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Individual Calculations April 2016 |
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| Roebuck, Derek Total change: 23.40 | |   |
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| 60th Southend Chess Congress | Southend | ENG | 2016-03-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2000 | 1675 | 2.00 | 6 | 1.17 | 20 | 23.40 | |
|  Ledger, Stephen C | | | 2066 | ENG | 0.00 | 1 | -0.09 | 20 | -1.80 | |  Hare, Roy T | | | 1909 | ENG | 1.00 | 1 | 0.79 | 20 | 15.80 | | | Britton, Richard L | f | | 2075 * | ENG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Okhai, Shabir | | | 2051 | ENG | 0.50 | 1 | 0.41 | 20 | 8.20 | | | Gregory, Stephen J | | | 2042 | ENG | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Eyles, Kier | | | 1859 | ENG | 0.50 | 1 | 0.24 | 20 | 4.80 | | | * 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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