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Individual Calculations October 2015 |
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| Newsom, Gary Dale Total change: -22.80 | |   |
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| American Chess Promotions Open | Chamblee, Georgia | USA | 2015-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2047 | 2073 | 1.00 | 4 | -1.14 | 20 | -22.80 | |
|  Cheng, Xiao | f | | 2277 | USA | 0.00 | 1 | -0.24 | 20 | -4.80 | |  Leite, George S | | | 2079 | USA | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Brookshear, Timothy | | | 1972 | USA | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Wu, Logan | | | 1860 | USA | 1.00 | 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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