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Individual Calculations July 2012 |
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| Gibbons, Andrew Total change: -10.80 | |   |
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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 |
| 1931 | 1873 | 0.50 | 2 | -0.36 | 30 | -10.80 | |
|  Bullen, Alex | | | 1779 | WLS | 0.00 | 1 | -0.63 | 30 | -18.90 | | | Miles, Richard | | | 2083 | WLS | 0.50 | 1 | 0.27 | 30 | 8.10 | |
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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