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Individual Calculations August 2015 |
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| Koperski, Dustin Total change: -6.40 | |   |
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| 32nd Trumpeter Classic | Grande Prairie | CAN | 2015-06-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1959 | 1618 | 1.00 | 3 | 0.62 | 40 | 24.80 | |
|  Nguyen, Kim | | | 2018 * | CAN | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Hughey, Micah | | | 2018 * | CAN | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Pradzinski, Tim | | | 1840 | CAN | 0.50 | 1 | 0.28 | 40 | 11.20 | | | * 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) | | | | 10th Edmonton International Reserves | Edmonton | CAN | 2015-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1719 | 1618 | 0.00 | 2 | -0.78 | 40 | -31.20 | |
| | Sabogal, Edison | | | 1905 | COL | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Kadavil, Suresh | | | 1532 | CAN | 0.00 | 1 | -0.62 | 40 | -24.80 | |
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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