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Individual Calculations August 2012 |
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| Gu, Christopher Total change: 33.90 | |   |
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| 40th Annual World Open - U2400 Section | Philadelphia, Pennsylvania | USA | 2012-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2198 | 2225 | 6.00 | 9 | 1.16 | 15 | 17.40 | |
|  Bowersock, Michael | | | 2071 | USA | 0.50 | 1 | -0.21 | 15 | -3.15 | |  Chirinos, Cleren | | | 2150 | VEN | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Nilsson, Martin | | | 2197 | SWE | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Zenyuk, Iryna | c | wm | 2242 | USA | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Aramil, William J | | | 2264 | USA | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Krause, Benjamin W | | | 2205 | USA | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Alfaro Rojas, Alfonso | | | 2264 | CRC | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Alvarez, Ernesto | | | 2217 | USA | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Katz, Alexander R | | | 2174 | USA | 0.00 | 1 | -0.57 | 15 | -8.55 | |
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) | | | | 2012 US Cadet | Rockville, Maryland | USA | 2012-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2235 | 2225 | 4.50 | 7 | 1.10 | 15 | 16.50 | |
| | Hua, David | | | 2216 | USA | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Ostrovskiy, Aleksandr | f | | 2351 | USA | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Bodek, Michael H | f | | 2325 | USA | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Black Jr, James A | | | 2232 | USA | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Colas, Joshua | | | 2126 | USA | 0.00 | 1 | -0.64 | 15 | -9.60 | | | Williams, Justus D | | | 2216 | USA | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Wu, Christopher | | | 2182 | USA | 1.00 | 1 | 0.44 | 15 | 6.60 | |
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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