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Individual Calculations September 2023 |
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| Puente Arana, Oscar Total change: -19.00 | |   |
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| TORNEO IRT CLASICO PREPARACION AL NACIONAL 2023 SUB 1800 | Lima | PER | 2023-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1207 | 1582 | 3.50 | 5 | -0.95 | 20 | -19.00 | |
|  Ninahuanca Salazar, Ana Lucia | | | 1182 * | PER | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Rodriguez Zamudio, Zahir Joelson | | | 1169 | PER | 0.50 | 1 | -0.43 | 20 | -8.60 | | | Benito Arotoma, Antonio Leonel | | | 1068 | PER | 1.00 | 1 | 0.04 | 20 | 0.80 | | | Villaverde Salas, Gonzalo Matias | | | 1238 | PER | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Vizcarra Quispe, Ramalia Bellaluz | | | 1378 | PER | 0.00 | 1 | -0.76 | 20 | -15.20 | | | * 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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