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| XII Open IRT U-1600 Club Hermanos Rojas | Lima | PER | 2020-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1232 | 1164 | 4.50 | 7 | 1.53 | 29 | 44.37 | |
|
 Zapata Romero, Italo German | | | 1338 | PER | 0.00 | 1 | -0.27 | 29 | -7.83 | |
 Francisco Suyo, David Elias | | | 1021 | PER | 1.00 | 1 | 0.31 | 29 | 8.99 | |
| Gallegos Uscamayta, Wilson | | | 1256 | PER | 1.00 | 1 | 0.63 | 29 | 18.27 | |
| Ramirez Flores, Lino Alfredo | | | 1148 | PER | 1.00 | 1 | 0.48 | 29 | 13.92 | |
| Lazaro Cuevas, Ronald Anthony | | | 1564 * | PER | 0.00 | 1 | -0.08 | 29 | -2.32 | |
| Garayar Peralta, Luis Fernando | | | 1121 | PER | 1.00 | 1 | 0.44 | 29 | 12.76 | |
| Ponciano Madueno, Luis Felipe | | | 1176 | PER | 0.50 | 1 | 0.02 | 29 | 0.58 | |
| * 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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| XIII Open IRT U-1600 Club Hermanos Rojas. | Lima | PER | 2020-02-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1293 | 1217 | 3.00 | 5 | 0.91 | 29 | 26.39 | |
|
| Reyes Zavaleta, Diego Alexander | | | 1541 | PER | 0.50 | 1 | 0.37 | 29 | 10.73 | |
| Ramirez Mori, Angel Farid | | | 1210 | PER | 0.00 | 1 | -0.51 | 29 | -14.79 | |
| Apolin Meza, Tito | | | 1491 | PER | 1.00 | 1 | 0.83 | 29 | 24.07 | |
| Coaquira Gonzales, Oscar Adriano | | | 1036 | PER | 1.00 | 1 | 0.26 | 29 | 7.54 | |
| Ponciano Madueno, Luis Felipe | | | 1189 | PER | 0.50 | 1 | -0.04 | 29 | -1.16 | |
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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| XIV Open IRT U-1600 Club Hermanos Rojas. | Lima | PER | 2020-02-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1133 | 1217 | 5.50 | 7 | 1.21 | 29 | 35.09 | |
|
| Francisco Suyo, David Elias | | | 1058 | PER | 0.50 | 1 | -0.21 | 29 | -6.09 | |
| Campos Aquino, Benjhamyn Joshua | | | 1052 | PER | 1.00 | 1 | 0.28 | 29 | 8.12 | |
| Guzman Vera, Allison Nicole | | | 1067 | PER | 1.00 | 1 | 0.30 | 29 | 8.70 | |
| Zapata Romero, Italo German | | | 1338 | PER | 1.00 | 1 | 0.66 | 29 | 19.14 | |
| Linares Matos, Mauricio Alonso | | | 1174 | PER | 0.50 | 1 | -0.06 | 29 | -1.74 | |
| Ponciano Madueno, Luis Felipe | | | 1189 | PER | 1.00 | 1 | 0.46 | 29 | 13.34 | |
| Vilca Contreras, Dante Ivan | | | 1052 | PER | 0.50 | 1 | -0.22 | 29 | -6.38 | |
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 Metropolitano Juvenil 2020 - Sub 12 Absoluto | Lima | PER | 2020-02-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1196 | 1217 | 2.00 | 5 | -0.69 | 29 | -20.01 | |
|
| Boronda Costilla, Gianpool Claudi | | | 1032 | PER | 1.00 | 1 | 0.26 | 29 | 7.54 | |
| Riveros Rodriguez, Yeral Manuel | | | 1536 | PER | 0.00 | 1 | -0.13 | 29 | -3.77 | |
| Huertas Poma, Adrian Antonio | | | 1107 | PER | 0.50 | 1 | -0.15 | 29 | -4.35 | |
| Parra Gonzales, Andre Leonardo | | | 1112 | PER | 0.50 | 1 | -0.14 | 29 | -4.06 | |
| Casqui Lopez, Marlon Gabriel | | | 1194 | PER | 0.00 | 1 | -0.53 | 29 | -15.37 | |
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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