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Individual Calculations July 2010 |
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| Jackson, L. Ross Total change: -18.75 | |   |
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| Wellington Open 2010 | Wellington | NZL | 2010-05-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2042 | 1985 | 1.00 | 3 | -0.38 | 15 | -5.70 | |
|  Dive, Russell John | m | | 2371 | NZL | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Forster, William | | | 1928 | NZL | 0.00 | 1 | -0.58 | 15 | -8.70 | |  Capper, David | | | 1827 | NZL | 1.00 | 1 | 0.29 | 15 | 4.35 | |
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) | | | | 33rd Waitakere Open | Auckland | NZL | 2010-06-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2009 | 1985 | 1.50 | 5 | -0.87 | 15 | -13.05 | |
| | Hart, Ralph | | | 2226 | NZL | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Shen, Daniel | | | 2161 | NZL | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Maroroa, Sue | | wm | 1926 | NZL | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Eade, Don | | | 1920 | NZL | 0.00 | 1 | -0.59 | 15 | -8.85 | | | Michael, Andrew | | | 1812 | NZL | 1.00 | 1 | 0.27 | 15 | 4.05 | |
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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