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Individual Calculations July 2009 |
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| Nonchev, Kalin K Total change: 5.70 | |   |
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| 2009 Texas State and Amateur Championship | San Antonio, Texas | USA | 2009-05-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2249 | 2159 | 2.50 | 4 | 0.97 | 15 | 14.55 | |
|  Obregon, Juan Luis | c | | 2226 | MEX | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Fernandez, Daniel | m | | 2369 | USA | 0.00 | 1 | -0.23 | 15 | -3.45 | |  Green, Austen Jay | | | 2080 | USA | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Anderson, Selby K | | | 2322 | USA | 1.00 | 1 | 0.72 | 15 | 10.80 | |
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) | | | | DFW FIDE Open III | Richardson, Texas | USA | 2009-05-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1948 | 2159 | 2.00 | 3 | -0.19 | 15 | -2.85 | |
| | Chiang, Sarah | | wc | 1809 | USA | 0.00 | 1 | -0.89 | 15 | -13.35 | | | Chandra, Kevin | | | 1809 | USA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Obregon, Juan Luis | c | | 2226 | MEX | 1.00 | 1 | 0.59 | 15 | 8.85 | |
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) | | | | 2009 National Open | Las Vegas, Nevada | USA | 2009-06-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2235 | 2159 | 0.00 | 1 | -0.40 | 15 | -6.00 | |
| | Villanueva, Hugo | | | 2235 | PHI | 0.00 | 1 | -0.40 | 15 | -6.00 | |
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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