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Individual Calculations January 2023 |
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| Rohlfing, David Patrick Total change: -36.00 | |   |
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| 53rd annual National Chess Congress - U2000 | Philadelphia, PA | USA | 2022-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1412 | 1725 | 2.50 | 4 | -0.90 | 40 | -36.00 | |
|  Zhang, Michelle | | | 1323 | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Fang, Arabella | | | 1441 | USA | 0.50 | 1 | -0.34 | 40 | -13.60 | | | Chovanec, Alice | | | 1325 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Levkov, Ilya | | | 1559 | RUS | 0.00 | 1 | -0.72 | 40 | -28.80 | | | * 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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