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Individual Calculations February 2019 |
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| Hernandez Brenes, Keylor Total change: 46.40 | |   |
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| Abierto Internacional Metropolitano U14 2018 | San Jose | CRC | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1110 | 1039 | 0.00 | 2 | -0.81 | 40 | -32.40 | |
|  Fuentes Solano, Nahum Alfonso | | | 1134 | CRC | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Rios Hernandez, Brandon | | | 1085 | CRC | 0.00 | 1 | -0.44 | 40 | -17.60 | |
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) | | | | Campeonato Nacional Juvenil Absoluto Sub16 2019 | San Jose | CRC | 2019-01-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1307 | 1039 | 3.50 | 8 | 1.97 | 40 | 78.80 | |
|  Abarca Matarrita, Juan P | | | 1433 | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Sierra Berrocal, Auriel | | | 1247 | CRC | 1.00 | 1 | 0.77 | 40 | 30.80 | | | Sierra Berrocal, Gabriela | | | 1292 | CRC | 1.00 | 1 | 0.81 | 40 | 32.40 | | | Cartin Aguilar, Luis Javier | | | 1434 | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Bonilla Ortiz, Johel Sebastian | | | 1279 | CRC | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Miranda Blanco, Aylan Josue | | | 1262 | CRC | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Melendez Arce, Caleth | | | 1423 | CRC | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Rios Hernandez, Brandon | | | 1085 | CRC | 0.50 | 1 | 0.06 | 40 | 2.40 | |
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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