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Individual Calculations January 2019 |
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| Hafstad, Leif Total change: -33.20 | |   |
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| 10th CSC London Chess Classic: Weekend Open | London | ENG | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1861 | 1911 | 1.50 | 4 | -0.83 | 40 | -33.20 | |
|  Horton, Andrew P | m | | 2311 * | ENG | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Tivillier, Jacques | | | 1778 | ENG | 0.00 | 1 | -0.68 | 40 | -27.20 | | | Fielding, Michael | | | 1751 | ENG | 0.50 | 1 | -0.21 | 40 | -8.40 | | | John, Joshua | | | 1602 | ENG | 1.00 | 1 | 0.14 | 40 | 5.60 | | | * 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) | | |
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