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Individual Calculations February 2015 |
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| Castro Garcia, Alejandro Total change: 52.00 | |   |
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| Campeonato Nacional CRC Sub 14 Abierto 2015 | San Jose | CRC | 2015-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1517 | 1614 | 2.50 | 4 | 0.00 | 40 | 0.00 | |
|  Solano Saltachin, Carlos Andres | | | 1673 | CRC | 0.50 | 1 | 0.08 | 40 | 3.20 | |  Ramirez Madrid, Gerardo Alfonso | | | 1435 | CRC | 0.50 | 1 | -0.23 | 40 | -9.20 | | | Torres Romero, Cristhian | | | 1452 | CRC | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Soto Alfaro, Braulio | | | 1509 | CRC | 1.00 | 1 | 0.36 | 40 | 14.40 | |
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) | | | | Campeonato Nacional CRC Sub 20 Abierto 2015 | San Jose | CRC | 2015-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1746 | 1614 | 4.00 | 8 | 1.30 | 40 | 52.00 | |
| | Blanco Rojas, Benjamin | | | 1791 | CRC | 1.00 | 1 | 0.73 | 40 | 29.20 | | | Ramirez Arroyo, Joan Emmanuel | | | 2008 | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Buitrago Mosquera, Antonio | | | 1758 | CRC | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Solano Saltachin, Carlos Andres | | | 1673 | CRC | 0.50 | 1 | 0.08 | 40 | 3.20 | | | Herrera Boschini, Gabriel | | | 1664 | CRC | 1.00 | 1 | 0.57 | 40 | 22.80 | | | Porras Chavarria, Steve | | | 1689 | CRC | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Rivera Gonzalez, Jose Alexis | | | 1688 | CRC | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Aragon Alvarado, Christopher | | | 1696 | CRC | 0.00 | 1 | -0.39 | 40 | -15.60 | |
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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