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Individual Calculations April 2023 |
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| Lang, Jonathan J Total change: -7.20 | |   |
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| 2023 Cedar Rapids Leather Jackets - Open | Cedar Rapids, IA | USA | 2023-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1724 | 1925 | 2.50 | 4 | -0.45 | 20 | -9.00 | |
|  Sun, Sophia | | | 1525 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Higuchi, Hiro | | | 1879 | USA | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Peralta, Luis M | | | 1753 | USA | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Drippe, John M | | | 1740 | USA | 0.00 | 1 | -0.74 | 20 | -14.80 | | | * 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) | | | | 2023 March Castle FIDE Premier | Edina, Minnesota | USA | 2023-03-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1848 | 1925 | 2.50 | 4 | 0.09 | 20 | 1.80 | |
| | Wasserman, Edward | | | 1743 | USA | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Murray, William | | | 1850 | USA | 1.00 | 1 | 0.40 | 20 | 8.00 | | | McNeil, David | | | 1896 | USA | 0.00 | 1 | -0.54 | 20 | -10.80 | | | Sheehan, Andrew | | | 1902 | USA | 1.00 | 1 | 0.47 | 20 | 9.40 | |
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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