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Individual Calculations January 2023 |
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| Siamon, David Total change: -0.60 | |   |
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| 53rd annual National Chess Congress - 1800-2199 | Philadelphia, PA | USA | 2022-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1667 | 1955 | 2.50 | 3 | -0.03 | 20 | -0.60 | |
|  Jin, Jerry | | | 1687 | USA | 0.50 | 1 | -0.33 | 20 | -6.60 | |  De Lellis, Pietro | | | 1674 | SUI | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Li, Michael | | | 1640 | USA | 1.00 | 1 | 0.14 | 20 | 2.80 | |
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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