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Individual Calculations May 2011 |
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| Holland, James P Total change: 23.25 | |   |
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| e2e4 Uxbridge Open | Uxbridge | ENG | 2011-03-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2098 | 2110 | 2.50 | 4 | 0.39 | 15 | 5.85 | |
|  McKerracher, Douglas | | | 1962 | SCO | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Murphy, Conor E | | | 1905 | ENG | 1.00 | 1 | 0.24 | 15 | 3.60 | |  Arkell, Keith C | g | | 2412 | ENG | 0.50 | 1 | 0.35 | 15 | 5.25 | | | Clarke, Brandon G I | | | 2111 | ENG | 0.00 | 1 | -0.50 | 15 | -7.50 | |
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) | | | | Surrey Open 2011 | Sutton | ENG | 2011-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2132 | 2110 | 4.00 | 6 | 1.16 | 15 | 17.40 | |
| | Tambini, Jasper | | | 1919 | ENG | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Costley, Martin O | | | 2173 | ENG | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Roberson, Peter T | | | 2274 | ENG | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Hoare, Amy B | | | 1916 | ENG | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Lopatin, Olga | | wf | 2114 | GER | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Rendle, Thomas E | m | | 2397 | ENG | 0.50 | 1 | 0.34 | 15 | 5.10 | |
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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