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Rapid:
Individual Calculations December 2017 |
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| Granados Wing, Brian Saul Total change: -0.40 | |   |
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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 |
| 1560 | 1378 | 1.50 | 5 | -0.02 | 20 | -0.40 | |
|  Alfaro Guillen, Jose Raul | | | 1778 * | CRC | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Elizondo Montero, Juan Luis | | | 1248 | CRC | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Porras Chavarria, Michael | | | 1482 | CRC | 1.00 | 1 | 0.64 | 20 | 12.80 | | | Rivera Gonzalez, Jose Alexis | | | 1778 * | CRC | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Nunez Okubo, Isao | c | | 1514 | CRC | 0.00 | 1 | -0.32 | 20 | -6.40 | | | * 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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