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Individual Calculations February 2017 |
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| Bonafont, Philip Total change: -16.20 | |   |
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| London Junior Chess Championships Christmas Open, Under 18-21 | London | ENG | 2016-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1950 | 2065 | 0.50 | 2 | -0.81 | 20 | -16.20 | |
|  Newell, David F | | | 1912 | ENG | 0.50 | 1 | -0.20 | 20 | -4.00 | |  Hayward, Alan | | | 1987 | ENG | 0.00 | 1 | -0.61 | 20 | -12.20 | |
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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