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Individual Calculations September 2017 |
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| McLaren, Charlie Total change: 15.60 | |   |
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| 104th British Championships Under 2050 | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1850 | 1795 | 2.50 | 5 | 0.39 | 40 | 15.60 | |
|  Wells, Jonathan C | | | 2037 | ENG | 0.50 | 1 | 0.30 | 40 | 12.00 | |  Batchelor, Guy J | | | 1944 | ENG | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Shengold, Jeffrey | | | 1509 | FRA | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Hall, Alan A | | | 1833 | ENG | 1.00 | 1 | 0.55 | 40 | 22.00 | | | Thynne, Trefor F | | | 1927 | ENG | 0.00 | 1 | -0.32 | 40 | -12.80 | |
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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