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Individual Calculations January 2009 |
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| Perez Olarte, Cesar Camilo Total change: -2.55 | |   |
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| America Central and Caribbean Regional Youth Championship U 18 Male | San Salvador | ESA | 2008-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2082 | 2088 | 0.00 | 2 | -1.02 | 15 | -15.30 | |
|  Pulvett Marin, Daniel E. | | | 2105 | VEN | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Aguilar, Gustavo | | | 2059 | ESA | 0.00 | 1 | -0.54 | 15 | -8.10 | |
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) | | | | Nacional Sub26 | Bogota | COL | 2008-09-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2103 | 2088 | 2.00 | 5 | -0.40 | 15 | -6.00 | |
|  Cifuentes, John Jairo | c | | 2181 | COL | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Remicio Duque, John H | | | 2216 | COL | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Juez, Yesith | | | 1945 | COL | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Fiori, Alberto Nicolas | | | 2164 | ARG | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Duque, Juan Camilo | | | 2007 | COL | 0.00 | 1 | -0.61 | 15 | -9.15 | |
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) | | | | IRT Sub2100 Octubre | Bogota | COL | 2008-10-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2007 | 2083 | 2.50 | 5 | -0.52 | 15 | -7.80 | |
| | Rodriguez Correa, Enrique | | | 1990 | COL | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Juez, Jose Yesid | | | 1945 | COL | 0.00 | 1 | -0.69 | 15 | -10.35 | | | Soste, Victor | | | 2034 | COL | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Lizarazo Arango, Juan Carlos | | | 2089 | COL | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Ceron, Edgar Ivan | | | 1978 | COL | 0.00 | 1 | -0.64 | 15 | -9.60 | |
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) | | | | IRT Nacional Inter-Empresas 2008 | Bogota | COL | 2008-10-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2167 | 2083 | 3.00 | 7 | 0.19 | 15 | 2.85 | |
| | Castro, Oscar H | m | | 2395 | COL | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Guzman, Campo Elias | | | 2028 | COL | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Duque, Juan Camilo | | | 2005 | COL | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Cardozo, Carlos Eduardo | | | 1795 | COL | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Mosquera, Miguel | m | | 2372 | COL | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Rios, Mauricio | f | | 2334 | COL | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Gutierrez, Jose Antonio | m | | 2243 | COL | 0.00 | 1 | -0.29 | 15 | -4.35 | |
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) | | | | IRT Open Internacional U Central | Bogota | COL | 2008-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2260 | 2083 | 3.50 | 7 | 1.58 | 15 | 23.70 | |
| | Melgosa, Marcio | | | 2292 | COL | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Acosta, Alejandro | m | | 2344 | COL | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Prieto, Ernesto | | | 2181 | COL | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Betancur, David | | | 2224 | COL | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Pinzon, Jairo David | | | 2134 | COL | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Rivera, Alberto | m | | 2363 | CUB | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Cuartas, Jorge Humberto | f | | 2283 | COL | 0.50 | 1 | 0.26 | 15 | 3.90 | |
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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