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Individual Calculations February 2013 |
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| Song, Edward Total change: 12.15 | |   |
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| 2012 Motor City Open | Auburn Hills, Michigan | USA | 2012-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2116 | 2059 | 2.50 | 4 | 0.68 | 15 | 10.20 | |
|  Chen, Michael L | | | 2019 | USA | 1.00 | 1 | 0.44 | 15 | 6.60 | |  Finegold, Benjamin P | g | | 2459 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Deatrick, Alexander | | | 1931 | USA | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Davidovich, Manis | | | 2054 | USA | 1.00 | 1 | 0.49 | 15 | 7.35 | | | * 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) | | | | 22nd Annual North American Open - U2300 Section | Las Vegas, Nevada | USA | 2012-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2192 | 2074 | 1.50 | 4 | 0.13 | 15 | 1.95 | |
| | Akopyan, Harutyun | f | | 2199 | USA | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Rieb, Kyle C | | | 2141 | USA | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Ashe, Brandon | | | 2210 | USA | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Langer, Michael | f | | 2219 | USA | 0.00 | 1 | -0.31 | 15 | -4.65 | |
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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