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Individual Calculations February 2015 |
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| Tomy, Jeff Total change: 8.40 | |   |
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| 5th Golders Green Weekend Congress: Under 1900 (160 ECF) | London | ENG | 2015-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1668 | 1400 | 1.00 | 4 | 0.21 | 40 | 8.40 | |
|  Harrington, James | | | 1773 | ENG | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Bynnersley, Tony | | | 1529 | ENG | 0.00 | 1 | -0.33 | 40 | -13.20 | |  Ivanov, Elizabeth | | | 1569 | ENG | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Jacob, Sydney | | | 1800 * | ENG | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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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