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Individual Calculations May 2018 |
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| Mazek, Marek Total change: 18.20 | |   |
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| 18th 4NCL Congress Open | Doncaster | ENG | 2018-04-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2152 | 2067 | 2.50 | 4 | 0.91 | 20 | 18.20 | |
|  Sheppard, Derek Alan | | | 1767 | ENG | 1.00 | 1 | 0.15 | 20 | 3.00 | |  Wells, Peter K | g | | 2433 | ENG | 0.50 | 1 | 0.40 | 20 | 8.00 | | | Shaw, Peter | | | 2122 | ENG | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Walker, David J | f | | 2285 | ENG | 0.00 | 1 | -0.22 | 20 | -4.40 | |
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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