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Individual Calculations May 2023 |
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| Mostacero Velarde, Isabella Total change: -57.20 | |   |
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| 2 Open IRT U2400 Circulo Peruano de Ajedrez | Lima | PER | 2023-03-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1341 | 1828 | 2.00 | 3 | -0.86 | 20 | -17.20 | |
|  Ccana Minauro, Reiben Andre | | | 1337 | PER | 0.00 | 1 | -0.96 | 20 | -19.20 | |  Reyes Zavaleta, Sergio Gabriel | | | 1258 | PER | 1.00 | 1 | 0.02 | 20 | 0.40 | | | Callupe Matias, Obed Esteban | | | 1428 * | PER | 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) | | | | V Torneo IRT Clasico Sub 2400 "Colegio Santisima Trinidad" | Lima | PER | 2023-03-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1387 | 1828 | 2.50 | 4 | -1.21 | 20 | -24.20 | |
| | Sotelo Reyna, Alberto David | | | 1428 * | PER | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Fernandez Monteza, Fabian Arturo | | | 1193 | PER | 1.00 | 1 | 0.01 | 20 | 0.20 | | | De La Cruz De La Roca, Alan Rafae | | | 1435 | PER | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Rojas, Irving | | | 1492 | PER | 0.50 | 1 | -0.38 | 20 | -7.60 | | | * 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 Regional Metropolitano Absoluto 2023 | Lima | PER | 2023-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1428 | 1828 | 1.00 | 1 | 0.08 | 20 | 1.60 | |
| | Montero Ricra, Kevin Johan | | | 1428 * | PER | 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 Regional Metropolitano Femenino 2023 | Lima | PER | 2023-04-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1399 | 1828 | 1.00 | 2 | -0.87 | 20 | -17.40 | |
| | Maravi Ceron, Ayme | | | 1370 | PER | 0.00 | 1 | -0.95 | 20 | -19.00 | | | Tacas Granda, Natalia Lisseth | | | 1428 * | PER | 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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