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Individual Calculations April 2018 |
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| Ospina, Santiago Total change: 40.40 | |   |
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| Campeonato Nacional Amateur 2018 Sub1700 | Bogota | COL | 2018-02-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1461 | 1667 | 2.50 | 3 | 0.21 | 40 | 8.40 | |
|  Zarate Rueda, Rafael Humberto | | | 1419 | COL | 1.00 | 1 | 0.19 | 40 | 7.60 | |  Hincapie Uribe, Eduardo | | | 1492 | COL | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Garcia Barrera, Diego Fernando | | | 1473 | COL | 0.50 | 1 | -0.25 | 40 | -10.00 | |
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) | | | | Semifinal 1 del Selectivo a la 43 Olimpiada Mundial en Batumi- Georgia | Medellin | COL | 2018-03-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1972 | 1667 | 2.00 | 8 | 0.80 | 40 | 32.00 | |
| | Mateus, Martha | | wm | 2067 * | COL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Nieto, Agustin | | | 2066 | COL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Toro Castaneda, Elizabeht | c | | 1942 | COL | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Lopez Cardona, Diego | | | 2025 | COL | 1.00 | 1 | 0.90 | 40 | 36.00 | | | Argote Heredia, Valentina | | wf | 1963 | COL | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Velez Rueda, Juan Diego | | | 1904 | COL | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Henao Ortiz, Carolina | | | 1835 | COL | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Cadavid, Juan Miguel | | | 1971 | COL | 0.00 | 1 | -0.14 | 40 | -5.60 | | | * 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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