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Individual Calculations September 2017 |
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| Ercsei, Iolanda-Elisabeta Total change: 16.80 | |   |
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| 104th British Championships Under 12 | Llandudno | ENG | 2017-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1526 | 1266 | 1.00 | 3 | 0.42 | 40 | 16.80 | |
|  Hammond, Benjamin | | | 1505 | ENG | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Balouka-Myers, Raphael | | | 1414 | ENG | 1.00 | 1 | 0.70 | 40 | 28.00 | |  Hussain, Adam | | | 1659 | ENG | 0.00 | 1 | -0.08 | 40 | -3.20 | |
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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