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Individual Calculations September 2009 |
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| Gibbons, Robert Total change: 5.10 | |   |
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| Waikato Open 2009 | Hamilton | NZL | 2009-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2081 | 1987 | 1.50 | 3 | 0.34 | 15 | 5.10 | |
|  Spain, Graeme | | | 2217 | NZL | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Steadman, Michael | | | 2261 | NZL | 0.50 | 1 | 0.33 | 15 | 4.95 | | | Ward, Simon | | | 1764 | NZL | 1.00 | 1 | 0.22 | 15 | 3.30 | |
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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