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Individual Calculations November 2018 |
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| James, Dai Total change: 37.40 | |   |
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| 4th Welsh Seniors Championship | Merthyr Tydfil | WLS | 2018-09-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1896 | 1826 | 3.50 | 4 | 1.87 | 20 | 37.40 | |
|  Van Kemenade, Rudy | | | 1982 | WLS | 1.00 | 1 | 0.71 | 20 | 14.20 | |  Davis, Lee | | | 1960 | WLS | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Waterfield, John W | | | 1923 | WLS | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Thomas, Roy | | | 1719 | WLS | 1.00 | 1 | 0.35 | 20 | 7.00 | |
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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