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Individual Calculations July 2012 |
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| Van Kemenade, Rudy Total change: 2.10 | |   |
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| Welsh Chess Premier League Round 4-7 | Various | WLS | 2012-01-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1909 | 1984 | 2.50 | 4 | 0.14 | 15 | 2.10 | |
|  Harley-Yeo, Gareth | | | 1978 | WLS | 0.00 | 1 | -0.51 | 15 | -7.65 | |  Rodgers, Philippe | | | 1690 | WLS | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Turner, Joseph David | | | 2013 | WLS | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Perrett, David C | | | 1956 | WLS | 0.50 | 1 | -0.04 | 15 | -0.60 | |
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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