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Individual Calculations June 2023 |
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| Platnick, Elijah Samuel Total change: -32.60 | |   |
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| 2023 Haymarket Memorial - Open | Chicago, IL | USA | 2023-04-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1875 | 1953 | 1.00 | 3 | -0.82 | 20 | -16.40 | |
|  Chen, Megan | | | 1616 | USA | 1.00 | 1 | 0.12 | 20 | 2.40 | |  Gurevich, Dmitry | g | | 2393 | USA | 0.00 | 1 | -0.06 | 20 | -1.20 | | | Feng, Jay | | | 1616 | USA | 0.00 | 1 | -0.88 | 20 | -17.60 | |
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 Youth | Schaumburg, IL | USA | 2023-05-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1768 | 1953 | 2.00 | 4 | -0.81 | 20 | -16.20 | |
| | Murali, Rishi | | | 1574 | USA | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Karthikeyan, Arnav | | | 1625 | USA | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Malladi, Sadkrith | | | 1728 | USA | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Kaplan, Avi Harrison | | | 2146 | USA | 0.00 | 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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