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Individual Calculations September 2011 |
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| Doknjas, John Total change: -34.50 | |   |
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| 2011 CAN Youth Ch U12 Open | Richmond Hill, Ontario | CAN | 2011-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1878 | 1931 | 0.50 | 2 | -0.65 | 30 | -19.50 | |
|  Cao, Jason | f | | 1925 | CAN | 0.00 | 1 | -0.51 | 30 | -15.30 | | | Bellissimo, Joseph | | | 1831 | CAN | 0.50 | 1 | -0.14 | 30 | -4.20 | |
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) | | | | Portland Chess Club Centennial Open | Portland, Oregon | USA | 2011-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2127 | 1931 | 0.00 | 2 | -0.50 | 30 | -15.00 | |
| | Gutman, Richard G | | | 2109 | USA | 0.00 | 1 | -0.27 | 30 | -8.10 | |  Heywood, Bill | | | 2144 | USA | 0.00 | 1 | -0.23 | 30 | -6.90 | |
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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