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Individual Calculations April 2009 |
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| Smith, Vivian J Total change: -26.70 | |   |
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| North Island Championship | Hamilton | NZL | 2008-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2001 | 1857 | 1.00 | 4 | -0.25 | 15 | -3.75 | |
|  Duneas, John | | | 2068 | NZL | 0.00 | 1 | -0.23 | 15 | -3.45 | |  Eade, Don | | | 1936 | NZL | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Bennett, Hilton | | | 2043 | NZL | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Fraemohs, Peter | | | 1955 | NZL | 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) | | | | Waikato Open 2008 | Hamilton | NZL | 2008-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1933 | 1857 | 1.00 | 4 | -0.60 | 15 | -9.00 | |
| | Bennett, Hilton | | | 2043 | NZL | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Fuatai, Fuatai | | | 2021 | NZL | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Mitchell, Robert | | | 1718 | NZL | 0.00 | 1 | -0.69 | 15 | -10.35 | | | Dolejs, Dan | | | 1951 | NZL | 1.00 | 1 | 0.63 | 15 | 9.45 | |
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) | | | | 2009 Queenstown Chess Classic incorp 116th NZL Championship | Queenstown | NZL | 2009-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1981 | 1836 | 1.00 | 6 | -0.93 | 15 | -13.95 | |
| | Bakker, Sven | | | 2186 | NED | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Fitzpatrick, Andrew | | | 2008 | AUS | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Stevens, Tristan | | | 2020 | AUS | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Harris, Rebecca | | wf | 1875 | AUS | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Mortensen, Henrik | | | 2022 | DEN | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Egan, Bill | | | 1776 | AUS | 0.50 | 1 | -0.08 | 15 | -1.20 | |
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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