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Individual Calculations June 2017 |
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| May, Frank Total change: 4.80 | |   |
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| Welsh Chess Premier League 2016/17 Round 5 | Merthyr | WLS | 2017-05-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2271 | 2090 | 0.50 | 1 | 0.24 | 20 | 4.80 | |
|  Williams, A. Howard | f | | 2271 | WLS | 0.50 | 1 | 0.24 | 20 | 4.80 | |
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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