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Individual Calculations February 2015 |
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| Solano Saltachin, Carlos Andres Total change: -17.20 | |   |
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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 |
| 1519 | 1673 | 2.00 | 3 | -0.10 | 40 | -4.00 | |
|  Castro Garcia, Alejandro | | | 1614 | CRC | 0.50 | 1 | -0.08 | 40 | -3.20 | |  Soto Alfaro, Braulio | | | 1509 | CRC | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Ramirez Madrid, Gerardo Alfonso | | | 1435 | CRC | 1.00 | 1 | 0.20 | 40 | 8.00 | |
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 |
| 1816 | 1673 | 1.00 | 4 | -0.33 | 40 | -13.20 | |
| | Vaglio Mattey, Emanuel | | | 2056 | CRC | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Castro Garcia, Alejandro | | | 1614 | CRC | 0.50 | 1 | -0.08 | 40 | -3.20 | | | Blanco Rojas, Benjamin | | | 1791 | CRC | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Carvajal Pena, Daniel | | | 1804 | CRC | 0.00 | 1 | -0.32 | 40 | -12.80 | |
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) | | |
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