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Individual Calculations January 2010 |
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| De Guzman, Ricardo Total change: 2.40 | |   |
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| CalChess Annual State Championship 2009 | Santa Clara, California | USA | 2009-11-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2338 | 2404 | 2.00 | 3 | 0.24 | 10 | 2.40 | |
|  Zierk, Steven C | f | | 2306 | USA | 0.50 | 1 | -0.13 | 10 | -1.30 | | | Shankland, Samuel | m | | 2486 | USA | 0.50 | 1 | 0.11 | 10 | 1.10 | |  Aigner, Michael | | | 2221 | USA | 1.00 | 1 | 0.26 | 10 | 2.60 | |
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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