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Individual Calculations October 2017 |
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| Obi, Marc On Total change: -34.80 | |   |
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| 15th 4NCL Congress Major | Doncaster | ENG | 2017-09-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1731 | 1802 | 2.00 | 5 | -0.87 | 40 | -34.80 | |
|  Whitehead, Mark A | | | 1847 | ENG | 0.00 | 1 | -0.44 | 40 | -17.60 | |  Brown, Geoffrey D | | | 1555 | ENG | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Ter-Gevorkian, Aram | | | 1922 | GRE | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Wiratunga, Jenith Ay | | | 1462 | ENG | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Riding, Mick D | | | 1871 | ENG | 0.00 | 1 | -0.40 | 40 | -16.00 | |
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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