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Individual Calculations September 2023 |
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| Zaderman, Vitaly Total change: 3.40 | |   |
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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 |
| 2082 | 2174 | 2.00 | 3 | 0.17 | 20 | 3.40 | |
|  Bondar, Leonid | | | 1876 | USA | 1.00 | 1 | 0.15 | 20 | 3.00 | |  Truelson, Nels W | | | 1990 | USA | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Kraai, Jesse | g | | 2380 | USA | 0.00 | 1 | -0.24 | 20 | -4.80 | |
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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