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Individual Calculations December 2012 |
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| Roberts, Mike Total change: 15.15 | |   |
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| Wellington CC Championship B Grade | Wellington | NZL | 2012-08-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1877 | 1836 | 2.50 | 4 | 0.72 | 30 | 21.60 | |
|  Timergazi, Layla | | | 1786 | NZL | 1.00 | 1 | 0.43 | 30 | 12.90 | |  Aldridge, Alan | | | 1931 | NZL | 0.00 | 1 | -0.37 | 30 | -11.10 | | | Farrington, Lawrence | | | 1842 | NZL | 0.50 | 1 | 0.01 | 30 | 0.30 | | | Rama, Rao Miriyala | | | 1947 | IND | 1.00 | 1 | 0.65 | 30 | 19.50 | |
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) | | | NOTE: K factor changed | | New Zealand Seniors' Championship | Mt. Maunganui | NZL | 2012-10-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1954 | 1836 | 1.00 | 4 | -0.43 | 15 | -6.45 | |
| | Cornford, Lindsay | | | 2158 | NZL | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Courtney, Helen | | | 1950 | NZL | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Milligan, Helen | | wf | 1969 | NZL | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Smith, Vivian | | wf | 1737 | NZL | 0.00 | 1 | -0.64 | 15 | -9.60 | |
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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