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Individual Calculations September 2017 |
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| Roback, Joe Total change: -3.60 | |   |
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| 2017 Semiahmoo Open | Surrey | CAN | 2017-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2098 | 1993 | 2.00 | 6 | -0.18 | 20 | -3.60 | |
|  Doknjas, John | f | | 2227 | CAN | 1.00 | 1 | 0.79 | 20 | 15.80 | |  Doknjas, Joshua | c | | 2200 | CAN | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Li, James | | | 2027 | CAN | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Ferguson, Peter | | | 1975 | CAN | 1.00 | 1 | 0.47 | 20 | 9.40 | | | McLaren, Brian | | | 2123 | CAN | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Sadoughian-Zadeh, Farshad | | | 2038 | IRI | 0.00 | 1 | -0.44 | 20 | -8.80 | |
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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