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Individual Calculations January 2018 |
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| Alfaro Guillen, Jose Raul Total change: -12.00 | |   |
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| Abierto Metropolitano 2017 | San Jose | CRC | 2017-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1862 | 2048 | 3.00 | 5 | -0.60 | 20 | -12.00 | |
|  Sibaja Tellez, Josue | | | 1648 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Hidalgo Barrantes, Mario Alberto | | | 1779 | CRC | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Nunez Valverde, Jairo | | | 1875 | CRC | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Solis L., Efren A. | | | 2048 | CRC | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Quesada Campos, Jordi Alessandre | c | | 1961 | CRC | 0.00 | 1 | -0.62 | 20 | -12.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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