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Individual Calculations December 2021 |
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| Ortolani, Paolo Total change: -11.80 | |   |
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| Central London Chess Congress - Open | London | ENG | 2021-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1841 | 1640 | 1.00 | 1 | 0.76 | 20 | 15.20 | |
|  Lundback, Anders | | | 1841 | SWE | 1.00 | 1 | 0.76 | 20 | 15.20 | |
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) | | | | Central London Chess Congress - Major | London | ENG | 2021-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1676 | 1640 | 0.50 | 4 | -1.35 | 20 | -27.00 | |
| | Fenwick, Hugh F | | | 1888 | ENG | 0.00 | 1 | -0.19 | 20 | -3.80 | |  Chrisidis, Pavlos | | | 1828 | GRE | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Lekic, Dejan | | | 1501 | ENG | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Portheault, Benjamin | | | 1486 | ENG | 0.00 | 1 | -0.71 | 20 | -14.20 | |
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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