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Individual Calculations January 2018 |
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| Acuna, Erwing Total change: 1.20 | |   |
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| Grand Prix Centro - Lima 2017 | Lima | PER | 2017-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1908 | 1835 | 3.00 | 7 | 0.03 | 40 | 1.20 | |
|  Fuentes, Moises | f | | 2176 | PER | 0.00 | 1 | -0.12 | 40 | -4.80 | |  Terrones Garcia, Juan Grabiel | | | 1615 | PER | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Zarate Oyague, Flor De Maria | | | 2025 | PER | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Chumpitaz, Ann | | wm | 2235 * | PER | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Orosco, Albert | | | 1679 | PER | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Varillas Jimenez, Ivan | | | 1474 | PER | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Rengifo Blancas, Renzo Jhonathan | | | 2151 | PER | 0.00 | 1 | -0.13 | 40 | -5.20 | | | * 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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