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Individual Calculations October 2018 |
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| Osborne, Marcus E Total change: -12.00 | |   |
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| 65th Hampstead Weekend Congress Under 2200 | London | ENG | 2018-09-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1904 | 2143 | 2.50 | 4 | -0.60 | 20 | -12.00 | |
|  Wei, Naomi | | | 1781 | ENG | 1.00 | 1 | 0.10 | 20 | 2.00 | |  Lundback, Anders L | | | 1833 | SWE | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Jones, Steven A | | | 2140 | ENG | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Lees, Fraser A | | | 1863 | SCO | 0.50 | 1 | -0.34 | 20 | -6.80 | |
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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