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Individual Calculations February 2019 |
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| Castillo Morales, Thais Total change: -57.00 | |   |
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| 28th Annual North American Open | Las Vegas, Nevada | USA | 2018-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2033 | 1925 | 2.00 | 7 | -0.60 | 20 | -12.00 | |
|  Guo, Arthur | m | | 2271 | USA | 0.00 | 1 | -0.11 | 20 | -2.20 | |  Ramoutar, Alan-Safar | f | | 2180 | TTO | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Mishra, Abhimanyu | c | | 2128 | USA | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Lee, Jayden | | | 1759 | USA | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Li, Hanxiang | | | 2104 | CHN | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Del Rosario, Frisco | | | 1780 | USA | 1.00 | 1 | 0.31 | 20 | 6.20 | | | McNeill, Gordon | | | 2012 | USA | 0.00 | 1 | -0.38 | 20 | -7.60 | |
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) | | | | Campeonato Nacional Femenino 2019 | San Jose | CRC | 2019-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1743 | 1925 | 5.00 | 9 | -1.25 | 20 | -25.00 | |
| | Diaz Charpentier, Kristel Meliss | | | 1591 | CRC | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Mayorga Araya, Sofia | | | 1525 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Hernandez Alvarez, Tania Regla | | wm | 2063 | CRC | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Rodriguez Arrieta, Maria Elena | | wm | 1948 | CRC | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Angulo Hernandez, Maria Jesus | | | 1525 * | CRC | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Marin Leon, Valeria | | wc | 1681 | CRC | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Gamboa Alvarado, Olga Leticia | | wf | 1920 | CRC | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Salazar Gould, Melanie | | wf | 1912 | CRC | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Hernandez Leandro, Aliza | | | 1525 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | Campeonato Nacional Juvenil Absoluto Sub20 2019 | San Jose | CRC | 2019-01-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1659 | 1925 | 4.50 | 7 | -1.00 | 20 | -20.00 | |
| | Granados Wing, Brian Saul | | | 1525 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Hernandez Leandro, Alejandro | | | 1525 * | CRC | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Marin Leon, Valeria | | wc | 1681 | CRC | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Sandi Castro, Allan | | | 1525 * | CRC | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Valdez Torres, Nestor Josue | | | 1790 | CRC | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Quesada Campos, Jordi Alessandre | c | | 2044 | CRC | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Mora Melendez, Jose Pablo | | | 1525 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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