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Rapid:
Individual Calculations December 2017 |
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| Macdonald, Amaya Total change: 10.80 | |   |
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| Golders Green FIDE Rapid Chess Amateur Nov 2017 | London | ENG | 2017-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1402 | 1236 | 2.00 | 5 | 0.54 | 20 | 10.80 | |
|  Macdonald, John | | | 1475 | ENG | 0.00 | 1 | -0.20 | 20 | -4.00 | |  Goulbourne, Nick | | | 1369 | ENG | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Ogah, Adah Simon | | | 1353 | ENG | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Fleischer, Jeff H | | | 1550 | ENG | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Lohia, Sohum | | | 1262 | ENG | 0.00 | 1 | -0.46 | 20 | -9.20 | |
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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