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Individual Calculations May 2011 |
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| Peterson, Tony Total change: 18.50 | |   |
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| Southend Open 2011 | Southend | ENG | 2011-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2059 | 2145 | 5.00 | 7 | 0.74 | 25 | 18.50 | |
|  Quinn, Joseph R | | | 1829 | ENG | 1.00 | 1 | 0.13 | 25 | 3.25 | |  Wallis, Ian J | | | 1977 | ENG | 1.00 | 1 | 0.28 | 25 | 7.00 | | | Gregory, Stephen J | | | 2099 | ENG | 0.50 | 1 | -0.06 | 25 | -1.50 | | | Haydon, David L | | | 2247 | ENG | 0.00 | 1 | -0.36 | 25 | -9.00 | | | Heaton, Paul | | | 2045 | ENG | 0.50 | 1 | -0.14 | 25 | -3.50 | | | Millward, David J | | | 2038 | ENG | 1.00 | 1 | 0.35 | 25 | 8.75 | | | Walton, Alan J | c | | 2175 | ENG | 1.00 | 1 | 0.54 | 25 | 13.50 | |
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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