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Individual Calculations January 2010 |
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| Kotlyar, Gregory Total change: 3.75 | |   |
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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 |
| 2239 | 2302 | 2.00 | 3 | 0.25 | 15 | 3.75 | |
|  Mackenzie, Dana N | | | 2101 | USA | 1.00 | 1 | 0.24 | 15 | 3.60 | |  Sandberg, Evan Meyer | | | 2131 | USA | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Shankland, Samuel | m | | 2486 | USA | 0.00 | 1 | -0.26 | 15 | -3.90 | |
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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