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Individual Calculations February 2019 |
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| Rojas, Steven Total change: 52.80 | |   |
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| III Open IRT U-2200 Club Hermanos Rojas 2018 | Lima | PER | 2018-10-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1732 | 2018 | 5.50 | 7 | -0.25 | 40 | -10.00 | |
|  Arcos, Luis | | | 1618 * | PER | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Tello Ormeno, Daniel | | | 1700 | PER | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Vega Moran, Nelson Rafael | | | 1756 | PER | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Garcia Andrada, Heidy Nicole | | | 1773 | PER | 0.50 | 1 | -0.30 | 40 | -12.00 | | | Sinti Pio, Jesus Moises | | | 1618 * | PER | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Mostacero Velarde, Isabella | | | 2002 | PER | 0.50 | 1 | -0.02 | 40 | -0.80 | | | Minaya Mundines, Pietro Gerardo | | | 1655 | PER | 0.50 | 1 | -0.40 | 40 | -16.00 | | | * 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) | | | | IV Open IRT Club Hermanos Rojas U-2200 2018 | Lima | PER | 2018-11-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1833 | 2028 | 6.00 | 6 | 1.57 | 40 | 62.80 | |
| | Varillas Jimenez, Ivan | | | 1692 | PER | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Garcia, Heydi | | | 1788 | PER | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Narayana, Hepler | | | 1875 | PER | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Romero Dongo, Sebastian | | | 1866 | PER | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Espinoza Pacheco, Aldryn | | | 2020 | PER | 1.00 | 1 | 0.49 | 40 | 19.60 | | | Palacios Llancari, Katherine | | | 1754 | PER | 1.00 | 1 | 0.17 | 40 | 6.80 | |
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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