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Individual Calculations August 2018 |
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| Kalavannan, Koby Total change: 49.20 | |   |
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| 15th South Wales International Open | Cardiff | WLS | 2018-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2169 | 2277 | 5.50 | 8 | 0.49 | 40 | 19.60 | |
|  Jukes, Sam | | | 1877 * | WLS | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Waddington, Mike P | f | | 2110 | ENG | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Korneev, Oleg | g | | 2506 | ESP | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Marusenko, Petr | m | | 2144 | UKR | 0.50 | 1 | -0.18 | 40 | -7.20 | | | Ehsandar, Peter | | | 1978 | WLS | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Ledger, Dave J | f | | 2187 | ENG | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Britton, Richard L | f | | 2249 | ENG | 0.50 | 1 | -0.04 | 40 | -1.60 | | | Dambrauskas, Virginijus | m | | 2301 | LTU | 0.50 | 1 | 0.03 | 40 | 1.20 | | | * 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) | | | | 19th 4NCL Congress Open | Telford | ENG | 2018-07-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2116 | 2277 | 3.50 | 4 | 0.74 | 40 | 29.60 | |
| | Tombolis, Christopher | | | 1894 | ENG | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Bin-Suhayl, Ieysaa | | | 2078 | ITA | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Clarke, Stuart Wc | f | | 2225 | ENG | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Willow, Jonah B | | | 2265 | ENG | 0.50 | 1 | -0.02 | 40 | -0.80 | |
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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