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Individual Calculations April 2024 |
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| Pratley, Ian Total change: -15.40 | |   |
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| Coulsdon Chess Dicky White March 2024 | Coulsdon | ENG | 2024-03-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1703 | 1645 | 0.50 | 3 | -0.77 | 20 | -15.40 | |
|  Kaddu, Mukasa (fred) | | | 1811 | ENG | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Chaban, Roxolana | | | 1707 | ENG | 0.00 | 1 | -0.41 | 20 | -8.20 | |  Howes, David J | | | 1590 | ENG | 0.50 | 1 | -0.08 | 20 | -1.60 | |
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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