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Individual Calculations January 2011 |
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| Duran Vega, Sergio Total change: 12.30 | |   |
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| Copa Deposito El Lagar | San Jose | CRC | 2010-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2085 | 2157 | 4.50 | 6 | 0.92 | 15 | 13.80 | |
|  Esquivel, Jose Edmond | | | 1958 | CRC | 1.00 | 1 | 0.24 | 15 | 3.60 | |  Montenegro, Pedro | | | 2087 | CRC | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Carvajal Gorgona, Jonathan | | | 2186 | CRC | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Alvarado, Dizan Ernesto | | | 1999 | CRC | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Duran Vega, Andres | | | 1993 | CRC | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Murillo, Alexis | m | | 2285 | CRC | 0.50 | 1 | 0.17 | 15 | 2.55 | |
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) | | | | JAVH McGregor de Ajedrez ITT | Bogota | COL | 2010-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2116 | 2153 | 5.50 | 9 | 0.48 | 15 | 7.20 | |
| | Lozano, Nestor Favian | | | 1877 | COL | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Kovalyov, Anton | g | | 2553 * | ARG | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Castillo, Ricardo | | | 1915 | COL | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Lopez Idarraga, Daniel Eduardo | | | 1997 | COL | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Valdes, Leonardo | m | | 2390 | CRC | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Slipak, Sergio | g | | 2450 | ARG | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Castrillon Gomez, Melissa | | wf | 2013 | COL | 0.00 | 1 | -0.69 | 15 | -10.35 | | | Paez, Adolfo | | | 1856 | COL | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Angel, Antonio | | | 1994 | COL | 1.00 | 1 | 0.29 | 15 | 4.35 | | | * 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) | | | | Festival Centroamericano y del Caribe de la Juventud U-18 Boys | Medellin | COL | 2010-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2080 | 2153 | 3.00 | 6 | -0.58 | 15 | -8.70 | |
| | Suarez, Walter Camilo | | | 1961 | COL | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Torres, Juan Camilo | | | 2180 | COL | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Dominguez, Oscar | | | 1998 | COL | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Ruiz C, Joshua D | f | | 2107 | COL | 0.00 | 1 | -0.56 | 15 | -8.40 | | | Escobar Medina, Andres F | | | 2111 | COL | 0.00 | 1 | -0.56 | 15 | -8.40 | | | Diaz Arboleda, Daniel | | | 2122 | COL | 1.00 | 1 | 0.46 | 15 | 6.90 | |
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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