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Individual Calculations August 2019 |
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| Blackburn, Jonathan L B Total change: 28.80 | |   |
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| 16th South Wales International Open | Bridgend | WLS | 2019-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2207 | 2217 | 6.00 | 9 | 1.44 | 20 | 28.80 | |
|  Blackmore, Simon | | | 1817 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Jones, Derek | | | 1937 | WLS | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Petrov, Marian | g | | 2463 | BUL | 1.00 | 1 | 0.81 | 20 | 16.20 | | | Nasuta, Grzegorz | g | | 2529 | POL | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Kett, Tim | | | 2252 | WLS | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Camacho Collados, Jose | m | | 2408 | KOR | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Garcia, Jason | | | 2053 | WLS | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Marusenko, Petr | m | | 2154 | UKR | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Toczek, Grzegorz | f | | 2249 | WLS | 0.50 | 1 | 0.04 | 20 | 0.80 | | | * 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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