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Individual Calculations January 2020 |
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| Akopian, Robert Total change: -7.00 | |   |
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| 55th Annual American Open | Costa Mesa, California | USA | 2019-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1948 | 1997 | 3.50 | 7 | -0.35 | 20 | -7.00 | |
|  Casella, Michael | f | | 2195 | USA | 0.00 | 1 | -0.24 | 20 | -4.80 | |  Atwell, Rose | | | 1817 | USA | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Mahajan, Rushaan | c | | 1956 | USA | 0.00 | 1 | -0.56 | 20 | -11.20 | | | Song, Jacob | | | 1980 | USA | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Huang, Brian | | | 1597 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Salik, Serkan | | | 2006 | USA | 0.50 | 1 | 0.01 | 20 | 0.20 | | | Lu, Ming | | | 2084 | USA | 1.00 | 1 | 0.62 | 20 | 12.40 | | | * 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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