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Individual Calculations October 2023 |
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| Sprumont, Oscar Total change: -41.20 | |   |
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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 |
| 1666 | 2053 | 2.50 | 5 | -2.06 | 20 | -41.20 | |
|  Razmov, Valentin N | | | 1631 | USA | 1.00 | 1 | 0.07 | 20 | 1.40 | |  Buchanan, Jack | | | 1719 | USA | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Toppen-Ryan, Harrison | | | 1685 | USA | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Wong-Godfrey, Emerson | | | 1653 * | USA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Karthikeyan, Harishkumar | | | 1640 | USA | 0.50 | 1 | -0.43 | 20 | -8.60 | | | * 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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