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Individual Calculations September 2018 |
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| Varney, Zoe Total change: -16.80 | |   |
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| 105th British Championships Weekend Open | Hull | ENG | 2018-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1901 | 2003 | 2.50 | 5 | -0.67 | 20 | -13.40 | |
|  Schmerwitz, Reinhard | | | 1764 | GER | 1.00 | 1 | 0.20 | 20 | 4.00 | |  Varney, Daniel | | | 1895 | ENG | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Crocker, Philip J | | | 2099 | ENG | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Graff, Ben | | | 1863 | ENG | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Leah, Tom | | | 1882 | ENG | 0.50 | 1 | -0.16 | 20 | -3.20 | |
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) | | | | 64th Hampstead Weekend Congress Under 2200 | London | ENG | 2018-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1760 | 2003 | 3.00 | 5 | -0.93 | 20 | -18.60 | |
| | Wei, Naomi | | | 1772 | ENG | 0.00 | 1 | -0.79 | 20 | -15.80 | | | Sheikh, Anum | | wc | 1675 | ENG | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Samuels, Robert J | | | 1603 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Tsiapouris, Michael, Dr. | | | 1894 | GER | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Lundback, Anders | | | 1854 | SWE | 1.00 | 1 | 0.30 | 20 | 6.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 54th Berks & Bucks Chess Congress Championship | Maidenhead | ENG | 2018-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2098 | 2003 | 3.00 | 6 | 0.76 | 20 | 15.20 | |
| | Eren, Baran | | | 2101 | TUR | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Golding, James | | | 2041 | ENG | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Ratnesan, Ranesh | | | 2077 | ENG | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Hand, Freddie | | | 2154 | ENG | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Purdon, Colin | | | 2048 | ENG | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Willmoth, Robert F | c | | 2168 | ENG | 0.50 | 1 | 0.22 | 20 | 4.40 | |
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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