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Rapid:
Individual Calculations December 2014 |
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| Fathallah, Joe Total change: 25.20 | |   |
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| 2014 Frank Hatto Memorial Welsh Championship | Merthyr Tydfil | WLS | 2014-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1896 | 1945 | 4.50 | 6 | 1.26 | 20 | 25.20 | |
|  Harris, Calum | | | 1545 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Guha, Chirag | | | 1596 | WLS | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Hewitt, William | | | 2042 | WLS | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Davis, Lee | | | 1969 | WLS | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Hatchett, Paul | | | 1994 | WLS | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Kett, Tim | | | 2227 | WLS | 1.00 | 1 | 0.84 | 20 | 16.80 | | | * 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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