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Individual Calculations September 2011 |
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| Florea, Alexandru Total change: 60.60 | |   |
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| 48th Canadian Open Chess Championship 2011 | Toronto, Ontario | CAN | 2011-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2110 | 1930 | 2.50 | 6 | 0.82 | 30 | 24.60 | |
|  Krnan, Tomas | m | | 2330 * | CAN | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Abrahams, Daniel | | | 2003 | CAN | 0.50 | 1 | 0.10 | 30 | 3.00 | |  Pitre, Ron | | | 2111 | CAN | 0.50 | 1 | 0.24 | 30 | 7.20 | | | Itkin, David | | | 2025 | CAN | 0.50 | 1 | 0.13 | 30 | 3.90 | | | Reshef, Omer | | | 2145 | ISR | 0.00 | 1 | -0.23 | 30 | -6.90 | | | Tot, Nandor | | | 2047 | CAN | 1.00 | 1 | 0.66 | 30 | 19.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 |
| 2116 | 1930 | 2.50 | 5 | 1.20 | 30 | 36.00 | |
| | Pendergast, Michael | | | 2160 | USA | 0.00 | 1 | -0.21 | 30 | -6.30 | | | Williams, John M | | | 2106 | USA | 0.50 | 1 | 0.23 | 30 | 6.90 | | | Bartron, Paul | f | | 2100 | USA | 1.00 | 1 | 0.72 | 30 | 21.60 | | | Ummel, Igor | | | 2082 | USA | 0.50 | 1 | 0.20 | 30 | 6.00 | | | May, Andy P | | | 2133 | USA | 0.50 | 1 | 0.26 | 30 | 7.80 | |
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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