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Individual Calculations September 2011 |
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| Janniro, Mike E Total change: 2.85 | |   |
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| Portland Chess Club Centennial Open | Portland, Oregon | USA | 2011-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2227 | 2085 | 1.50 | 4 | 0.19 | 15 | 2.85 | |
|  Sinanan, Joshua C | | | 2273 | USA | 1.00 | 1 | 0.74 | 15 | 11.10 | |  Lee, Michael | f | | 2395 | USA | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Gay, Daniel Zachary | | | 2087 | USA | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Golub, David | | | 2152 | USA | 0.50 | 1 | 0.09 | 15 | 1.35 | |
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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