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Individual Calculations March 2018 |
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| Buttell, David Total change: -9.20 | |   |
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| 47th Dyfed Open | Goodwick | WLS | 2018-02-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1814 | 1782 | 2.00 | 5 | -0.46 | 20 | -9.20 | |
|  Turner, Matthew J | g | | 2182 * | SCO | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Di-Vetta, Andrew | | | 1665 | WLS | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Jones, Dewi | | | 1512 | WLS | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Jansen Van Rensburg, Leon | | | 1528 | WLS | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Jones, Iolo C | f | | 2182 * | WLS | 0.00 | 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) | | |
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