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Individual Calculations September 2015 |
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| Boswell, Jacob Connor Total change: 25.60 | |   |
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| 102nd British Chess Championships Under 15 | Coventry | ENG | 2015-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1722 | 1558 | 3.00 | 6 | 1.15 | 40 | 46.00 | |
|  Dalton, Joseph | | | 1825 | ENG | 0.00 | 1 | -0.18 | 40 | -7.20 | |  Haridas, Girinath | | | 1958 * | ENG | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Ivanov, Elizabeth | | | 1517 | ENG | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Remus Elliot, Luke | | | 1577 | ENG | 1.00 | 1 | 0.53 | 40 | 21.20 | | | Idle, Oscar | | | 1692 | ENG | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Mulay, Partha | | | 1760 | ENG | 1.00 | 1 | 0.76 | 40 | 30.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 102nd British Chess Championships Under 14 | Coventry | ENG | 2015-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1685 | 1558 | 1.50 | 6 | -0.51 | 40 | -20.40 | |
| | Golding, James | | | 1814 | ENG | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Wen, Jackson | | | 1688 | ENG | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Hinterreither, Nikolai | | | 1722 | ENG | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Rocco, Federico | | | 1721 | ENG | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Jina, Asha | | | 1508 | ENG | 0.00 | 1 | -0.57 | 40 | -22.80 | | | Balouka Myers, Gabriel | | | 1656 | ENG | 0.00 | 1 | -0.37 | 40 | -14.80 | |
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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