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Individual Calculations February 2019 |
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| Hernandez Perez, Javier Francisco Total change: 36.80 | |   |
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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 |
| 1194 | 1041 | 2.00 | 5 | 0.46 | 40 | 18.40 | |
|  Salazar Artavia, Keylor | | | 1101 | CRC | 1.00 | 1 | 0.58 | 40 | 23.20 | |  Guevara Cornejo, Gabriel | | | 1368 | CRC | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Sandi Quiros, Deborah | | | 1153 | CRC | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Ramirez Aguilar, Julian | | | 1151 | CRC | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Adanis Mora, Naomy | | | 1196 | CRC | 1.00 | 1 | 0.71 | 40 | 28.40 | |
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) | | | | Abierto Internacional Metropolitano Infantil U10 2018 | San Jose | CRC | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1173 | 1041 | 2.50 | 4 | 1.19 | 40 | 47.60 | |
| | Lobo Jimenez, Mariana | | | 1275 | PAN | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Ramirez Aguilar, Julian | | | 1151 | CRC | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Mayorga Araya, Sofia | | | 1166 | CRC | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Salazar Artavia, Keylor | | | 1101 | CRC | 1.00 | 1 | 0.58 | 40 | 23.20 | |
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 Sub10 2019 | San Jose | CRC | 2019-01-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1141 | 1041 | 0.00 | 2 | -0.73 | 40 | -29.20 | |
| | Ramos Rodriguez, Daniel | | | 1086 | CRC | 0.00 | 1 | -0.44 | 40 | -17.60 | | | Mayorga Araya, Sofia | | | 1195 | CRC | 0.00 | 1 | -0.29 | 40 | -11.60 | |
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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