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Individual Calculations November 2009 |
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| Archer-Lock, Adrian Total change: 14.50 | |   |
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| 45th Berks and Bucks Challengers | Twyford | ENG | 2009-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1869 | 1856 | 2.50 | 4 | 0.58 | 25 | 14.50 | |
|  Jain, Radha | | | 1788 | ENG | 0.50 | 1 | -0.09 | 25 | -2.25 | | | Tandi, Edward | | | 1889 | ENG | 1.00 | 1 | 0.55 | 25 | 13.75 | |  Sanders, Isaac B | | | 1855 | ENG | 1.00 | 1 | 0.50 | 25 | 12.50 | | | Holland, James P | | | 1943 | ENG | 0.00 | 1 | -0.38 | 25 | -9.50 | |
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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