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Individual Calculations October 2015 |
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| Oen, Grant Total change: 37.80 | |   |
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| 2015 North Carolina Open | Greensboro, North Carolina | USA | 2015-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2040 | 1941 | 2.50 | 4 | 1.03 | 40 | 41.20 | |
|  Potter, John Russell | | | 2141 | USA | 0.50 | 1 | 0.26 | 40 | 10.40 | |  Linde, Darcy J | | | 1997 | USA | 0.50 | 1 | 0.08 | 40 | 3.20 | | | Carter, Emmanuel | | | 2057 | USA | 1.00 | 1 | 0.66 | 40 | 26.40 | | | Chen, Kevin B | | | 1963 | USA | 0.50 | 1 | 0.03 | 40 | 1.20 | |
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) | | | NOTE: K factor changed | | American Chess Promotions Open | Chamblee, Georgia | USA | 2015-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2142 | 1968 | 1.00 | 4 | -0.17 | 20 | -3.40 | |
| | Studen, Damir | | | 2255 | USA | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Butros, Ryan Tayla | | | 2132 | TUR | 1.00 | 1 | 0.72 | 20 | 14.40 | | | Cheng, Xiao | f | | 2277 | USA | 0.00 | 1 | -0.14 | 20 | -2.80 | | | White, Lawrence Al | | | 1904 | USA | 0.00 | 1 | -0.59 | 20 | -11.80 | |
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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