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Individual Calculations June 2018 |
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| Patterson, Roger Total change: -16.60 | |   |
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| 2018 Keres Memorial | Vancouver | CAN | 2018-05-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1985 | 2040 | 2.00 | 5 | -0.83 | 20 | -16.60 | |
|  James, Rowan | | | 1790 | CAN | 0.50 | 1 | -0.31 | 20 | -6.20 | |  Ferguson, Peter | | | 1785 | CAN | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Schnabel, Bennett | | | 2108 | GER | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Moura, Eduardo | | | 2218 | BRA | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Tang, Edward | | | 2022 | CAN | 0.50 | 1 | -0.03 | 20 | -0.60 | |
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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