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Individual Calculations January 2018 |
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| Arias, Mario Total change: 27.20 | |   |
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| Grand Prix Centro - Lima 2017 | Lima | PER | 2017-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2171 | 2242 | 6.00 | 8 | 1.36 | 20 | 27.20 | |
|  Salvador Solorzano, Enrique Jona | | | 1842 * | PER | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Sosa Patino, Carlos | | | 1978 | PER | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Cruz, Cristhian | g | | 2555 | PER | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Cosme Contreras, Trilce | | wm | 1987 | PER | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Zarate Oyague, Flor De Maria | | | 2025 | PER | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Fuentes, Moises | f | | 2176 | PER | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Fernandez, Fernando | m | | 2462 | PER | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Quirhuayo Chumbe, German Gonzalo | f | | 2346 | PER | 1.00 | 1 | 0.64 | 20 | 12.80 | | | * 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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