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Individual Calculations April 2018 |
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| Barboza, Lucas Total change: 19.20 | |   |
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| Campeonato Semifinal 1 Categoria Sub10 Absoluto 2018 | Cartagena | COL | 2018-03-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1234 | 1322 | 2.00 | 3 | 0.15 | 40 | 6.00 | |
|  Cruz B, Ismael Josue | | | 1270 | COL | 1.00 | 1 | 0.43 | 40 | 17.20 | |  Giraldo Alvarez, Tomas | | | 1143 | COL | 0.00 | 1 | -0.73 | 40 | -29.20 | | | Negron Lizarazo, Juan Sebastian | | | 1288 | COL | 1.00 | 1 | 0.45 | 40 | 18.00 | |
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) | | | | Campeonato Semifinal 1 Categoria Sub12 Absoluto 2018 | Riohacha | COL | 2018-03-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1382 | 1322 | 2.00 | 4 | 0.33 | 40 | 13.20 | |
| | Norena Marin, Jeronimo | | | 1418 | COL | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Brito Carrascal, Camilo Andres | | | 1479 | COL | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Brito Carrascal, Isabela | | | 1370 | COL | 0.00 | 1 | -0.43 | 40 | -17.20 | | | Diaz Cabarcas, Maria Alejandra | | | 1261 | COL | 1.00 | 1 | 0.42 | 40 | 16.80 | |
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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