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Blitz:
Individual Calculations January 2020 |
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| Ibarra Valverde, Kevin Total change: 18.20 | |   |
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| Campeonato Nacional Blitz Individual 2019 | Fortuna de San Carlos | CRC | 2019-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1623 | 1321 | 2.00 | 7 | 0.91 | 20 | 18.20 | |
|  Vargas Villalobos, Oliverio | | | 1721 * | CRC | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Sanchez Garro, Juan Gabriel | | | 1721 * | CRC | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Aragon Masis, Sergio | | | 1624 | CRC | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Espinoza Guerrero, Warner | | | 1721 * | CRC | 1.00 | 1 | 0.92 | 20 | 18.40 | | | Vargas Alfaro, Ronny | | | 1558 | CRC | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Villalobos Arrieta, Eduardo | | | 1507 | CRC | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Molina Venegas, Julian Ernesto | | | 1512 | CRC | 0.00 | 1 | -0.25 | 20 | -5.00 | | | * 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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