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Individual Calculations December 2022 |
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| Grigoryan, Meri Total change: -28.60 | |   |
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| Central London Chess Congress - Imperial College - Open | London | ENG | 2022-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1992 | 1990 | 0.00 | 3 | -1.43 | 20 | -28.60 | |
|  Onslow, Alfie | | | 2115 | ENG | 0.00 | 1 | -0.33 | 20 | -6.60 | |  Lalic, Peter D | c | | 2197 | ENG | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Bastianello, Federico | | | 1664 | ITA | 0.00 | 1 | -0.87 | 20 | -17.40 | |
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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