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Individual Calculations January 2016 |
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| Cordova Pauca, Victor Total change: 22.00 | |   |
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| Gran Prix IRT Peru 2015 Sur | Arequipa | PER | 2015-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1844 | 1526 | 0.50 | 4 | -0.07 | 40 | -2.80 | |
|  Leiva, Giuseppe | m | | 1926 * | PER | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Medina, Elmer | | | 1742 | PER | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Barrera Ricra, Victor Hugo | | | 1781 | PER | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Diaz Mollenedo, Raul Walter | | | 1926 * | PER | 0.50 | 1 | 0.42 | 40 | 16.80 | | | * 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) | | | | Continental Panamerican Schools 2015 Under 13 | San Jose | CRC | 2015-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1546 | 1526 | 3.00 | 5 | 0.62 | 40 | 24.80 | |
| | Espitia Torres, Mateo | | | 1408 | CRC | 1.00 | 1 | 0.34 | 40 | 13.60 | |  Conrado, Roger | | | 1499 | NCA | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Salazar Cabezas, Alberto Javier | | | 1728 | NCA | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Soto Alfaro, Braulio | | | 1397 | CRC | 0.50 | 1 | -0.17 | 40 | -6.80 | | | Yearwood, Sean | c | | 1699 | TTO | 0.50 | 1 | 0.23 | 40 | 9.20 | |
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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