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Individual Calculations May 2011 |
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| Roberson, Peter T Total change: 11.55 | |   |
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| Surrey Open 2011 | Sutton | ENG | 2011-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2174 | 2274 | 4.50 | 6 | 0.77 | 15 | 11.55 | |
|  McCullough, Simon L | | | 2036 | ENG | 1.00 | 1 | 0.20 | 15 | 3.00 | |  Seymour, Timothy P | | | 2044 | ENG | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Holland, James P | | | 2110 | ENG | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Buckley, Graeme N | m | | 2394 | ENG | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Williams, Simon K | g | | 2507 | ENG | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Lalic, Peter D | | | 1951 | ENG | 1.00 | 1 | 0.13 | 15 | 1.95 | |
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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