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Individual Calculations September 2012 |
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| Zhang, William Jie Wen Total change: 30.30 | |   |
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| Auckland Centre 'B' Grade Championship | Auckland | NZL | 2012-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1890 | 1808 | 3.50 | 4 | 1.94 | 15 | 29.10 | |
|  Ward, Keith | | | 1950 | NZL | 1.00 | 1 | 0.69 | 15 | 10.35 | |  Brimble, Mark | | | 1981 | NZL | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Eade, Don | | | 1862 | NZL | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Tsoi, Nicole | | wf | 1766 | NZL | 1.00 | 1 | 0.44 | 15 | 6.60 | |
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) | | | | Waikato Open Championship | Hamilton | NZL | 2012-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1986 | 1822 | 2.00 | 6 | 0.08 | 15 | 1.20 | |
| | Hart, Ralph | | | 2209 | NZL | 1.00 | 1 | 0.91 | 15 | 13.65 | | | Shierlaw, Hamish | | | 1609 | NZL | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Noble, Mark F | f | | 2222 * | NZL | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Duneas, John | | | 2083 | NZL | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Lynn, K William | | | 1917 | NZL | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Dolejs, Dan | | | 1873 | NZL | 0.00 | 1 | -0.43 | 15 | -6.45 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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