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Individual Calculations July 2012 |
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| Helfst, Matt D Total change: 17.55 | |   |
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| 2012 National Open - Open Section | Las Vegas, Nevada | USA | 2012-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2171 | 1930 | 2.00 | 4 | 1.17 | 15 | 17.55 | |
|  Yanayt, Eugene | f | | 2242 | USA | 0.00 | 1 | -0.14 | 15 | -2.10 | |  Lebovitz, Andrew E | | | 2090 | USA | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Mascarenhas, Alberto | f | | 2246 | BRA | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Liu, Daniel | | | 2105 | USA | 1.00 | 1 | 0.73 | 15 | 10.95 | |
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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