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Individual Calculations May 2017 |
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| Surtees, Mike J Total change: -2.20 | |   |
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| 2017 Bolton Easter Congress Open | Bolton | ENG | 2017-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1970 | 2086 | 2.50 | 4 | -0.11 | 20 | -2.20 | |
|  Rita, Joao | | | 1917 | ENG | 0.50 | 1 | -0.22 | 20 | -4.40 | |  Tebelev, Michael | | | 1867 | ENG | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Mason, Donald J | | | 2147 | ENG | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Trueman, Glenn | | | 1948 | ENG | 1.00 | 1 | 0.31 | 20 | 6.20 | |
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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