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Individual Calculations September 2022 |
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| Ahrens, Richard William Total change: -11.60 | |   |
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| 2nd Peter Grey Memorial Tuesday Night Marathon - u1800 Round 4-7 | San Francisco, California | USA | 2022-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1430 | 1266 | 0.00 | 2 | -0.58 | 20 | -11.60 | |
|  Zirbel, Dominic | | | 1354 | USA | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Chan, John | | | 1506 | USA | 0.00 | 1 | -0.20 | 20 | -4.00 | |
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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