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Individual Calculations January 2019 |
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| Ackley, Peter J E Total change: 1.20 | |   |
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| Preston Chess Congress 2018 | Preston | ENG | 2018-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1964 | 2026 | 3.00 | 5 | 0.06 | 20 | 1.20 | |
|  Zhu, Yaoyao | | | 1816 | ENG | 0.50 | 1 | -0.27 | 20 | -5.40 | |  Patrick, David A | | | 1880 | ENG | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Kolbus, Dietmar | m | | 2305 | GER | 0.50 | 1 | 0.34 | 20 | 6.80 | | | Dobson, Graham | | | 1846 | ENG | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Hopkins, Kit W | | | 1975 | ENG | 0.00 | 1 | -0.57 | 20 | -11.40 | |
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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