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Individual Calculations January 2010 |
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| Boger, Raymond Total change: -2.70 | |   |
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| London Chess Classic Open | London | ENG | 2009-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2121 | 1959 | 2.00 | 7 | -0.18 | 15 | -2.70 | |
|  Rudd, Jack | m | | 2296 | ENG | 0.00 | 1 | -0.12 | 15 | -1.80 | |  Slavin, Alexei | f | | 2359 * | RUS | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Tarun, Malhotra | | | 1735 | IND | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Regan, Natasha K | | wm | 2174 | ENG | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Quinn, John M | | | 2161 | ENG | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Phillips, Owen S | | | 2003 | ENG | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Roberts, David L | | | 2119 | ENG | 0.00 | 1 | -0.29 | 15 | -4.35 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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