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Individual Calculations February 2018 |
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| Serrano Marin, Jorge Total change: -56.80 | |   |
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| Campeonato Nacional Juvenil Sub20 2018 | Heredia | CRC | 2018-01-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1501 | 1537 | 2.50 | 7 | -1.42 | 40 | -56.80 | |
|  Castro Garcia, Ileana | | wc | 1581 | CRC | 1.00 | 1 | 0.56 | 40 | 22.40 | |  Quesada Campos, Jordi Alessandre | c | | 1937 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Tapia Alvarez, Alejandro | | | 1434 | CRC | 0.00 | 1 | -0.64 | 40 | -25.60 | | | Chaves Williams, Jose Andres | | | 1538 | CRC | 0.00 | 1 | -0.50 | 40 | -20.00 | | | Sandi Castro, Allan | | | 1294 | CRC | 0.00 | 1 | -0.80 | 40 | -32.00 | | | Chaves Alfaro, Beatriz | | | 1344 | CRC | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Granados Wing, Brian Saul | | | 1378 | CRC | 0.50 | 1 | -0.21 | 40 | -8.40 | | | * 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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