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Individual Calculations May 2019 |
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| Buttell, David Total change: 6.60 | |   |
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| 2018/19 4NCL Div 4 Rounds 7 - 8 | Daventry | ENG | 2019-04-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1592 | 1809 | 0.50 | 1 | -0.28 | 20 | -5.60 | |
|  Headlong, Benjamin | | | 1592 | ENG | 0.50 | 1 | -0.28 | 20 | -5.60 | |
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) | | | | 2019 Tom Weston Memorial | Cardiff | WLS | 2019-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1759 | 1809 | 4.50 | 7 | 0.61 | 20 | 12.20 | |
| | Probert, Malcolm | | | 1585 | WLS | 1.00 | 1 | 0.22 | 20 | 4.40 | |  McIntosh, Rachel | | | 1502 | WLS | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Summers, Charles | | | 1859 | WLS | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Robinson, David | | | 1905 | WLS | 1.00 | 1 | 0.63 | 20 | 12.60 | | | Di-Vetta, Andrew | | | 1730 | WLS | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Phillips, William | | | 1843 | ENG | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Timmins, Chris P | | | 1888 | ENG | 0.00 | 1 | -0.39 | 20 | -7.80 | |
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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