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Individual Calculations September 2023 |
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| Bondar, Leonid Total change: -14.80 | |   |
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| 2023 U.S. Senior Open Championship | Elmhurst, IL | USA | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1991 | 1876 | 0.00 | 2 | -0.74 | 20 | -14.80 | |
|  Zaderman, Vitaly | | | 2174 | USA | 0.00 | 1 | -0.15 | 20 | -3.00 | |  Lavoice, Richard | | | 1808 | USA | 0.00 | 1 | -0.59 | 20 | -11.80 | |
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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