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Individual Calculations January 2019 |
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| Ofstad, Johannes Total change: -9.60 | |   |
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| 10th CSC London Chess Classic: Weekend Under 1825 | London | ENG | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1715 | 1585 | 0.50 | 3 | -0.48 | 20 | -9.60 | |
|  Piecha, Lukasz Marek | | | 1729 | ENG | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Chong, Kimberly | | | 1713 | WLS | 0.50 | 1 | 0.17 | 20 | 3.40 | |  O`shea, Colm | | | 1703 | ENG | 0.00 | 1 | -0.34 | 20 | -6.80 | |
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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