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Individual Calculations September 2011 |
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| Havrilla, Mark A Total change: 0.00 | |   |
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| Portland Chess Club Centennial Open | Portland, Oregon | USA | 2011-08-12 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 2106 | 0 | 1.50 | 4 | 0.00 | 2019 | | 0.00 | |
|  Yu, Corbin Zachary | | | 2201 | USA | 0.00 | 1 | 0.00 | | 0.00 | |  May, Andy P | | | 2133 | USA | 0.00 | 1 | 0.00 | | 0.00 | | | Botez, V Alexandra | | wc | 1950 | CAN | 1.00 | 1 | 0.00 | | 0.00 | | | Patterson, Roger | | | 2141 | CAN | 0.50 | 1 | 0.00 | | 0.00 | |
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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