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Individual Calculations September 2022 |
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| Heidari, Ako Total change: -14.60 | |   |
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| 2nd Peter Grey Memorial Tuesday Night Marathon - 1800+ Round 4-7 | San Francisco, California | USA | 2022-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1701 | 1759 | 1.00 | 3 | -0.73 | 20 | -14.60 | |
|  Powers, Christopher | | | 1615 | USA | 0.00 | 1 | -0.69 | 20 | -13.80 | |  Parsons, Stephen | | | 1596 | USA | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Lewis, Edward | | | 1893 | USA | 0.00 | 1 | -0.32 | 20 | -6.40 | |
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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