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Rapid:
Individual Calculations December 2019 |
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| Macdonald, John Total change: -13.80 | |   |
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| 23rd Golders Green FIDE Rapid Chess Improvers U105 | London | ENG | 2019-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1107 | 1286 | 1.50 | 3 | -0.69 | 20 | -13.80 | |
|  Rizvi, Zara | | | 1039 | ENG | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Everitt, David | | | 1204 | ENG | 1.00 | 1 | 0.39 | 20 | 7.80 | |  Braithwaite, Paul | | | 1077 | ENG | 0.00 | 1 | -0.77 | 20 | -15.40 | |
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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