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Individual Calculations September 2011 |
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| Song, Edward Total change: 72.30 | |   |
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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 |
| 2020 | 1848 | 1.50 | 2 | 0.95 | 30 | 28.50 | |
|  Song, Michael | | | 2065 | CAN | 1.00 | 1 | 0.78 | 30 | 23.40 | |  Preotu, Razvan | | | 1974 | CAN | 0.50 | 1 | 0.17 | 30 | 5.10 | |
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) | | | | 2011 Cleveland Open | Cleveland, Ohio | USA | 2011-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2033 | 1848 | 2.00 | 2 | 1.46 | 30 | 43.80 | |
| | Friedman, David M | | | 1944 | USA | 1.00 | 1 | 0.63 | 30 | 18.90 | | | Smarty, Sylvester | | | 2122 | USA | 1.00 | 1 | 0.83 | 30 | 24.90 | |
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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