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Individual Calculations January 2018 |
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| Grey, Nicholas D Total change: -24.40 | |   |
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| 9th CSC London Chess Classic: Weekday U1750 | London | ENG | 2017-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1537 | 1720 | 1.00 | 3 | -1.22 | 20 | -24.40 | |
|  Helps, David | | | 1555 | ENG | 0.50 | 1 | -0.22 | 20 | -4.40 | |  Bynnersley, Ag (tony) | | | 1527 | ENG | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Sellen, John R | | | 1528 | ENG | 0.00 | 1 | -0.75 | 20 | -15.00 | |
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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