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Individual Calculations September 2011 |
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| Williamson, Roger G Total change: -8.40 | |   |
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| British Championship - Major Open 2011 | Sheffield | ENG | 2011-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1984 | 2165 | 4.50 | 7 | -0.56 | 15 | -8.40 | |
|  Patrick, David A | | | 1968 | ENG | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Sivakumar, Athman | | | 1823 | ENG | 1.00 | 1 | 0.12 | 15 | 1.80 | |  Patel, Shyamal C | | | 1992 | ENG | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Guo, Xi-Yang | | | 1848 | ENG | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Webb, Matthew D | | | 2065 | ENG | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Tavoularis, Nicholas | | | 2125 | GRE | 0.00 | 1 | -0.56 | 15 | -8.40 | | | McCullough, Simon L | | | 2068 | ENG | 0.50 | 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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