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Individual Calculations July 2010 |
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| Calvert, D Ian Total change: 4.50 | |   |
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| Four Nations Chess League (4NCL) | Various | ENG | 2009-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2142 | 2069 | 1.50 | 3 | 0.30 | 15 | 4.50 | |
|  Richmond, Robert J | | | 2200 | ENG | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Spice, Alan P | | | 2169 | WLS | 0.50 | 1 | 0.14 | 15 | 2.10 | |  Gregory, Keith D F | | | 2056 | ENG | 1.00 | 1 | 0.48 | 15 | 7.20 | |
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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