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Individual Calculations June 2023 |
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| Cohen, Fredric S Total change: 13.80 | |   |
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| 2023 Illinois Senior | Schaumburg, IL | USA | 2023-05-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2073 | 1683 | 1.00 | 3 | 0.69 | 20 | 13.80 | |
|  Mazock, Michael J | | | 2206 | USA | 1.00 | 1 | 0.97 | 20 | 19.40 | | | Angelov, Angel Yosifov | | | 2092 | BUL | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Szpisjak, Steven J | | | 1920 | 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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