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Individual Calculations April 2017 |
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| Wu, Rochelle Total change: 0.80 | |   |
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| 2017 Boris Kogan Memorial | Chamblee, Georgia | USA | 2017-03-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1975 | 1964 | 2.50 | 4 | 0.55 | 40 | 22.00 | |
|  Polk, Clay | | | 1920 | USA | 1.00 | 1 | 0.44 | 40 | 17.60 | |  Markin, Arden Quinlan | | | 1933 | USA | 0.50 | 1 | -0.04 | 40 | -1.60 | | | Wu, Logan | | | 1931 | USA | 0.50 | 1 | -0.05 | 40 | -2.00 | | | Puckett, Matthew | | | 2115 | USA | 0.50 | 1 | 0.20 | 40 | 8.00 | |
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) | | | | 21st Annual Mid-America Open | St. Louis, Missouri | USA | 2017-03-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1954 | 1964 | 0.50 | 2 | -0.53 | 40 | -21.20 | |
| | Leker Locker, Maor | | | 1920 | USA | 0.00 | 1 | -0.56 | 40 | -22.40 | | | Muratova, Saltanat | | | 1988 | KAZ | 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) | | |
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