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Individual Calculations January 2013 |
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| Perez Rodriguez, Juan Carlos Total change: 22.50 | |   |
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| IRT Campeonato Bolivariano de Ajedrez 2012 | Bogota | COL | 2012-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2037 | 1957 | 5.00 | 9 | 1.30 | 30 | 39.00 | |
|  Rosero, Hugo Alberto | | | 1649 | COL | 1.00 | 1 | 0.14 | 30 | 4.20 | |  Perez Olarte, Cesar Camilo | | | 2259 | COL | 1.00 | 1 | 0.85 | 30 | 25.50 | | | Tapia, Daniel | m | | 2292 | COL | 0.00 | 1 | -0.12 | 30 | -3.60 | | | Santos Morales, Natalia Andrea | | | 2017 | COL | 0.00 | 1 | -0.42 | 30 | -12.60 | | | Hernandez Sanchez, Jairo Andre | f | | 2335 | COL | 0.00 | 1 | -0.09 | 30 | -2.70 | | | Contreras, Henry Esteban | | | 1808 | COL | 1.00 | 1 | 0.30 | 30 | 9.00 | | | Salazar, Carlos | | | 2169 | PER | 0.00 | 1 | -0.23 | 30 | -6.90 | | | Velez Alvarez, Laura Camila | | | 1754 | COL | 1.00 | 1 | 0.24 | 30 | 7.20 | | | Univio Sanchez, German | | | 2053 | COL | 1.00 | 1 | 0.63 | 30 | 18.90 | |
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) | | | | III ITT JAHV McGREGOR | Bogota | COL | 2012-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1905 | 1957 | 4.00 | 8 | -0.55 | 30 | -16.50 | |
| | Bohorquez, Jorge | | | 1601 | COL | 1.00 | 1 | 0.11 | 30 | 3.30 | | | Arvola, Benjamin | f | | 2285 | NOR | 0.00 | 1 | -0.13 | 30 | -3.90 | | | Silva Suna, Juan Esteban | | | 1733 | COL | 1.00 | 1 | 0.22 | 30 | 6.60 | | | Aucay Pelaez, Mauro | f | | 2258 | ECU | 0.00 | 1 | -0.15 | 30 | -4.50 | | | Valencia, Fabio | | | 1680 | COL | 1.00 | 1 | 0.17 | 30 | 5.10 | | | Alarcon Casellas, Rolando | m | | 2357 * | CUB | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Calero, Hector Andres | | | 1679 | COL | 0.00 | 1 | -0.83 | 30 | -24.90 | | | Rosero, Hugo Alberto | | | 1649 | COL | 1.00 | 1 | 0.14 | 30 | 4.20 | | | * 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) | | |
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