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Individual Calculations February 2023 |
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| Chester, Ian B Total change: 32.00 | |   |
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| 29th 4NCL Congress Major | Harrogate | ENG | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1803 | 1683 | 2.50 | 5 | 0.80 | 40 | 32.00 | |
|  Ward, William | | | 1850 | ENG | 0.50 | 1 | 0.22 | 40 | 8.80 | |  Cooper, Malcolm H | | | 1789 | ENG | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Gibbs, Dominic V | | | 1873 | ENG | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Williamson, Graham A | | | 1762 | SCO | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Dean, Robert A | | | 1739 | ENG | 0.50 | 1 | 0.08 | 40 | 3.20 | |
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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