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Individual Calculations June 2023 |
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| Abbott, James Total change: -2.40 | |   |
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| 2023 Illinois Senior | Schaumburg, IL | USA | 2023-05-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1766 | 1799 | 1.50 | 3 | -0.12 | 20 | -2.40 | |
|  Szpisjak, Steven J | | | 1920 | USA | 0.50 | 1 | 0.16 | 20 | 3.20 | |  Cohen, Lawrence S | | | 1774 | USA | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Sax, Robert David | | | 1605 | USA | 0.50 | 1 | -0.25 | 20 | -5.00 | |
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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