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Individual Calculations February 2013 |
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| Black, James A Total change: 23.70 | |   |
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| 22nd Annual North American Open - Open Section | Las Vegas, Nevada | USA | 2012-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2297 | 2163 | 4.50 | 9 | 1.58 | 15 | 23.70 | |
|  Troff, Kayden W | f | | 2365 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | |  Zenyuk, Iryna | c | wm | 2250 | USA | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Harmon-Vellotti, Luke | f | | 2338 | USA | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Brown, Michael William | | | 2246 | USA | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Barnett, Alex | | | 2243 | USA | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Adelberg, David Todd | | | 2241 | USA | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Carreto, Giovanni | c | | 2246 | MEX | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Sevian, Samuel | f | | 2343 | USA | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Cheng, Bindi | m | | 2397 | CAN | 0.00 | 1 | -0.21 | 15 | -3.15 | |
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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