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Individual Calculations December 2015 |
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| Fathallah, Joe Total change: -5.60 | |   |
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| Welsh Chess Premier League 2015/16 Round 1 | Various | WLS | 2015-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1952 | 1975 | 0.00 | 1 | -0.53 | 20 | -10.60 | |
|  Thomas, Ben | | | 1952 | WLS | 0.00 | 1 | -0.53 | 20 | -10.60 | |
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) | | | | 48th West Wales Championship | Swansea | WLS | 2015-11-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2034 | 1975 | 1.50 | 3 | 0.25 | 20 | 5.00 | |
|  Garcia, Jason | | | 2032 | WLS | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Young, Alan | | | 2068 | WLS | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Ralphs, Nigel | | | 2001 | WLS | 1.00 | 1 | 0.54 | 20 | 10.80 | |
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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