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Individual Calculations September 2023 |
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| Osborne, Keoni Total change: -32.80 | |   |
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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 |
| 1788 | 1511 | 0.00 | 2 | -0.50 | 40 | -20.00 | |
|  Takahashi, Michael | | | 2043 | USA | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Pjevic, Dario | | | 1532 | USA | 0.00 | 1 | -0.47 | 40 | -18.80 | |
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) | | | | 18th annual Indianapolis Open - U2100 | Indianapolis, IN | USA | 2023-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1818 | 1511 | 0.00 | 2 | -0.32 | 40 | -12.80 | |
| | Jing, Aaron | | | 1931 | USA | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Friske, Thomas | | | 1705 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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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