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Individual Calculations May 2023 |
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| Omelchenko, Ivan Total change: 18.20 | |   |
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| Central London Chess Congress April 2023 - Open | London | ENG | 2023-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2109 | 1798 | 1.50 | 4 | 0.91 | 20 | 18.20 | |
|  Villiers, Thomas | c | | 2160 | ENG | 1.00 | 1 | 0.90 | 20 | 18.00 | |  Lalic, Peter D | c | | 2145 | ENG | 0.50 | 1 | 0.39 | 20 | 7.80 | | | Hill, Alistair | | | 2171 | ENG | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Safarian, Alek | | | 1961 | AUS | 0.00 | 1 | -0.28 | 20 | -5.60 | |
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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