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Individual Calculations October 2023 |
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| Buchanan, Jack Total change: 30.80 | |   |
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| 73rd Oregon Open - 2000 and over | Portland, Oregon | USA | 2023-09-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1888 | 1719 | 2.00 | 4 | 0.77 | 40 | 30.80 | |
|  Heywood, Bill | | | 2041 | USA | 1.00 | 1 | 0.87 | 40 | 34.80 | |  Sprumont, Oscar | | | 2053 | CAN | 0.50 | 1 | 0.38 | 40 | 15.20 | | | Wei, James | | | 1825 | USA | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Razmov, Valentin N | | | 1631 | USA | 0.50 | 1 | -0.12 | 40 | -4.80 | |
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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