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Individual Calculations September 2011 |
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| Vibbert, Sean Total change: 12.15 | |   |
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| 4th Annual Chicago Class | Wheeling, Illinois | USA | 2011-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2134 | 2159 | 2.50 | 5 | -0.18 | 15 | -2.70 | |
|  Flaga, Krzysztof | | | 2072 | USA | 0.00 | 1 | -0.62 | 15 | -9.30 | |  Smarty, Sylvester | | | 2122 | USA | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Burnett, Ronald | m | | 2349 | USA | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Schmakel, Sam A | | | 2064 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Chiang, Michael | | | 2062 | USA | 0.50 | 1 | -0.13 | 15 | -1.95 | |
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) | | | | 112th Annual US Open | Orlando, Florida | USA | 2011-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2293 | 2159 | 3.00 | 6 | 0.99 | 15 | 14.85 | |
| | Gurevich, Dmitry | g | | 2479 | USA | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Sadorra, Julio C | g | | 2495 | PHI | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Zepeda, Lorena M | | wm | 2187 | ESA | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Mulyar, Michael A | m | | 2410 | USA | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Garcia, Gildardo J | g | | 2368 | COL | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Regam, Jessica | | | 1819 | USA | 1.00 | 1 | 0.12 | 15 | 1.80 | |
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) | | |
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