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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 |
| 1543 | 1894 | 5.50 | 7 | -0.59 | 40 | -23.60 | |
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 Coaquira Gonzales, Oscar Adriano | | | 1494 * | PER | 1.00 | 1 | 0.08 | 40 | 3.20 | |
 Ramirez Espino, Gian Sandro | | | 1432 | PER | 1.00 | 1 | 0.05 | 40 | 2.00 | |
| Ramirez Espino, Alessandro | | | 1580 | PER | 0.50 | 1 | -0.36 | 40 | -14.40 | |
| Reyes Zavaleta, Cristhian Yamil | | | 1810 | PER | 0.50 | 1 | -0.12 | 40 | -4.80 | |
| Maravi Ceron, Ayme | | | 1443 | PER | 1.00 | 1 | 0.06 | 40 | 2.40 | |
| Ccana Minauro, Wernher Sebastian | | | 1476 | PER | 0.50 | 1 | -0.43 | 40 | -17.20 | |
| Herrada, Blanco Maria Fernanda | | | 1566 | PER | 1.00 | 1 | 0.13 | 40 | 5.20 | |
| * 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) |
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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 |
| 1393 | 1894 | 2.00 | 2 | 0.10 | 40 | 4.00 | |
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| Guevara Huamani, Angello Mohises | | | 1494 * | PER | 1.00 | 1 | 0.08 | 40 | 3.20 | |
| Reyes Zavaleta, Sergio Gabriel | | | 1291 | PER | 1.00 | 1 | 0.02 | 40 | 0.80 | |
| * 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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| Campeonato Nacional de Ajedrez Impar 2023 - Sub 17 Femenino | Lima | PER | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1382 | 1894 | 5.00 | 7 | -1.69 | 40 | -67.60 | |
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| Moreyra Saravia, Luciana Belen | | | 1255 | PER | 1.00 | 1 | 0.01 | 40 | 0.40 | |
| Panta Fonseca, Camila | | | 1494 * | PER | 1.00 | 1 | 0.08 | 40 | 3.20 | |
| Espichan Serna, Magaly Del Rosari | | | 1265 | PER | 1.00 | 1 | 0.01 | 40 | 0.40 | |
| Tacas Cardenas, Andrea Ximena | | | 1544 | PER | 0.50 | 1 | -0.39 | 40 | -15.60 | |
| Soto Huaranca, Adriana Jakeline | | | 1389 | PER | 0.50 | 1 | -0.46 | 40 | -18.40 | |
| Ramirez Tipian, Valerie Luisciana | | | 1357 | PER | 1.00 | 1 | 0.03 | 40 | 1.20 | |
| Sumaria Choqueluque, Nikole Ange | | | 1371 | PER | 0.00 | 1 | -0.97 | 40 | -38.80 | |
| * 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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