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Individual Calculations December 2018 |
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| Toczek, Grzegorz Total change: -6.20 | |   |
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| Welsh Chess Premier League 2018/2019 Round 1 | Various | WLS | 2018-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2206 | 2263 | 0.50 | 1 | -0.08 | 20 | -1.60 | |
|  Kett, Tim | | | 2206 | WLS | 0.50 | 1 | -0.08 | 20 | -1.60 | |
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) | | | | 2018 South Wales Autumn Open | Newport | WLS | 2018-11-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1962 | 2263 | 4.00 | 5 | -0.23 | 20 | -4.60 | |
|  Waterfield, John W | | | 1929 | WLS | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Pleasants, Allan J | | | 2064 | WLS | 0.00 | 1 | -0.76 | 20 | -15.20 | | | May, Adam J | | | 1913 | WLS | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Cizek, Ondrej | | | 1863 * | CZE | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Young, Alan | | | 2040 | WLS | 1.00 | 1 | 0.22 | 20 | 4.40 | | | * 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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