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Individual Calculations February 2020 |
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| Robinson, David Total change: -3.00 | |   |
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| South Wales New Year Open 2020 | Bridgend | WLS | 2020-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1852 | 1860 | 2.50 | 5 | -0.15 | 20 | -3.00 | |
|  Kozusek, Daniel | f | | 2260 * | CZE | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Thomas, Roy | | | 1689 | WLS | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Morgans, Justin | | | 1613 | WLS | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Clark, Ian C | | | 1957 | ENG | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Sivarajasingam, Venetia | | wc | 1742 | WLS | 0.00 | 1 | -0.66 | 20 | -13.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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