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Individual Calculations May 2018 |
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| Boldi, Ethan Total change: -5.20 | |   |
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| 2018 Northern California Barber Qualifier | San Jose, California | USA | 2018-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1906 | 1789 | 1.00 | 3 | -0.13 | 40 | -5.20 | |
|  Kolay, Alex | | | 2172 | USA | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Lu, Joshua | | | 1767 | USA | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Cheng, Daniel | | | 1779 | USA | 1.00 | 1 | 0.49 | 40 | 19.60 | |
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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