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Individual Calculations November 2009 |
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| Zierk, Steven C Total change: 3.00 | |   |
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| 2009 CalChess Labor Day Championships | San Francisco, California | USA | 2009-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2166 | 2303 | 3.50 | 5 | 0.20 | 15 | 3.00 | |
|  Sandberg, Evan | | | 2130 | USA | 1.00 | 1 | 0.27 | 15 | 4.05 | |  Heiserman, Jimmy P | | | 2176 | USA | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Aigner, Michael | | | 2224 | USA | 1.00 | 1 | 0.39 | 15 | 5.85 | | | De Guzman, Ricardo | m | | 2395 | PHI | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Cohen, Micah | | | 1906 | USA | 1.00 | 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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