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Individual Calculations July 2013 |
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| Helfst, Matt D Total change: 18.30 | |   |
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| 2013 National Open - Open Section | Las Vegas, Nevada | USA | 2013-06-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2201 | 1955 | 2.00 | 4 | 1.22 | 15 | 18.30 | |
|  Chakraborty, Dipro | | | 2166 | USA | 0.00 | 1 | -0.23 | 15 | -3.45 | |  Gutierrez, Paloma | | wm | 2181 | ESP | 1.00 | 1 | 0.79 | 15 | 11.85 | | | Yanayt, Eugene | f | | 2230 | USA | 0.50 | 1 | 0.33 | 15 | 4.95 | | | Morshedi, Ali | f | | 2227 | USA | 0.50 | 1 | 0.33 | 15 | 4.95 | |
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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