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Individual Calculations August 2015 |
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| Rudd, Jack Total change: 30.40 | |   |
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| 12th South Wales International Open | Cardiff | WLS | 2015-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2194 | 2247 | 7.00 | 10 | 1.52 | 20 | 30.40 | |
|  Williams, Ron | | | 1847 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | |  James, Dai | | | 1906 | WLS | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Gormally, Daniel W | g | | 2484 | ENG | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Davis, Lee | | | 1995 | WLS | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Staniforth, Matthew | | | 1877 | WLS | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Chevannes, Sabrina L | | wm | 2228 | ENG | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Petrov, Marian | g | | 2487 | BUL | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Wells, Peter K | g | | 2448 | ENG | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Rysbayeva, Aigerim | | wf | 2142 | KAZ | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Nikolov, Momchil | g | | 2530 | BUL | 0.50 | 1 | 0.34 | 20 | 6.80 | | | * 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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