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Individual Calculations September 2016 |
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| Samuelson, Andrew Total change: 3.60 | |   |
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| Northern Virginia Chess League Season 2 Round 1 | Sterling, Virginia | USA | 2016-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1883 | 2247 | 1.00 | 1 | 0.10 | 20 | 2.00 | |
|  Tan, Richard T | | | 1883 | USA | 1.00 | 1 | 0.10 | 20 | 2.00 | |
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) | | | | 48th Annual Atlantic Open | Arlington, Virginia | USA | 2016-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2113 | 2247 | 2.00 | 3 | 0.08 | 20 | 1.60 | |
| | Senft, Sean | | | 1861 | USA | 1.00 | 1 | 0.09 | 20 | 1.80 | |  Nguyen, Tan | f | | 1972 | USA | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Kudrin, Sergey | g | | 2506 | USA | 0.00 | 1 | -0.18 | 20 | -3.60 | |
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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