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Individual Calculations April 2023 |
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| Rosenbach, Martin Total change: 0.20 | |   |
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| Coulsdon Chess Dicky White - March | London | ENG | 2023-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1673 | 1772 | 2.50 | 4 | 0.01 | 20 | 0.20 | |
|  George, Olufemi | | | 1734 | NGR | 0.50 | 1 | -0.05 | 20 | -1.00 | |  Warner, Dominic W J | | | 1502 | ENG | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Jackson, Paul G | | | 1602 | ENG | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Howell, Chris I | | | 1853 | ENG | 0.00 | 1 | -0.39 | 20 | -7.80 | |
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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