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Individual Calculations April 2016 |
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| Cohen, Lawrence S Total change: -0.80 | |   |
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| 2016 US Amateur Team Championship North | Schaumburgh, Illinois | USA | 2016-02-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1869 | 1930 | 1.00 | 2 | -0.16 | 20 | -3.20 | |
|  Coffman, Charles Z | | | 1817 | USA | 0.00 | 1 | -0.65 | 20 | -13.00 | |  Cohen, Howard | | | 1920 | USA | 1.00 | 1 | 0.49 | 20 | 9.80 | |
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) | | | | Reykjavik Open 2016 | Reykjavik | ISL | 2016-03-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2034 | 1930 | 4.00 | 10 | 0.12 | 20 | 2.40 | |
| | Koop, Thorben | m | | 2330 * | GER | 1.00 | 1 | 0.92 | 20 | 18.40 | | | Papp, Petra | | wg | 2325 | HUN | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Ptacnikova, Lenka | | wg | 2192 | ISL | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Barthel, Ansgar | | | 2166 | GER | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Viglundsson, Bjorgvin | | | 2164 | ISL | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Rowan, Daniel | | | 1801 | ENG | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Finnsson, Johann Arnar | | | 1664 | ISL | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Adocchio, Giampiero, Dr. | | | 2174 | GER | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Danielsson, Sigurdur | | | 1763 | ISL | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Haraldsson, Oskar | | | 1765 | ISL | 1.00 | 1 | 0.28 | 20 | 5.60 | | | * 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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