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Individual Calculations March 2018 |
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| Wisky Perez, Alexander Van Total change: -12.40 | |   |
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| Campeonato Metropolitano Juvenil Grupo A Sub14 Absoluto | Lima | PER | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1455 | 1291 | 1.00 | 4 | -0.14 | 40 | -5.60 | |
|  Palomino Taipe, Celso | | | 1539 | PER | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Travezano Patino, Eduard Gedeon | | | 1450 | PER | 0.50 | 1 | 0.21 | 40 | 8.40 | |  Pastor Aragon, Mateo | | | 1438 | PER | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Macukachi Nolasco, Fabricio Facu | | | 1394 | PER | 0.00 | 1 | -0.36 | 40 | -14.40 | |
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) | | | | Copa Latinoamericana de Ajedrez Categoria C Juvenil | Lima | PER | 2018-01-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1381 | 1291 | 1.50 | 6 | -0.84 | 40 | -33.60 | |
| | La Rosa Barreto, Carlos Said | | | 1540 | PER | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Caceres Sandoval, Eduardo | | | 1494 | PER | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Saavedra Espiritu, Josue Moises | | | 1127 | PER | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Vasquez Vargas, Henry Richard | | | 1545 | PER | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Guardamino Cajo, Yelena Indira | | | 1125 | PER | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Laguna Fernandez, Jorge Guillerm | | | 1457 | PER | 0.00 | 1 | -0.28 | 40 | -11.20 | |
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 Nacional Juvenil 2018 Categoria Sub 14 Absoluta | Lima | PER | 2018-02-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1479 | 1291 | 2.50 | 7 | 0.67 | 40 | 26.80 | |
| | Fuentes Alarcon, Paolo Eduardo | | | 1612 | PER | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Laguna Fernandez, Jorge Guillerm | | | 1457 | PER | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Macukachi Nolasco, Fabricio Facu | | | 1394 | PER | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Rodriguez Rubio, Alex Steven | | | 1550 | PER | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Pastor Aragon, Mateo | | | 1438 | PER | 1.00 | 1 | 0.70 | 40 | 28.00 | | | Ayala Alban, Mael | | | 1484 | PER | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Mendoza Alvarez, Diego | | | 1417 | PER | 0.50 | 1 | 0.17 | 40 | 6.80 | |
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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