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Rapid:
Individual Calculations December 2017 |
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| Castillo Morales, Thais Total change: 10.40 | |   |
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| I Torneo Abierto Unidos por el Ajedrez | Alajuela | CRC | 2017-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1913 | 1841 | 3.00 | 6 | 0.52 | 20 | 10.40 | |
|  Sandi Castro, Allan | | | 1441 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Alfaro Guillen, Jose Raul | | | 2048 | CRC | 1.00 | 1 | 0.77 | 20 | 15.40 | |  Urbina Quiroz, Edwin | | | 2144 | CRC | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Ramirez Madrid, Gerardo Alfonso | c | | 1741 | CRC | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Calvo Gutierrez, Luis Guillermo | | | 1872 | CRC | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Solano Cuya, Bryan | m | | 2230 | CRC | 0.00 | 1 | -0.09 | 20 | -1.80 | | | * 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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