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Individual Calculations May 2017 |
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| Mason, Donald J Total change: -26.00 | |   |
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| 13th 4NCL Congress Open | Wakefield | ENG | 2017-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1995 | 2147 | 2.50 | 5 | -0.98 | 20 | -19.60 | |
|  Jaszkiwskyj, Peter | | | 1965 | ENG | 1.00 | 1 | 0.26 | 20 | 5.20 | |  Moore, Gerald | | | 2057 | ENG | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Nicholson, Jim Wr | | | 2010 | ENG | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Murphy, Conor E | | | 2077 | ENG | 0.00 | 1 | -0.60 | 20 | -12.00 | | | James, Chris | | | 1866 | SCO | 0.50 | 1 | -0.34 | 20 | -6.80 | |
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) | | | | 2017 Bolton Easter Congress Open | Bolton | ENG | 2017-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2010 | 2147 | 3.00 | 5 | -0.32 | 20 | -6.40 | |
| | Rita, Joao | | | 1917 | ENG | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Taylor, Mark | | | 1808 | ENG | 0.50 | 1 | -0.38 | 20 | -7.60 | | | White, Stuart A | | | 2064 | SCO | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Surtees, Mike J | | | 2086 | ENG | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Jones, Steven A | | | 2177 | ENG | 0.00 | 1 | -0.46 | 20 | -9.20 | |
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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