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Individual Calculations February 2015 |
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| Guzman Hidalgo, Nicolas Total change: -84.00 | |   |
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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 |
| 1472 | 1562 | 0.00 | 2 | -1.24 | 40 | -49.60 | |
|  Ramirez Madrid, Gerardo Alfonso | | | 1435 | CRC | 0.00 | 1 | -0.67 | 40 | -26.80 | | | Soto Alfaro, Braulio | | | 1509 | CRC | 0.00 | 1 | -0.57 | 40 | -22.80 | |
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) | | | | Campeonato Nacional CRC Sub 20 Abierto 2015 | San Jose | CRC | 2015-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1666 | 1562 | 1.00 | 5 | -0.86 | 40 | -34.40 | |
| | Carvajal Pena, Daniel | | | 1804 | CRC | 0.00 | 1 | -0.20 | 40 | -8.00 | |  Quiros Avendano, Luis Alejandro | | | 1574 | CRC | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Ramirez Madrid, Gerardo Alfonso | | | 1435 | CRC | 0.50 | 1 | -0.17 | 40 | -6.80 | | | Herrera Boschini, Gabriel | | | 1664 | CRC | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Granados, Maria | | wm | 1855 | NCA | 0.50 | 1 | 0.35 | 40 | 14.00 | |
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) | | |
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