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Individual Calculations January 2009 |
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| Sarfati, Jonathan D Total change: -17.85 | |   |
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| Ruth Coxhill Memorial | Gold Coast | AUS | 2008-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2035 | 2262 | 7.00 | 9 | 0.14 | 15 | 2.10 | |
|  Stawski, Nikolai | f | | 2059 | AUS | 0.50 | 1 | -0.26 | 15 | -3.90 | |  Grigg, Sam | | | 1912 | AUS | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Jule, Sebastian | | | 1912 | AUS | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Muller, Jonas | | | 1975 | AUS | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Sonter, Matthew | | | 2175 | AUS | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Nakauchi, Gene | f | | 2093 | AUS | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Stahnke, Alexander | | | 1912 | AUS | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Froehlich, Peter | m | | 2362 | GER | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Ford, Daniel | | | 1912 | AUS | 0.50 | 1 | -0.39 | 15 | -5.85 | |
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) | | | | Queensland Championship | Brisbane | AUS | 2008-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1979 | 2262 | 2.00 | 4 | -1.33 | 15 | -19.95 | |
| | Lester, George E | | | 1912 | AUS | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Truscott, Anthony J. | | | 2075 | AUS | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Selnes, Hamish | | | 1928 | AUS | 0.50 | 1 | -0.38 | 15 | -5.70 | | | Lovejoy, David | | | 1999 | AUS | 0.50 | 1 | -0.32 | 15 | -4.80 | |
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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