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Blitz:
Individual Calculations December 2019 |
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| Zeledon Perez, Edgar Total change: 2.80 | |   |
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| Campeonato Panamericano Amateur Blitz U2300 2019 | San Jose | CRC | 2019-10-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1736 | 1876 | 6.00 | 9 | 0.14 | 20 | 2.80 | |
|  Bolanos Garcia, Heidi Paola | | | 1476 * | NCA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Quesada Leon, Joshua | | | 1582 | CRC | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Chung, Yaleika | | wf | 1706 | PAN | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Nunez Okubo, Isao | c | | 1491 | CRC | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Rodriguez Chaverri, David | | | 2014 | CRC | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Alvarez Hernandez, David | | | 2100 | CRC | 1.00 | 1 | 0.78 | 20 | 15.60 | | | Diaz Charpentier, Kristel Meliss | | | 1589 | CRC | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Arias Serrano, Luis Antonio | c | | 2052 | VEN | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Rojas Mendoza, Joun Sun | | | 1610 | COL | 0.00 | 1 | -0.82 | 20 | -16.40 | | | * 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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