Major Section) | London | ENG | 2017-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1598 | 1905 | 1.00 | 3 | -1.55 | 40 | -62.00 | |
|  McKenna, John R | | | 1663 | ENG | 0.50 | 1 | -0.30 | 40 | -12.00 | | | Pappas, Alexandros | | | 1627 | GRE | 0.50 | 1 | -0.33 | 40 | -13.20 | |  Chiang, Richard | | | 1505 * | ENG | 0.00 | 1 | -0.92 | 40 | -36.80 | | | * 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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