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Individual Calculations June 2023 |
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| Coffman, Charles Z Total change: -32.40 | |   |
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| 2023 Arthur Bisguier FIDE Open | Naperville, IL | USA | 2023-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1626 | 1793 | 1.00 | 3 | -1.15 | 20 | -23.00 | |
|  Karthikeyan, Arnav | | | 1625 | USA | 1.00 | 1 | 0.28 | 20 | 5.60 | |  Murali, Rishi | | | 1574 | USA | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Dmitriev, Andrey | | | 1680 | USA | 0.00 | 1 | -0.65 | 20 | -13.00 | |
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) | | | | 2023 Haymarket Memorial - Open | Chicago, IL | USA | 2023-04-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1908 | 1793 | 1.00 | 3 | -0.47 | 20 | -9.40 | |
| | Corrales Jimenez, Fidel | g | | 2489 | USA | 0.00 | 1 | -0.01 | 20 | -0.20 | | | Ghosh, Yohan | | | 1593 | USA | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Aaron, Michael E | | | 1643 | USA | 0.00 | 1 | -0.70 | 20 | -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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