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Individual Calculations October 2015 |
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| Wang, Ricky Total change: 31.60 | |   |
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| 2015 Illinois Open State Chess Championship | Northbrook, Illinois | USA | 2015-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1974 | 1816 | 2.00 | 4 | 0.79 | 40 | 31.60 | |
|  Xu, Arthur Zihan | | | 1800 | USA | 1.00 | 1 | 0.48 | 40 | 19.20 | |  Freitag, Todd M | | | 2031 | USA | 0.00 | 1 | -0.23 | 40 | -9.20 | | | McLaughlin, James F | | | 1982 | USA | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Keating, Robert F | | | 2082 | USA | 0.00 | 1 | -0.18 | 40 | -7.20 | |
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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