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Individual Calculations February 2017 |
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| Zhang, Derek Total change: 64.40 | |   |
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| 8th Annual Golden State Open | Concord, California | USA | 2017-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2196 | 1976 | 2.50 | 4 | 1.61 | 40 | 64.40 | |
|  Heiserman, Jimmy | | | 2187 | USA | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Lee, Andy C | f | | 2252 | USA | 0.50 | 1 | 0.33 | 40 | 13.20 | |  Haessel, Dale R | f | | 2196 | CAN | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Stearman, Josiah P | f | | 2150 | USA | 1.00 | 1 | 0.73 | 40 | 29.20 | |
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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