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Individual Calculations December 2015 |
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| Karayiannis, Costas Total change: -13.80 | |   |
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| 4NCL Division 1 WE1 | Birmingham | ENG | 2015-11-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2100 | 2172 | 0.50 | 2 | -0.69 | 20 | -13.80 | |
|  Willson, Ollie | | | 2029 | ENG | 0.50 | 1 | -0.19 | 20 | -3.80 | |  Cumbers, Paul | | | 2170 | ENG | 0.00 | 1 | -0.50 | 20 | -10.00 | |
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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