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Individual Calculations September 2014 |
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| Samuelson, Andrew Total change: 4.20 | |   |
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| 4th Annual Potomac Open | Rockville, Maryland | USA | 2014-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2081 | 2214 | 3.00 | 5 | -0.35 | 20 | -7.00 | |
|  Spencer, Michael A | | | 1980 | USA | 1.00 | 1 | 0.21 | 20 | 4.20 | |  Li, Ben | | | 1967 | USA | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Nydick, Brandon | | | 2014 | USA | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Barbosa, Oliver | g | | 2540 | PHI | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Slack, David | | | 1902 | USA | 1.00 | 1 | 0.14 | 20 | 2.80 | |
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) | | | | 46th Annual Atlantic Open | Washington DC | USA | 2014-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2231 | 2214 | 3.00 | 5 | 0.56 | 20 | 11.20 | |
| | Kostovetsky, Daniel | | | 1907 | USA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Jacobson, Aaron | | | 1936 | USA | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Lenderman, Aleksandr | g | | 2601 | USA | 1.00 | 1 | 0.91 | 20 | 18.20 | | | Dlugy, Maxim | g | | 2490 | USA | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Shibut, Macon A | f | | 2219 | USA | 0.00 | 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) | | |
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