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Individual Calculations December 2019 |
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| Bussmann, John Total change: 6.60 | |   |
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| Central London Chess Congress (Major Section) 2019 | London | ENG | 2019-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1641 | 1745 | 3.50 | 5 | 0.33 | 20 | 6.60 | |
|  Chiang, Richard | | | 1577 | ENG | 0.50 | 1 | -0.22 | 20 | -4.40 | |  Portheault, Benjamin | | | 1550 | ENG | 1.00 | 1 | 0.25 | 20 | 5.00 | | | McKenna, James F | | | 1632 | ENG | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Ortolani, Paolo | | | 1602 | ITA | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Joslin, Tim | | | 1844 | ENG | 1.00 | 1 | 0.64 | 20 | 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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