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Individual Calculations May 2017 |
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| Williamson, Kevin J Total change: -18.60 | |   |
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| Southend Easter Bank Holiday Congress OPEN | London | ENG | 2017-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1865 | 1938 | 3.00 | 7 | -0.93 | 20 | -18.60 | |
|  Willmoth, Robert F | c | | 2176 | ENG | 0.00 | 1 | -0.20 | 20 | -4.00 | |  Dias, Savin | | | 1647 | ENG | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Hebbes, Tim | | | 2101 | ENG | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Dean, Michael J | | | 1538 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Nelson, Omowale | | | 2046 | JAM | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Staples, Maurice J | | | 2006 | ENG | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Saidmurodov, Shahjahon | | | 1538 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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