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Individual Calculations May 2017 |
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| Villiers, Thomas Total change: 21.80 | |   |
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| CCF EASTER CONGRESS Open April 2017 | London | ENG | 2017-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1924 | 2166 | 4.00 | 5 | 0.14 | 20 | 2.80 | |
|  Ratnesan, Ranesh | | | 1813 | ENG | 1.00 | 1 | 0.11 | 20 | 2.20 | |  Young, Daniel J | | | 1944 | ENG | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Zhao, Haolin | | | 1766 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Faulkner, Martin J | | | 1873 | ENG | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Merriman, John | | | 2226 | ENG | 0.00 | 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) | | | | Central London Chess Congress Open 2017 | London | ENG | 2017-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2086 | 2166 | 4.00 | 5 | 0.95 | 20 | 19.00 | |
| | Bowmer, Kevin | | | 2049 | ENG | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Peters, Stephen G | | | 2078 | ENG | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Johansson, Toni | | | 2071 | SWE | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Prior, Stephen C V | | | 2082 | ENG | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Gaudeau, Valentin | | | 2151 | FRA | 0.50 | 1 | -0.02 | 20 | -0.40 | |
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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