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Individual Calculations December 2017 |
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| Ancheta, Rene Total change: -61.20 | |   |
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| 2017 Illinois Senior State Championship | Schaumburg, Illinois | USA | 2017-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1733 | 2036 | 1.00 | 3 | -1.53 | 40 | -61.20 | |
|  Henderson Jr, S E | | | 1640 | USA | 0.00 | 1 | -0.92 | 40 | -36.80 | | | Cohen, Lawrence | | | 1864 | USA | 0.00 | 1 | -0.73 | 40 | -29.20 | |  Engelen, Mark S | | | 1696 | USA | 1.00 | 1 | 0.12 | 40 | 4.80 | |
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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