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| 7 Open IRT U2400 Circulo Peruano de Ajedrez | Lima | PER | 2023-10-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1403 | 1572 | 3.50 | 6 | -0.72 | 29 | -20.88 | |
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 Suarez Chavez, Alejandro | | | 1180 | PER | 1.00 | 1 | 0.08 | 29 | 2.32 | |
 Garay Ramirez, Estefano Javier | | | 1665 | PER | 0.00 | 1 | -0.37 | 29 | -10.73 | |
| Meneses Morales, Marcos Beltran | | | 1400 | PER | 1.00 | 1 | 0.27 | 29 | 7.83 | |
| Reyes Zavaleta, Sergio Gabriel | | | 1341 | PER | 0.00 | 1 | -0.79 | 29 | -22.91 | |
| Salas Gonzales, David Ademar | | | 1362 | PER | 0.50 | 1 | -0.27 | 29 | -7.83 | |
| Bejarano Martinez, Diego | | | 1470 | PER | 1.00 | 1 | 0.36 | 29 | 10.44 | |
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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| 2 Open IRT U2400 Club Regatas Lima | Lima | PER | 2023-10-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1582 | 1572 | 2.00 | 3 | 0.50 | 29 | 14.50 | |
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| Panitz Morales, Ralph Pedro | | | 2017 | VEN | 0.00 | 1 | -0.06 | 29 | -1.74 | |
| Mendoza Alata, Victor Gabriel | | | 1172 * | PER | 1.00 | 1 | 0.08 | 29 | 2.32 | |
| Zevallos Cordova, Enrique Ruben O | | | 1558 | PER | 1.00 | 1 | 0.48 | 29 | 13.92 | |
| * 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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| IRT Panamericano Armagedon | Lima | PER | 2023-10-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1468 | 1572 | 4.50 | 6 | 0.70 | 29 | 20.30 | |
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| Hernandez Perdomo, Ronny Daniel | | | 1194 | VEN | 1.00 | 1 | 0.09 | 29 | 2.61 | |
| Ponciano Madueno, Luis Felipe | | | 1409 | PER | 1.00 | 1 | 0.28 | 29 | 8.12 | |
| Ramirez Espino, Gian Sandro | | | 1424 | PER | 0.50 | 1 | -0.20 | 29 | -5.80 | |
| Calvo Arana, Ernesto | | | 1400 | PER | 0.00 | 1 | -0.73 | 29 | -21.17 | |
| Bedoya Rosales, Luis | | | 1879 | PER | 1.00 | 1 | 0.86 | 29 | 24.94 | |
| Alvarado Navarro, Dante | | | 1503 | ECU | 1.00 | 1 | 0.40 | 29 | 11.60 | |
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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| XII Campeonato Panamericano Escolar de Ajedrez - Sub 15 Absoluto | Lima | PER | 2023-10-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1440 | 1572 | 4.00 | 9 | -1.93 | 29 | -55.97 | |
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| Vasquez Uribe, Alessandro Jose | | | 1170 | PER | 1.00 | 1 | 0.08 | 29 | 2.32 | |
| Gelacio Mego, Zahir Roberto | | | 1276 | PER | 1.00 | 1 | 0.15 | 29 | 4.35 | |
| Ramirez Sifuentes, Luis Angel | | | 1869 | PER | 0.00 | 1 | -0.15 | 29 | -4.35 | |
| Vega Castillo, Luis Angel Juniur | | | 1411 | PER | 1.00 | 1 | 0.29 | 29 | 8.41 | |
| Quiroz Alva, Gian Carlo Gabriel | | | 1727 | PER | 0.00 | 1 | -0.29 | 29 | -8.41 | |
| Ramirez Espino, Gian Sandro | | | 1424 | PER | 0.50 | 1 | -0.20 | 29 | -5.80 | |
| Solorzano Roncal, Giordano Caleb | | | 1352 | PER | 0.00 | 1 | -0.78 | 29 | -22.62 | |
| Pariona Palomino, Miguel Angel | | | 1381 | PER | 0.50 | 1 | -0.25 | 29 | -7.25 | |
| Castaneda Huamani, Frank Eder | | | 1351 | PER | 0.00 | 1 | -0.78 | 29 | -22.62 | |
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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