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Individual Calculations May 2023 |
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| Quevedo Perales, Aaron Wilfredo Total change: 21.80 | |   |
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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 |
| 1383 | 1524 | 2.50 | 3 | 0.54 | 20 | 10.80 | |
|  Callupe Matias, Obed Esteban | | | 1131 | PER | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Ccana Minauro, Wernher Sebastian | | | 1390 | PER | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Bendezu Yupanqui, Albert Martin | | | 1627 | PER | 0.50 | 1 | 0.14 | 20 | 2.80 | |
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) | | | | V Torneo IRT Clasico Sub 2400 "Colegio Santisima Trinidad" | Lima | PER | 2023-03-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1506 | 1524 | 2.00 | 4 | -0.23 | 20 | -4.60 | |
| | Martinez Sanchez, Adrian Humberto | | | 1261 | PER | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Ccerhuayo Escobedo, Mels Leopold | | | 1981 | PER | 0.00 | 1 | -0.05 | 20 | -1.00 | | | Arenas Lavado, Luciana Andrea | | | 1416 | PER | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Acuna Alarcon, Claudia Micaela | | | 1365 | PER | 1.00 | 1 | 0.29 | 20 | 5.80 | |
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) | | | | Campeonato Regional Metropolitano Absoluto 2023 | Lima | PER | 2023-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1377 | 1524 | 3.50 | 4 | 0.78 | 20 | 15.60 | |
| | Villavicencio Luna Victoria, Fern | | | 1124 * | PER | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Chesa Horiuchi, Nikolas Gabriel | | | 1254 | PER | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Salazar Flores, Adiel Jesus | | | 1125 | PER | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Garcia Toledo, Pedro | | | 2006 | PER | 0.50 | 1 | 0.45 | 20 | 9.00 | | | * 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) | | |
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