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Individual Calculations September 2023 |
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| Herrada, Blanco Maria Fernanda Total change: 46.25 | |   |
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| I Open IRT Club Regatas sub 2400 | Lima | PER | 2023-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1488 | 1566 | 3.00 | 5 | 0.08 | 25 | 2.00 | |
|  Figueroa Penny, Antonio Alfredo | | | 1178 | PER | 1.00 | 1 | 0.09 | 25 | 2.25 | | | Reyes Zavaleta, Cristhian Yamil | | | 1810 | PER | 0.00 | 1 | -0.20 | 25 | -5.00 | |  Iman Terry, Aldo Luis Fabiano | | | 1250 | PER | 1.00 | 1 | 0.13 | 25 | 3.25 | | | Reyes Zavaleta, Sergio Gabriel | | | 1291 | PER | 0.50 | 1 | -0.33 | 25 | -8.25 | | | Garcia Toledo, Pedro | | | 1911 | PER | 0.50 | 1 | 0.39 | 25 | 9.75 | |
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) | | | | XIV Festival Internacional de Ajedrez Claretiano 2023 Sub - 16 | Lima | PER | 2023-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1451 | 1566 | 5.50 | 7 | 1.09 | 25 | 27.25 | |
| | Gallardo Ponce, Mathias Adrian | | | 1166 * | PER | 1.00 | 1 | 0.08 | 25 | 2.00 | | | Ortiz Mallma, Fabian Ivan | | | 1277 | PER | 1.00 | 1 | 0.16 | 25 | 4.00 | | | Solorzano Roncal, Ezzio Jose | | | 1376 | PER | 1.00 | 1 | 0.25 | 25 | 6.25 | | | Cahuapaza Tarapaca, Leonardo | | | 1752 | PER | 1.00 | 1 | 0.74 | 25 | 18.50 | | | Vilcapoma Pacheco, Gabriel | | | 1603 | PER | 0.00 | 1 | -0.45 | 25 | -11.25 | | | Sotelo Leon, Ester Victoria | | | 1400 | PER | 1.00 | 1 | 0.28 | 25 | 7.00 | | | Zapata Romero, Italo German | | | 1585 | PER | 0.50 | 1 | 0.03 | 25 | 0.75 | | | * 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) | | | | XXXIII Pan-American Youth Chess Festival - Under 14 Female | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1552 | 1545 | 6.50 | 9 | 2.06 | 25 | 51.50 | |
| | Desai, Esha | | | 1189 | USA | 1.00 | 1 | 0.11 | 25 | 2.75 | | | Fausto, Aliana | | | 1320 | USA | 1.00 | 1 | 0.22 | 25 | 5.50 | | | Gaw, Chloe | | | 1874 | USA | 0.50 | 1 | 0.38 | 25 | 9.50 | | | Mayorga Araya, Sofia | | wc | 1871 | CRC | 1.00 | 1 | 0.87 | 25 | 21.75 | | | Ananth, Ananya | | | 1759 | USA | 0.50 | 1 | 0.27 | 25 | 6.75 | | | Zhang, Kylie | | | 1673 | USA | 0.00 | 1 | -0.33 | 25 | -8.25 | | | El Hage Serrano, Caely | | | 1528 | BOL | 0.50 | 1 | -0.02 | 25 | -0.50 | | | Xiao, Marina | | | 1403 | USA | 1.00 | 1 | 0.31 | 25 | 7.75 | | | Pham, Linda | | | 1350 | USA | 1.00 | 1 | 0.25 | 25 | 6.25 | |
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 de Ajedrez Metropolitano Impar Sub 17 Absoluto | Lima | PER | 2023-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1219 | 1545 | 0.50 | 2 | -1.23 | 25 | -30.75 | |
| | Campos Montesinos, Andrew Uxon | | | 1157 | PER | 0.00 | 1 | -0.91 | 25 | -22.75 | | | Huaynate Gonzales, Estefano Andre | | | 1281 | PER | 0.50 | 1 | -0.32 | 25 | -8.00 | |
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 de Ajedrez Metropolitano Impar Sub 15 Femenino | Lima | PER | 2023-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1341 | 1545 | 3.50 | 5 | -0.15 | 25 | -3.75 | |
| | Valenzuela Reinoso, Safrys | | | 1141 | PER | 1.00 | 1 | 0.08 | 25 | 2.00 | | | Jacome Cueva, Mariah Fernanda | | | 1185 | PER | 0.00 | 1 | -0.90 | 25 | -22.50 | | | Gomez Gonzales, Fabiana | | | 1469 | PER | 1.00 | 1 | 0.40 | 25 | 10.00 | | | Acuna Alarcon, Claudia Micaela | | | 1537 | PER | 1.00 | 1 | 0.49 | 25 | 12.25 | | | Esteban Castro, Esther Raquel | | | 1375 | PER | 0.50 | 1 | -0.22 | 25 | -5.50 | |
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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