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Individual Calculations June 2015 |
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| Buttell, David Total change: -15.20 | |   |
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| 4NCL 2014-15 Rounds 9-11 | Various | ENG | 2015-05-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1653 | 1791 | 1.00 | 2 | -0.25 | 20 | -5.00 | |
|  Graham, William M | | | 1914 | ENG | 0.00 | 1 | -0.33 | 20 | -6.60 | |  Hung, Dylan | | | 1391 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | Welsh Chess Premier League 2014/15 Rd7 | Various | WLS | 2015-05-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1784 | 1791 | 0.00 | 1 | -0.51 | 20 | -10.20 | |
| | Haigh, Tony | | | 1784 | WLS | 0.00 | 1 | -0.51 | 20 | -10.20 | |
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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