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Individual Calculations July 2019 |
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| Ospina, Santiago Total change: 65.20 | |   |
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| Semifinal 2 del Selectivo a la 44 Olimpiada Mundial de Ajedrez en Khanty-Mansiysk, Rusia 2020 | Palmira | COL | 2019-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2033 | 1928 | 4.50 | 9 | 1.27 | 40 | 50.80 | |
|  Castrillon Gomez, Melissa | | wm | 2242 | COL | 0.00 | 1 | -0.14 | 40 | -5.60 | |  Leal, Dayana Vanessa | | | 1530 | COL | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Bedoya, Gustavo | | | 1585 | COL | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Martinez, Cristian Camilo | c | | 2194 | COL | 1.00 | 1 | 0.82 | 40 | 32.80 | | | Rivera, Ingris | | wm | 2180 | COL | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Cadena M, Gustavo Adolfo | f | | 2173 | COL | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Lora, Joel Fernando | | | 2168 | COL | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Zapata Cuartas, Juan Carlos | | | 2140 | COL | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Prado, Leonardo | f | | 2082 | COL | 0.50 | 1 | 0.21 | 40 | 8.40 | |
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) | | | | IRT de Primera Categoria Jorge Aristizabal Antioquia 2019 | Medellin | COL | 2019-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1876 | 1903 | 3.50 | 6 | 0.36 | 40 | 14.40 | |
| | Osorio, Cristhian Camilo | | | 2165 | COL | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Ospina Betancur, Santiago | | | 1503 * | COL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Escobar Medina, Andres F | | | 2294 | COL | 0.50 | 1 | 0.41 | 40 | 16.40 | | | Osorio Guevara, Javier Jose | | | 2120 | VEN | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Molina Ballesteros, Juan Sebastia | | | 1556 | COL | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Bermudez, Edilson Enrique | | | 1615 | COL | 1.00 | 1 | 0.16 | 40 | 6.40 | | | * 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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