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Individual Calculations December 2018 |
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| Rojas Mendoza, Joun Sun Total change: -4.80 | |   |
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| Campeonato Panamericano Amateur Absoluto sub 1700 | Panama | PAN | 2018-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1546 | 1669 | 6.00 | 7 | 1.35 | 20 | 27.00 | |
|  Alvarez, Claudia | | | 1438 | PAN | 1.00 | 1 | 0.21 | 20 | 4.20 | |  Hurtado, Samuel Alexander | | | 1546 | PAN | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Arosemena, Betty | | | 1588 | PAN | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Ferreira Araujo, Aldair Antonio | | | 1628 | PAN | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Vasquez De Frias, Alexis Aaron | | | 1497 | PAN | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Mendez, Andre | | | 1505 | PAN | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Romero Kries, Mario Andres | | | 1618 | CHI | 0.50 | 1 | -0.07 | 20 | -1.40 | |
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) | | | | Subzonal 2.3.4 Colombia Absoluto 2018 Camp Nacional Ajedrez Mayores Absoluto 2018 | Bogota | COL | 2018-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1809 | 1669 | 3.00 | 6 | 1.05 | 20 | 21.00 | |
| | Velasquez, Joan Sebastian | | | 1464 | COL | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Pereira, Henry Alberto | | | 1842 | COL | 1.00 | 1 | 0.73 | 20 | 14.60 | | | Neira, Oscar Roberto | | | 1874 | COL | 1.00 | 1 | 0.76 | 20 | 15.20 | | | Salazar, Andres Felipe | | | 2004 | COL | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Celi, Juan Carlos | | | 1880 | COL | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Cuellar Canosa, Nicolas | | | 1792 | COL | 0.00 | 1 | -0.33 | 20 | -6.60 | |
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) | | | | 1st. Rising Stars Chess Festival 2018 - Classic Edition | Maracaibo | VEN | 2018-11-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1414 | 1669 | 0.50 | 4 | -2.64 | 20 | -52.80 | |
| | Perdomo Ochoa, Wendy Lorena | | | 1597 | VEN | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Ramirez, Mauricio A. | | | 1269 * | VEN | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Villarreal Luzardo, Elibet | | | 1521 | VEN | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Freitez Aguilar, Antonieta Sinai | | | 1269 * | VEN | 0.00 | 1 | -0.92 | 20 | -18.40 | | | * 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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