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Individual Calculations November 2017 |
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| Toczek, Grzegorz Total change: -7.20 | |   |
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| 2017 South Wales Autumn Open | Pencoed | WLS | 2017-10-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1945 | 2258 | 4.00 | 5 | -0.28 | 20 | -5.60 | |
|  Van Kemenade, Rudy | | | 1998 | WLS | 1.00 | 1 | 0.18 | 20 | 3.60 | |  Fathallah, Joe | | | 1935 | WLS | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Turner, Joseph David | | | 1888 | WLS | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Dixon, Chris | | | 1858 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Young, Alan | | | 2044 | WLS | 1.00 | 1 | 0.23 | 20 | 4.60 | | | * 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) | | | | Welsh Chess Premier League 2017/18 Round 1 | Various | WLS | 2017-10-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2202 | 2258 | 0.50 | 1 | -0.08 | 20 | -1.60 | |
| | Kett, Tim | | | 2202 | 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) | | |
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