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Individual Calculations January 2012 |
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| Vitoux, Colomban Total change: -20.40 | |   |
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| Panama Chess Open | Panama | PAN | 2011-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2176 | 2415 | 6.00 | 9 | -1.09 | 10 | -10.90 | |
|  Giron Rendon, Jorge Ernesto | | | 2015 * | ESA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Aguilar, Gustavo | | | 2140 | ESA | 0.00 | 1 | -0.83 | 10 | -8.30 | | | Fandino Reyes, Roquelina | | wm | 2081 | CUB | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Ramos, Efren Andres | | | 2162 | NCA | 0.50 | 1 | -0.31 | 10 | -3.10 | | | Garcia, Douglas | | | 2177 | GUA | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Uribe Arteaga, Daniel | | | 2228 | COL | 0.50 | 1 | -0.24 | 10 | -2.40 | | | Contreras, Henry | f | | 2240 | COL | 0.50 | 1 | -0.23 | 10 | -2.30 | | | Linares, Napoles Oleiny | | wg | 2335 | CUB | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Vigoa Apecheche, Yanira | | wg | 2206 | CUB | 1.00 | 1 | 0.23 | 10 | 2.30 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 42nd Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2011-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2156 | 2415 | 1.50 | 3 | -0.95 | 10 | -9.50 | |
| | Chiang, Michael | | | 2165 | USA | 0.50 | 1 | -0.31 | 10 | -3.10 | | | Defibaugh, Jared | | | 2182 | USA | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Daly, Troy | | | 2121 | USA | 0.00 | 1 | -0.85 | 10 | -8.50 | |
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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