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Individual Calculations August 2018 |
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| Roebuck, Derek Total change: -20.60 | |   |
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| 63rd Hampstead Weekend Congress Under 2200 | London | ENG | 2018-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1732 | 1639 | 0.50 | 4 | -1.03 | 20 | -20.60 | |
|  Garnett, John S | | | 1916 | ENG | 0.50 | 1 | 0.33 | 20 | 6.60 | |  Srivastava, Arnav | | | 1563 | ENG | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Merriman, James | | | 1725 | ENG | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Kadambadi, Nikhil | | | 1725 | ENG | 0.00 | 1 | -0.38 | 20 | -7.60 | |
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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