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Individual Calculations February 2013 |
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| Perelman, Leon Total change: 3.30 | |   |
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| 2012 Pan American Intercollegiate Chess Championship | Princeton, New Jersey | USA | 2012-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2069 | 2018 | 0.50 | 2 | -0.36 | 30 | -10.80 | |
|  Miller, Jake S | | | 2089 | USA | 0.50 | 1 | 0.10 | 30 | 3.00 | |  Iglesias, Enmanuel | | | 2048 | CUB | 0.00 | 1 | -0.46 | 30 | -13.80 | |
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) | | | | 2013 Hart House Winter U2200 | Toronto, Ontario | CAN | 2013-01-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1918 | 2018 | 3.00 | 4 | 0.47 | 30 | 14.10 | |
| | Oganesyan, Hayk | | | 1806 | CAN | 0.50 | 1 | -0.27 | 30 | -8.10 | | | Li, Yinshi | | | 1967 | CAN | 1.00 | 1 | 0.43 | 30 | 12.90 | | | Shebetah, Wajdy | | | 2028 | PLE | 0.50 | 1 | 0.01 | 30 | 0.30 | | | Kalra, Agastya | | | 1871 | CAN | 1.00 | 1 | 0.30 | 30 | 9.00 | |
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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