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Individual Calculations June 2023 |
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| Santivanez Atencio, Tiago Gerard Total change: 58.00 | |   |
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| Campeonato Regional Norte Centro Absoluto y Femenino 2023 "IN MEMORIAM MF. CARLOS BARRETO CARRENO" | Huacho | PER | 2023-04-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1741 | 1389 | 2.00 | 4 | 1.20 | 40 | 48.00 | |
|  Retamozo, Kevin | | | 2083 | PER | 0.50 | 1 | 0.49 | 40 | 19.60 | |  Caro Miranda, Peter Valentino | | | 1368 | PER | 1.00 | 1 | 0.47 | 40 | 18.80 | | | Santiago Perez, Luis Yamil | | | 1607 | PER | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Navarro Ariza, Justin Jeshua | c | | 1904 | PER | 0.00 | 1 | -0.04 | 40 | -1.60 | |
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) | | | | 3 Open IRT Circulo Peruano de Ajedrez | Lima | PER | 2023-05-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1416 | 1498 | 4.00 | 6 | 0.33 | 40 | 13.20 | |
| | Rojas Salas, Rihanna Irina | | | 1256 | PER | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Jimenez Salas, Maria Teresa | | wf | 1924 | PER | 0.50 | 1 | 0.43 | 40 | 17.20 | | | Garay Ramirez, Estefano Javier | | | 1572 | PER | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Coaquira Gonzales, Oscar Adriano | | | 1222 | PER | 0.00 | 1 | -0.83 | 40 | -33.20 | | | Valdivia Rojas, Hugo Ismael | | | 1164 | PER | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Mendoza Galindo, Rodrigo Mateo | | | 1360 | PER | 1.00 | 1 | 0.31 | 40 | 12.40 | |
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) | | | | VI IRT CLASICO SUB 2400 "Colegio Santisima Trinidad" | Lima | PER | 2023-05-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1370 | 1498 | 2.50 | 4 | -0.08 | 40 | -3.20 | |
| | Pacheco Montalvo, Miguel Angel | | | 1098 * | PER | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Mostacero Velarde, Isabella | | wf | 1771 | PER | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Ramirez Espino, Gian Sandro | | | 1366 | PER | 0.50 | 1 | -0.18 | 40 | -7.20 | | | Samaniego Laura, Nicolas Diederic | | | 1245 | PER | 1.00 | 1 | 0.19 | 40 | 7.60 | | | * 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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