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Individual Calculations January 2024 |
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| Ortez, Andrea Total change: -5.80 | |   |
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| Segundo Campeonato Abierto Puntuable 2023 | San Salvador | ESA | 2023-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1622 | 1918 | 2.50 | 3 | -0.02 | 20 | -0.40 | |
|  Penate, Cesar | | | 1518 * | ESA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Rivera, Mario Alfredo | | | 1615 | ESA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Rodriguez, Cristian A. | | | 1734 | ESA | 0.50 | 1 | -0.24 | 20 | -4.80 | | | * 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 Centroamericano de ajedrez por Equipos 2023, Femenino Modalidad Clasica | La Paz | ESA | 2023-11-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1687 | 1918 | 2.00 | 3 | -0.27 | 20 | -5.40 | |
| | Lopez L., Dairyn D. | | | 1554 | GUA | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Diaz Charpentier, Kristel Meliss | | wm | 1933 | CRC | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Martinez Orozco, Cristiana Yorlen | | | 1573 | NCA | 1.00 | 1 | 0.11 | 20 | 2.20 | |
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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