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Individual Calculations January 2016 |
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| Santiago Lastra, Nefi Total change: 1.40 | |   |
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| Gran Prix IRT Peru 2015 Sur | Arequipa | PER | 2015-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1784 | 1939 | 4.00 | 6 | 0.07 | 20 | 1.40 | |
|  Naveros Chile, Cristian | | | 1539 * | PER | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Santiago Vilca, Waldo Luis | | | 1539 * | PER | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gallo Ponce, Elbert | f | | 2236 | PER | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Lipa, Jose | | | 1653 | PER | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Mamani, Joan Franco | | | 2188 | PER | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Velasquez Ramos, Marcelo | | | 1549 | PER | 1.00 | 1 | 0.09 | 20 | 1.80 | | | * 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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