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Individual Calculations December 2017 |
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| Boswell, Jacob Connor Total change: -3.20 | |   |
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| 2017/18 4NCL Division 3 North Rounds 1-2 | Doncaster | ENG | 2017-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1999 | 1840 | 0.50 | 2 | -0.08 | 40 | -3.20 | |
|  Doran, Chris | | | 1973 | ENG | 0.00 | 1 | -0.32 | 40 | -12.80 | |  Hamer, Martyn | | | 2025 | ENG | 0.50 | 1 | 0.24 | 40 | 9.60 | |
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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