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Individual Calculations June 2023 |
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| Sax, Robert David Total change: 21.60 | |   |
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| 2023 Haymarket Memorial - Open | Chicago, IL | USA | 2023-04-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1784 | 1605 | 1.50 | 4 | 0.38 | 20 | 7.60 | |
|  Szpisjak, Steven J | | | 1920 | USA | 0.00 | 1 | -0.14 | 20 | -2.80 | |  Xia, Henry | | | 1651 | USA | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Pesterev, Kirill | | | 1836 | RUS | 1.00 | 1 | 0.79 | 20 | 15.80 | | | Li, David Tongjia | | | 1728 | USA | 0.00 | 1 | -0.33 | 20 | -6.60 | |
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) | | | | 2023 Illinois Senior | Schaumburg, IL | USA | 2023-05-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1802 | 1605 | 1.50 | 3 | 0.70 | 20 | 14.00 | |
| | Kosteris, Dimitri | | | 1643 | USA | 1.00 | 1 | 0.55 | 20 | 11.00 | | | Pangan, Camilo C | f | | 1963 | USA | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Abbott, James | | | 1799 | USA | 0.50 | 1 | 0.25 | 20 | 5.00 | |
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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