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Individual Calculations February 2013 |
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| Christiansen, Natasha C Total change: -16.65 | |   |
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| 22nd Annual North American Open - U2300 Section | Las Vegas, Nevada | USA | 2012-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2071 | 1892 | 0.50 | 5 | -0.85 | 15 | -12.75 | |
|  Ruiz Gonzalez, Guillermo | f | | 2109 | MEX | 0.00 | 1 | -0.22 | 15 | -3.30 | |  Lee, Nathan Y | | | 2139 | USA | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Sen, Samir | | | 2153 | USA | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Hilby, Craig | | | 1962 | USA | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Anderson, Craig R | | | 1991 | USA | 0.00 | 1 | -0.36 | 15 | -5.40 | |
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 Boston Chess Congress - Major Section | Boston, Massachusetts | USA | 2013-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2092 | 1892 | 0.50 | 3 | -0.26 | 15 | -3.90 | |
| | Terrie, Henry L | | | 1984 | USA | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Miller, Jake S | | | 2089 | USA | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Colas, Joshua | | | 2204 | USA | 0.00 | 1 | -0.14 | 15 | -2.10 | |
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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