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Individual Calculations July 2012 |
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| Chastukhin, Oleksandr Total change: -13.80 | |   |
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| 54th Gem City Open | Dayton, Ohio | USA | 2012-06-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2015 | 2160 | 3.00 | 5 | -0.46 | 30 | -13.80 | |
|  Smarty, Sylvester | | | 2010 | USA | 0.00 | 1 | -0.70 | 30 | -21.00 | |  Magar, Thomas | | | 2079 | USA | 0.00 | 1 | -0.61 | 30 | -18.30 | | | Whorton, Les | | | 2054 | USA | 1.00 | 1 | 0.36 | 30 | 10.80 | | | Hayes, John | | | 1962 | USA | 1.00 | 1 | 0.24 | 30 | 7.20 | | | Belanoff, Ted | | | 1971 | USA | 1.00 | 1 | 0.25 | 30 | 7.50 | |
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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