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Individual Calculations November 2017 |
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| Fathallah, Joe Total change: 28.40 | |   |
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| 2017 South Wales Autumn Open | Pencoed | WLS | 2017-10-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1994 | 1935 | 3.50 | 5 | 1.42 | 20 | 28.40 | |
|  Jansen Van Rensburg, Leon | | | 1584 | WLS | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Toczek, Grzegorz | f | | 2258 | POL | 1.00 | 1 | 0.87 | 20 | 17.40 | |  Brown, Thomas | | | 2059 | WLS | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Garcia, Jason | | | 2026 | WLS | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Ralphs, Nigel | | | 2043 | WLS | 1.00 | 1 | 0.65 | 20 | 13.00 | |
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 |
| 1937 | 1935 | 0.50 | 1 | 0.00 | 20 | 0.00 | |
| | Davis, Lee | | | 1937 | WLS | 0.50 | 1 | 0.00 | 20 | 0.00 | |
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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