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Individual Calculations January 2018 |
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| Wells, Tony D Total change: 15.20 | |   |
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| 9th CSC London Chess Classic: Weekday U2050 | London | ENG | 2017-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1707 | 1831 | 3.00 | 4 | 0.38 | 40 | 15.20 | |
|  Collard, Armell E | | | 1700 | ENG | 1.00 | 1 | 0.32 | 40 | 12.80 | |  John, Joshua | | | 1525 | ENG | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Marsina, Stefan | | | 1905 | SVK | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Saravanan, Aadarsh | | | 1697 | ENG | 1.00 | 1 | 0.32 | 40 | 12.80 | |
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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