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Individual Calculations May 2019 |
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| Campos Perilla, Felix Santiago Total change: -4.00 | |   |
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| Semifinal 1 Categoria Sub-14 Absoluto 2019 | Ibague | COL | 2019-04-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1520 | 1408 | 1.00 | 3 | -0.15 | 40 | -6.00 | |
|  Donneys, Franz | | | 1562 | COL | 0.00 | 1 | -0.29 | 40 | -11.60 | |  Lopez Ramirez, David Santiago | c | | 1808 * | COL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Rodriguez, Arnold Stiven | | | 1191 | COL | 1.00 | 1 | 0.22 | 40 | 8.80 | | | * 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) | | | | Semifinal 1 Categoria Sub-16 Absoluto 2019 | Duitama | COL | 2019-04-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1427 | 1408 | 1.00 | 2 | 0.05 | 40 | 2.00 | |
| | Gomez Leon, Sebastian | | | 1513 | COL | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Campos Perilla, Sergio Felipe | | | 1341 | COL | 1.00 | 1 | 0.41 | 40 | 16.40 | |
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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