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Individual Calculations September 2023 |
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| Sax, Robert David Total change: -28.80 | |   |
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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 |
| 2026 | 1659 | 0.00 | 2 | -0.25 | 20 | -5.00 | |
|  Bereolos, Peter | f | | 2158 | USA | 0.00 | 1 | -0.04 | 20 | -0.80 | |  Szpisjak, Steven J | | | 1893 | USA | 0.00 | 1 | -0.21 | 20 | -4.20 | |
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) | | | | August Swiss Open | Chicago, Il | USA | 2023-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1525 | 1638 | 0.00 | 2 | -1.19 | 20 | -23.80 | |
| | Cedeno, Louis | | | 1812 | USA | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Cardozo, Brandon Anthony | | | 1238 * | USA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | * 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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