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Individual Calculations June 2023 |
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| Mazock, Michael J Total change: -31.00 | |   |
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| 2023 Illinois Senior | Schaumburg, IL | USA | 2023-05-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1848 | 2206 | 2.00 | 4 | -1.55 | 20 | -31.00 | |
|  Cohen, Fredric S | | | 1806 * | USA | 0.00 | 1 | -0.92 | 20 | -18.40 | |  Szpisjak, Steven J | | | 1920 | USA | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Cohen, Lawrence S | | | 1774 | USA | 0.50 | 1 | -0.43 | 20 | -8.60 | | | Bondar, Leonid | | | 1893 | USA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | * 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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