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Individual Calculations September 2023 |
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| Zapata Romero, Italo German Total change: 10.00 | |   |
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| XIV Festival Internacional de Ajedrez Claretiano 2023 Sub - 16 | Lima | PER | 2023-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1433 | 1585 | 5.50 | 7 | 0.75 | 40 | 30.00 | |
|  Ayala Aranibar, Adrian Alexander | | | 1185 * | PER | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Orihuela Barreda, Alondra | | | 1269 | PER | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Calcina Arroyo, Richard Antonio A | | | 1415 | PER | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Rojas Linares, Nicolas Gabriel | | | 1797 | PER | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Cardenas Huachaca, Alessandro Jai | | | 1390 | PER | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Aracayo Chuquija, Juan Daniel | | | 1410 | PER | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Herrada, Blanco Maria Fernanda | | | 1566 | PER | 0.50 | 1 | -0.03 | 40 | -1.20 | | | * 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 de Ajedrez Metropolitano Impar Sub 17 Absoluto | Lima | PER | 2023-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1448 | 1544 | 2.50 | 5 | -0.50 | 40 | -20.00 | |
| | Chavez Bautista, Lennin Alfredo | | | 1284 | PER | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Campos Montesinos, Andrew Uxon | | | 1157 | PER | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Salazar Flores, Yerick Alexander | | | 1692 | PER | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Diaz Bermudez, Pedro Teofilo | | | 1470 | PER | 0.00 | 1 | -0.60 | 40 | -24.00 | | | Villafuerte Mamani, Khalid Stepha | | | 1637 | PER | 0.00 | 1 | -0.37 | 40 | -14.80 | |
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) | | |
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