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Individual Calculations February 2017 |
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| Hakobyan, Sos Total change: -2.60 | |   |
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| Berkeley Chess Club Championship | Berkeley, California | USA | 2016-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1866 | 1868 | 2.00 | 4 | 0.09 | 20 | 1.80 | |
|  Erdenebileg, Suzie | | | 1468 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  O`connor, Derek | | | 2109 | USA | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Gaffagan, Steven | | | 2015 | USA | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Sarafian, Greg M | | | 1872 | USA | 1.00 | 1 | 0.51 | 20 | 10.20 | | | * 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) | | | | BCS Weekender January | Berkeley, California | USA | 2017-01-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1939 | 1869 | 1.00 | 3 | -0.22 | 20 | -4.40 | |
| | Sevall, Jacob Came | | | 1962 | GER | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Padmanabhan, Akshay | | | 1811 | USA | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Viswanath, Ganesh | | | 2044 | AUS | 0.50 | 1 | 0.23 | 20 | 4.60 | |
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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