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Individual Calculations April 2015 |
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| Wells, Jonathan Total change: 15.40 | |   |
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| 3rd Bexhill-on-Sea U2200 Weekend Chess Congress | Bexhill | ENG | 2015-02-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1941 | 1979 | 3.50 | 5 | 0.77 | 20 | 15.40 | |
|  Hand, Freddie | | | 1747 | ENG | 0.50 | 1 | -0.29 | 20 | -5.80 | |  Fryer, David | | | 1994 | ENG | 1.00 | 1 | 0.52 | 20 | 10.40 | | | Wilks, Simon | | | 1935 | ENG | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Othman, Mustapha | | | 2012 | ENG | 1.00 | 1 | 0.55 | 20 | 11.00 | | | Kalaiyalahan, Akshaya | | | 2015 | ENG | 0.50 | 1 | 0.05 | 20 | 1.00 | |
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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