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Individual Calculations September 2010 |
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| Zambrana, Oswaldo Total change: -1.90 | |   |
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| Magistral Internacional Bicentenario Independencia de Colombia | Bogota | COL | 2010-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2530 | 2515 | 5.50 | 10 | 0.70 | 10 | 7.00 | |
|  Cordova, Emilio | g | | 2560 | PER | 1.00 | 1 | 0.56 | 10 | 5.60 | |  Romero Holmes, Alfonso | g | | 2518 | ESP | 1.00 | 1 | 0.50 | 10 | 5.00 | | | Vescovi, Giovanni | g | | 2632 | BRA | 0.50 | 1 | 0.16 | 10 | 1.60 | | | Delgado Ramirez, Neuris | g | | 2576 | COL | 0.50 | 1 | 0.08 | 10 | 0.80 | | | Bachmann, Axel | g | | 2553 | PAR | 0.00 | 1 | -0.45 | 10 | -4.50 | | | Becerra Rivero, Julio | g | | 2557 | USA | 0.50 | 1 | 0.06 | 10 | 0.60 | | | Barrientos, Sergio E | m | | 2477 | COL | 1.00 | 1 | 0.45 | 10 | 4.50 | | | Flores, Diego | g | | 2584 | ARG | 0.00 | 1 | -0.40 | 10 | -4.00 | | | Escobar Forero, Alder | m | | 2474 | COL | 1.00 | 1 | 0.44 | 10 | 4.40 | | | Arenas, David | m | | 2364 | COL | 0.00 | 1 | -0.70 | 10 | -7.00 | |
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) | | | | COPA LATINOAMERICANA DE AJEDREZ A | CUSCO, PERU | PER | 2010-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2340 | 2515 | 5.50 | 9 | -0.89 | 10 | -8.90 | |
| | Ruiz Aguilar, Pablo Alexander | | | 2265 | COL | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Alarcon Bahamondes, Roberto | | | 2245 | CHI | 0.00 | 1 | -0.83 | 10 | -8.30 | | | Gemy, Jose Daniel | f | | 2300 | BOL | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Pacheco, Daniel | f | | 2329 | ARG | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Molina, Roberto Junio Brito | f | | 2376 | BRA | 0.00 | 1 | -0.69 | 10 | -6.90 | | | Chumpitaz, Ann | | wf | 2115 * | PER | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Sanabria Rangel, Sergio Andres | | | 2305 | COL | 0.50 | 1 | -0.27 | 10 | -2.70 | | | Hernandez Guerrero, Gilberto | g | | 2544 | MEX | 0.50 | 1 | 0.04 | 10 | 0.40 | | | Felgaer, Ruben | g | | 2584 | ARG | 0.50 | 1 | 0.10 | 10 | 1.00 | | | * 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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