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Individual Calculations April 2018 |
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| Kellar, Ben Total change: 15.80 | |   |
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| 2018 RA March Open | Ottawa | CAN | 2018-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2000 | 1903 | 2.00 | 4 | 0.39 | 20 | 7.80 | |
|  Chiku-Ratte, Olivier-Kenta | f | | 2303 * | CAN | 1.00 | 1 | 0.92 | 20 | 18.40 | |  Doubleday, William G. | | | 1891 | CAN | 0.00 | 1 | -0.52 | 20 | -10.40 | | | Fei, David | | | 1624 | CAN | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Gordon, David | c | | 2181 | CAN | 0.00 | 1 | -0.17 | 20 | -3.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 2018 Kingston Open | Kingston | CAN | 2018-03-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1636 | 1903 | 2.00 | 2 | 0.40 | 20 | 8.00 | |
| | Stopic, Alexander | | | 1503 * | CAN | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Langer, Herb | | | 1768 | CAN | 1.00 | 1 | 0.32 | 20 | 6.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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