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Individual Calculations July 2023 |
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| Starkman, Eric Total change: -45.20 | |   |
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| 32nd annual Chicago Open - Open Section | Wheeling, IL | USA | 2023-05-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1960 | 1866 | 2.00 | 8 | -1.16 | 20 | -23.20 | |
|  Antova, Gabriela | f | wm | 2259 | BUL | 0.50 | 1 | 0.42 | 20 | 8.40 | |  Wan, Joseph Cheng-Yue | | | 2167 | USA | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Nguyen, James L | | | 2088 | USA | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Shetty, Anshul P | | | 1993 | USA | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Nair, Advait | | | 1812 | USA | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Saraie, Eskandar | | | 1646 | USA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Narayanan, Rishi T | | | 1876 | USA | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Heller, Jack | | | 1842 | USA | 0.50 | 1 | -0.03 | 20 | -0.60 | |
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 National Open - Under 2300 | Las Vegas, NV | USA | 2023-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1721 | 1898 | 4.00 | 7 | -1.10 | 20 | -22.00 | |
| | Ray, Ujan | | | 1735 | USA | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Coy, Matthew M | | | 1766 | USA | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Karunakaran, Kapilan | | | 1764 | USA | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Gao, Lucy | | | 1646 | CAN | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Jagirapu, Harshin R | | | 1642 | USA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Teitelman, Aiden | | | 1797 | USA | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Videna, Daniel | | | 1698 | USA | 1.00 | 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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