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Individual Calculations September 2009 |
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| Vlietstra, Marc Total change: -64.65 | |   |
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| Huntingdale Masters | Perth | AUS | 2009-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2087 | 2075 | 2.50 | 9 | -1.86 | 15 | -27.90 | |
|  Dunlop, Gordon | | | 1915 | AUS | 1.00 | 1 | 0.29 | 15 | 4.35 | |  Barber, Haydn J. | f | | 2178 | AUS | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Kurniawan, Stephanus | | | 2284 | AUS | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Roza, Peter | | | 2057 | AUS | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Hare, Tim | | | 2146 | NZL | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Boyd, Tristan | | | 2279 | AUS | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Donaldson, Thomas | | | 2065 | AUS | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Choong, Yita | | | 1897 | AUS | 0.00 | 1 | -0.73 | 15 | -10.95 | | | Holland, Dennis | | | 1963 | AUS | 0.00 | 1 | -0.65 | 15 | -9.75 | |
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) | | | | Oceania Zonal Open | Gold Coast | AUS | 2009-06-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1954 | 2075 | 1.50 | 6 | -2.45 | 15 | -36.75 | |
| | Canfell, Gregory | f | | 2327 | AUS | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Jule, Alexandra | | wm | 1928 | AUS | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Selnes, Hamish | | | 1921 | AUS | 0.00 | 1 | -0.71 | 15 | -10.65 | | | Rachmadi, Herman | | | 1842 | AUS | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Lester, George E | | | 1801 | AUS | 0.00 | 1 | -0.83 | 15 | -12.45 | | | Goundar, Sanmogam | | | 1903 | FIJ | 0.00 | 1 | -0.73 | 15 | -10.95 | |
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) | | |
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