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Individual Calculations November 2017 |
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| Hernandez Leandro, Alejandro Total change: -15.60 | |   |
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| Campeonato Nacional Juvenil Sub18 por Equipos 2017 | Cartago | CRC | 2017-09-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1455 | 1344 | 1.00 | 3 | -0.12 | 40 | -4.80 | |
|  Solano Saltachin, Carlos Andres | | | 1668 | CRC | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Gonzalez Cascante, Roy | | | 1234 | CRC | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Espitia Torres, Mateo | | | 1462 | CRC | 0.00 | 1 | -0.34 | 40 | -13.60 | |
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) | | | | V Open Encuentro de Culturas Santa Ana 2017 | Santa Ana | CRC | 2017-10-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1306 | 1344 | 3.00 | 6 | -0.27 | 40 | -10.80 | |
|  Orozco Centeno, Melissa | | | 1396 | CRC | 0.00 | 1 | -0.43 | 40 | -17.20 | | | Cubero Moreno, Nayeli | | | 1044 | CRC | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Frajman Kierszenson, Lior | | | 1251 | CRC | 0.00 | 1 | -0.63 | 40 | -25.20 | | | Sandi Castro, Allan | | | 1309 | CRC | 1.00 | 1 | 0.45 | 40 | 18.00 | | | Porras Chavarria, Michael | | | 1510 | CRC | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Calderon Brenes, Brandon | | | 1324 | CRC | 0.50 | 1 | -0.03 | 40 | -1.20 | |
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) | | |
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