Individual Calculations April 2018 |
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Roebuck, Derek Total change: 12.20 | | |
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59th Hampstead Weekend Congress Under 2200 | London | ENG | 2018-03-10 |
Rc | Ro | w | n | change | K | K*chg | Game |
1950 | 1629 | 1.00 | 3 | 0.61 | 20 | 12.20 | |
| Vlcek, Marek | | | 1977 | CZE | 0.50 | 1 | 0.39 | 20 | 7.80 | | Underwood, Jon | | | 1926 | ENG | 0.00 | 1 | -0.15 | 20 | -3.00 | | Martelli, Tommaso | | | 1947 | ITA | 0.50 | 1 | 0.37 | 20 | 7.40 | | 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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