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Individual Calculations September 2023 |
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| Trey, Justin Total change: -1.20 | |   |
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| 2023 U.S. Junior Open Championship | Elmhurst, IL | USA | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1750 | 1567 | 0.00 | 2 | -0.71 | 40 | -28.40 | |
|  Singh, Hersh | | | 2060 | USA | 0.00 | 1 | -0.04 | 40 | -1.60 | |  Laishevkin, Mykhailo Artemovich | | | 1439 | UKR | 0.00 | 1 | -0.67 | 40 | -26.80 | |
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) | | | | 31st annual Southern Open - Major | Orlando, FL | USA | 2023-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1777 | 1567 | 2.00 | 5 | 0.68 | 40 | 27.20 | |
| | Weaver, Roy Holland | | | 1662 | USA | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Rajmohan, Vikram | | | 2012 | ENG | 0.00 | 1 | -0.06 | 40 | -2.40 | | | Yisrael, Shama | | | 1810 | USA | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Marian, Aaron | | | 1539 | USA | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Gaw, Chloe | | | 1864 | USA | 0.50 | 1 | 0.35 | 40 | 14.00 | |
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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