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Individual Calculations May 2018 |
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| Russell, Christopher Total change: 6.80 | |   |
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| Southend Easter Bank Holiday Congress | London | ENG | 2018-03-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2035 | 2137 | 4.50 | 7 | 0.17 | 20 | 3.40 | |
|  Lovell, William Pm | | | 1797 | ENG | 1.00 | 1 | 0.12 | 20 | 2.40 | |  Saunders, Michael | | | 1825 | ENG | 0.50 | 1 | -0.36 | 20 | -7.20 | | | Merriman, John | | | 2277 | ENG | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Ledger, Stephen C | | | 2038 | ENG | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Hebbes, Tim | | | 2087 | ENG | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Gaudeau, Valentin | | | 2186 | FRA | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Fox, Anthony | | | 2035 | IRL | 0.50 | 1 | -0.14 | 20 | -2.80 | |
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) | | | | Imperial College Chess Congress Open 2018 | London | ENG | 2018-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1966 | 2142 | 3.00 | 4 | 0.17 | 20 | 3.40 | |
| | Salerno, Francesco | | | 1905 | ITA | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Tivillier, Jacques | | | 1777 | ENG | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Cumming, Rhys | | | 2200 | ENG | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Xaxiris, E. | | | 1981 | GRE | 1.00 | 1 | 0.29 | 20 | 5.80 | |
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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