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Individual Calculations September 2022 |
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| Buttell, David Total change: -56.80 | |   |
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| Chessable British Chess Championships 2022: Weekend Open (Atkins) | Torquay | ENG | 2022-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1599 | 1769 | 0.00 | 4 | -2.84 | 20 | -56.80 | |
|  Maton, Emily | | | 1517 | ENG | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Lekoudis, George | | | 1632 | ENG | 0.00 | 1 | -0.68 | 20 | -13.60 | |  Whelan, Joseph | | | 1480 | ENG | 0.00 | 1 | -0.84 | 20 | -16.80 | | | McDonnell, James J. | | | 1765 | IRL | 0.00 | 1 | -0.51 | 20 | -10.20 | |
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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