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| 4 Open IRT U2400 Circulo Peruano de Ajedrez | Lima | PER | 2023-06-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1315 | 1411 | 3.00 | 5 | -0.05 | 36 | -1.80 | |
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 Bendezu Yupanqui, Albert Martin | | | 1678 | PER | 0.00 | 1 | -0.18 | 36 | -6.48 | |
| Guevara Huamani, Angello Mohises | | | 1117 | PER | 1.00 | 1 | 0.15 | 36 | 5.40 | |
 Munoz Aguilera, Edward Godfred | | | 1195 | PER | 0.50 | 1 | -0.28 | 36 | -10.08 | |
| Ayala Aranibar, Adrian Alexander | | | 1068 | PER | 1.00 | 1 | 0.12 | 36 | 4.32 | |
| Acuna Alarcon, Claudia Micaela | | | 1515 | PER | 0.50 | 1 | 0.14 | 36 | 5.04 | |
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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| V Open IRT Circulo Peruano de Ajedrez sub 2400 | Lima | PER | 2023-07-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1814 | 1411 | 0.50 | 3 | 0.26 | 36 | 9.36 | |
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| Caceres Sandoval, Eduardo | | | 1776 | PER | 0.00 | 1 | -0.10 | 36 | -3.60 | |
| Anamaria Estrada, Franco | | | 1837 | PER | 0.50 | 1 | 0.43 | 36 | 15.48 | |
| Garcia Andrada, Heidy Nicole | | wf | 1830 | PER | 0.00 | 1 | -0.07 | 36 | -2.52 | |
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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| VI Open IRT Circulo Peruano de Ajedrez sub 2400 | Lima | PER | 2023-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1404 | 1411 | 2.50 | 5 | 0.02 | 36 | 0.72 | |
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| Ayala Aranibar, Adrian Alexander | | | 1068 | PER | 0.50 | 1 | -0.38 | 36 | -13.68 | |
| Herrada, Blanco Maria Fernanda | | | 1566 | PER | 1.00 | 1 | 0.71 | 36 | 25.56 | |
| Ramirez Mori, Angel Farid | | | 1384 | PER | 0.00 | 1 | -0.54 | 36 | -19.44 | |
| Stuart Llanos, Alejandro Jose | | | 1406 | PER | 1.00 | 1 | 0.49 | 36 | 17.64 | |
| Gonzalo Garate, Luis Valentino | | | 1595 | PER | 0.00 | 1 | -0.26 | 36 | -9.36 | |
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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| IRT Clasico Festival de Ajedrez AOPIP Armagedon | Lima | PER | 2023-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1511 | 1411 | 3.00 | 6 | 0.85 | 36 | 30.60 | |
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| Torres Laca, Victor Manuel | | | 1661 | PER | 0.00 | 1 | -0.19 | 36 | -6.84 | |
| Villavicencio Luna Victoria, Fern | | | 1024 | PER | 1.00 | 1 | 0.09 | 36 | 3.24 | |
| Suarez Aybar, Miguel Angel | | | 1633 | PER | 1.00 | 1 | 0.78 | 36 | 28.08 | |
| Herrada, Blanco Maria Fernanda | | | 1566 | PER | 0.00 | 1 | -0.29 | 36 | -10.44 | |
| Quevedo Perales, Aaron Wilfredo | | | 1522 | PER | 1.00 | 1 | 0.65 | 36 | 23.40 | |
| Pizzardo, Yoel | | | 1660 | PER | 0.00 | 1 | -0.19 | 36 | -6.84 | |
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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