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Individual Calculations April 2018 |
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| Sibbald, Connor Total change: -1.60 | |   |
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| Perth Congress 2018 Over-1500, Under-1900 | Perth | SCO | 2018-02-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1573 | 1384 | 0.50 | 2 | -0.04 | 40 | -1.60 | |
|  Robertson, Jim | | | 1679 | SCO | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Le Feuvre, Gwenole | | | 1467 | FRA | 0.00 | 1 | -0.39 | 40 | -15.60 | |
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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