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Individual Calculations July 2015 |
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| Ospina Ortiz, Oscar Alexander Total change: -3.00 | |   |
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| IRT Campeonato Nacional Ajedrez Clasico por Equipos Absoluto | Bogota | COL | 2015-06-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1906 | 1953 | 2.00 | 4 | -0.15 | 20 | -3.00 | |
|  Vanegas, Mateo De Jesus | | | 1560 | COL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Montenegro, Juan Rolando | | | 2123 | COL | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Rua, Nora | | | 1925 | COL | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Motta Leon, Gerardo | c | | 2015 | COL | 0.00 | 1 | -0.41 | 20 | -8.20 | |
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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