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Individual Calculations January 2011 |
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| Xin, Samuel L Total change: -32.00 | |   |
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| 37th Lipkin/Pfefferkorn Open - Tracy Callis Memorial | Greensboro, North Carolina | USA | 2010-10-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2165 | 2060 | 0.00 | 2 | -0.71 | 25 | -17.75 | |
|  Mu, Joshua | | | 2152 | USA | 0.00 | 1 | -0.37 | 25 | -9.25 | | | Moon, Ryan Joseph | | | 2178 | USA | 0.00 | 1 | -0.34 | 25 | -8.50 | |
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) | | | | 41st Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2010-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2145 | 2065 | 1.00 | 4 | -0.57 | 25 | -14.25 | |
|  Mabe, Chris J | | | 2191 | USA | 0.00 | 1 | -0.33 | 25 | -8.25 | | | Terrie, Henry L | | | 2089 | USA | 1.00 | 1 | 0.53 | 25 | 13.25 | | | Pressman, Leif A | | | 2140 | USA | 0.00 | 1 | -0.40 | 25 | -10.00 | | | Williams, Justus D | | | 2158 | USA | 0.00 | 1 | -0.37 | 25 | -9.25 | |
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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