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Individual Calculations January 2019 |
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| Helps, David Total change: 12.80 | |   |
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| 10th CSC London Chess Classic: 5-Day Under 1750 | London | ENG | 2018-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1515 | 1557 | 2.50 | 4 | 0.32 | 40 | 12.80 | |
|  Tighe, Kevin J | | | 1241 | ENG | 1.00 | 1 | 0.13 | 40 | 5.20 | |  Finnegan, Oliver | | | 1719 | ENG | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Du Toit, Sune | | wm | 1705 | RSA | 0.00 | 1 | -0.30 | 40 | -12.00 | | | White, Nigel | | | 1393 | ENG | 1.00 | 1 | 0.28 | 40 | 11.20 | |
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) | | |
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