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Individual Calculations February 2019 |
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| Guevara Cornejo, Gabriel Total change: -14.80 | |   |
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| II Torneo Internacional Sub 14 de Liberia 2018 | Liberia | CRC | 2018-12-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1375 | 1368 | 2.00 | 4 | -0.01 | 40 | -0.40 | |
|  Hernandez Perez, Javier Francisco | | | 1041 | CRC | 1.00 | 1 | 0.13 | 40 | 5.20 | |  Cabezas Solano, David Alejandro | | | 1762 | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Barquero Alfaro, Alejandro | | | 1305 | CRC | 1.00 | 1 | 0.41 | 40 | 16.40 | | | Angulo Hernandez, Maria Jesus | | | 1391 | CRC | 0.00 | 1 | -0.47 | 40 | -18.80 | |
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) | | | | Campeonato Nacional Infantil Absoluto Sub14 2019 | San Jose | CRC | 2019-01-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1327 | 1368 | 3.00 | 6 | -0.36 | 40 | -14.40 | |
| | Esquivel Jimenez, Douglas Daniel | | | 1223 | CRC | 0.50 | 1 | -0.19 | 40 | -7.60 | | | Ramirez Madrid, Daniel Alberto | | | 1386 | CRC | 1.00 | 1 | 0.53 | 40 | 21.20 | | | Semana Ramirez, Jerian | | | 1303 | CRC | 0.00 | 1 | -0.59 | 40 | -23.60 | | | Fuentes Solano, Nahum Alfonso | | | 1134 | CRC | 0.50 | 1 | -0.29 | 40 | -11.60 | | | Nunez Okubo, Isao | c | | 1685 | CRC | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Rojas Mora, Jose Elias | | | 1230 | CRC | 1.00 | 1 | 0.31 | 40 | 12.40 | |
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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