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Individual Calculations January 2018 |
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| Onslow, Alfie Total change: -18.00 | |   |
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| London Junior Chess Championships Northwick Park Open 2017 | London | ENG | 2017-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1901 | 2022 | 1.50 | 3 | -0.45 | 40 | -18.00 | |
|  Kirupakaran, Vishnu | | | 1774 | ENG | 0.00 | 1 | -0.81 | 40 | -32.40 | |  Boswell, Jacob Connor | | | 1837 | ENG | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Armstrong, Malcolm J | | | 2092 | ENG | 0.50 | 1 | 0.10 | 40 | 4.00 | |
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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