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Individual Calculations May 2019 |
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| Surtees, Mike J Total change: 13.20 | |   |
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| English Seniors Championship Over 65 2019 | Solihull | ENG | 2019-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2006 | 2087 | 4.50 | 6 | 0.86 | 20 | 17.20 | |
|  Calvert, D Ian | | | 1921 | ENG | 0.50 | 1 | -0.22 | 20 | -4.40 | |  Hardy, Roger | | | 1871 | ENG | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Willetts, Graham J | | | 1969 | ENG | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Tucker, David S | | | 1980 | ENG | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Shephard, Chris Cw | | | 2190 | ENG | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Page, Mark E | | | 2107 | ENG | 1.00 | 1 | 0.53 | 20 | 10.60 | |
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 Bolton Easter Congress | Bolton | ENG | 2019-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2056 | 2087 | 2.00 | 4 | -0.20 | 20 | -4.00 | |
| | Tyton, Adam | | | 1866 | ENG | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Kobryn, Peter J | | | 1884 | ENG | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Mason, Donald J | | | 2065 | ENG | 0.50 | 1 | -0.03 | 20 | -0.60 | | | McPhillips, Joseph | m | | 2407 | ENG | 0.00 | 1 | -0.13 | 20 | -2.60 | |
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) | | |
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