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Individual Calculations September 2023 |
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| Szpisjak, Steven J Total change: 20.60 | |   |
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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 |
| 1911 | 1893 | 3.00 | 4 | 1.03 | 20 | 20.60 | |
|  Franklin, William | | | 1495 | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kraai, Jesse | g | | 2380 | USA | 0.00 | 1 | -0.04 | 20 | -0.80 | | | Sax, Robert David | | | 1659 | USA | 1.00 | 1 | 0.21 | 20 | 4.20 | |  Gratz, Glen E | c | | 2111 | USA | 1.00 | 1 | 0.78 | 20 | 15.60 | |
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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