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Individual Calculations June 2013 |
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| Thomas, Ben Total change: 2.55 | |   |
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| Welsh Chess Premier League Round 6-7 | various | WLS | 2013-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1992 | 1713 | 0.50 | 2 | 0.17 | 15 | 2.55 | |
|  Guy, David | | | 1965 | WLS | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Van Kemenade, Rudy | | | 2019 | WLS | 0.50 | 1 | 0.36 | 15 | 5.40 | |
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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