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Individual Calculations July 2010 |
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| Coraretti, Benjami Total change: 30.90 | |   |
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| 19th Annual Chicago Open | Wheeling, Illinois | USA | 2010-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2198 | 2009 | 4.00 | 9 | 1.68 | 15 | 25.20 | |
|  Shankar, Gauri | f | | 2289 | IND | 0.00 | 1 | -0.16 | 15 | -2.40 | |  Michaelides, Matthew | | | 2157 | USA | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Betaneli, Alex | f | | 2260 | USA | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Hoover, Nathan E | | | 2151 | USA | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Weeramantry, Sunil | f | | 2179 | SRI | 1.00 | 1 | 0.72 | 15 | 10.80 | | | Holroyd, Kenneth J | | | 2150 | USA | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Daly, Troy | | | 2137 | USA | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Jaen, Miguel | | | 2232 | PAN | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Adu, Oladapo O | m | | 2231 | NGR | 0.50 | 1 | 0.28 | 15 | 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) | | | | 52nd Gem City Open | Dayton, Ohio | USA | 2010-06-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2132 | 2009 | 1.50 | 3 | 0.38 | 15 | 5.70 | |
| | Smarty, Slyvester | | | 2057 | USA | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Friedman, David | | | 1929 | USA | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Goldin, Alex | g | | 2409 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * 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) | | |
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