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Individual Calculations February 2013 |
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| Ronka, Erik Total change: 15.00 | |   |
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| London Christmas Congress Open | Harrow | ENG | 2012-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2022 | 2084 | 4.50 | 6 | 1.00 | 15 | 15.00 | |
|  Gibbs, Dominic V | | | 1931 | ENG | 1.00 | 1 | 0.30 | 15 | 4.50 | |  Dydak, Mateusz | | | 1992 | CAN | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Hayward, Alan | | | 1960 | ENG | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Sathyanandha, Saravanan | | | 2052 | ENG | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Nelson, Omowale A | | | 2049 | JAM | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Harvey, Marcus R | | | 2150 | ENG | 0.00 | 1 | -0.41 | 15 | -6.15 | |
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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