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Individual Calculations July 2023 |
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| Alarcon Hervias, Wilfredo Maximo Total change: -25.20 | |   |
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| Torneo IRT Chimbote Sub 1900 | Chimbote | PER | 2023-05-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1497 | 1344 | 1.00 | 3 | -0.12 | 40 | -4.80 | |
|  Bravo Mendoza, Diego Eduardo | | | 1438 | PER | 0.50 | 1 | 0.13 | 40 | 5.20 | |  Alarcon Garcia, Ruy Salomon | | | 1175 | PER | 0.50 | 1 | -0.22 | 40 | -8.80 | | | Fuentes Alarcon, Angelo Moises | | | 1879 | PER | 0.00 | 1 | -0.03 | 40 | -1.20 | |
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) | | | | Torneo IRT Club de Ajedrez Enroque Sub 2250 | Chimbote | PER | 2023-06-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1570 | 1344 | 0.00 | 2 | -0.51 | 40 | -20.40 | |
| | Rodriguez Rubio, Alex Steven | | | 1742 | PER | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Medina Perez, Antony Alexander | | | 1397 | PER | 0.00 | 1 | -0.43 | 40 | -17.20 | |
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) | | |
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