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Individual Calculations September 2019 |
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| Bird, Joel Total change: 4.20 | |   |
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| 106th British Championships Under 2050 | Torquay | ENG | 2019-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1824 | 1988 | 3.00 | 4 | 0.21 | 20 | 4.20 | |
|  Stern, Robert C | | | 1865 | ENG | 0.50 | 1 | -0.17 | 20 | -3.40 | |  Parry, Samuel A | | | 1607 | ENG | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Everett, Joe | | | 1948 | ENG | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Woolacott, Samuel J | | | 1876 | ENG | 0.50 | 1 | -0.15 | 20 | -3.00 | |
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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