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Individual Calculations June 2018 |
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| Roebuck, Derek Total change: -5.00 | |   |
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| 60th Hampstead Weekend Congress Under 2200 | London | ENG | 2018-04-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1802 | 1641 | 1.00 | 4 | -0.25 | 20 | -5.00 | |
|  Prior, Stephen C V | | | 1979 | ENG | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Jaufarally, Nadia | | | 1853 | ENG | 0.00 | 1 | -0.23 | 20 | -4.60 | |  Sheikh, Samia Zannat | | | 1493 | ITA | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Juciute, Einora | | | 1883 | LTU | 0.50 | 1 | 0.30 | 20 | 6.00 | |
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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