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Individual Calculations December 2017 |
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| Lazarus, Barry J Total change: -21.60 | |   |
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| 53rd Annual American Open - U2200 | Costa Mesa, California | USA | 2017-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1809 | 1822 | 2.00 | 6 | -1.08 | 20 | -21.60 | |
|  Wang, Yuan | | | 1966 | USA | 0.00 | 1 | -0.31 | 20 | -6.20 | |  Hough, Randall | | | 1785 | USA | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Alonso, Francisco | | | 1889 | USA | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Selvam, Sanjay | | | 1560 | USA | 0.00 | 1 | -0.82 | 20 | -16.40 | | | Vu, Leonard | | | 1719 | USA | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Vihon, Howard | | | 1934 | USA | 1.00 | 1 | 0.65 | 20 | 13.00 | |
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) | | |
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