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Individual Calculations January 2013 |
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| Borbon, Oscar Total change: 6.45 | |   |
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| IRT Campeonato Bolivariano de Ajedrez 2012 | Bogota | COL | 2012-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2209 | 1968 | 4.00 | 9 | 1.94 | 15 | 29.10 | |
|  Acosta, Jaime | | | 1710 | COL | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Becerra, Juan David | f | | 2260 | COL | 1.00 | 1 | 0.85 | 15 | 12.75 | |  Martinez Romero, Martin | f | | 2368 * | COL | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Ceron, Juan Carlos | | | 2102 | COL | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Ramirez, Carlos | f | | 2310 | COL | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Perez Olarte, Cesar Camilo | | | 2259 | COL | 1.00 | 1 | 0.85 | 15 | 12.75 | | | Bacallao Alonso, Yusnel | g | | 2368 * | CUB | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Salazar, Carlos | | | 2169 | PER | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Hernandez Sanchez, Jairo Andre | f | | 2335 | COL | 0.00 | 1 | -0.10 | 15 | -1.50 | | | * 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) | | | | III ITT JAHV McGREGOR | Bogota | COL | 2012-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1819 | 1968 | 2.50 | 6 | -1.51 | 15 | -22.65 | |
| | Navia, Edwin Adrian | | | 2095 | COL | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Arango, Andres Mauricio | | | 2113 | COL | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Moreno Lozano, Esteban | | | 1626 | COL | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Munoz Guzman, German | | | 1751 | COL | 0.00 | 1 | -0.78 | 15 | -11.70 | | | Pinilla, Diego | | | 1640 | COL | 0.50 | 1 | -0.37 | 15 | -5.55 | | | Celis Vargas, Walter Enrique | | | 1689 | COL | 1.00 | 1 | 0.16 | 15 | 2.40 | |
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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