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Individual Calculations April 2009 |
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| Brockman, Roland Total change: -21.60 | |   |
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| 2009 Queenstown Chess Classic incorp 116th NZL Championship | Queenstown | NZL | 2009-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1896 | 1786 | 1.50 | 6 | -0.68 | 15 | -10.20 | |
|  Stojic, Dusan | | | 2136 | AUS | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Harris, Rebecca | | wf | 1875 | AUS | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Goodhue, Nathan | | | 2009 | NZL | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Oliver, Shannon | | wf | 1937 | AUS | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Watson, Jean | | | 1505 | AUS | 0.50 | 1 | -0.34 | 15 | -5.10 | | | Gao, Judy | | | 1911 | NZL | 0.00 | 1 | -0.33 | 15 | -4.95 | |
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) | | | | Ballarat Begonia Open | Ballarat | AUS | 2009-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1983 | 1786 | 0.00 | 3 | -0.76 | 15 | -11.40 | |
| | Juszczynski, Mathew | | | 1919 | AUS | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Dizdarevic, Mehmedalija | | | 2102 | BIH | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Tsagarakis, Angelo | | | 1927 | AUS | 0.00 | 1 | -0.31 | 15 | -4.65 | |
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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