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Individual Calculations July 2022 |
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| Iwu, Okechukwu Anele Nnej Total change: 4.60 | |   |
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| 31st Annual Chicago Open - Open | Wheeling, Illinois | USA | 2022-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1995 | 2046 | 5.00 | 9 | -0.08 | 20 | -1.60 | |
|  Schmakel, Sam A | m | | 2415 | USA | 0.00 | 1 | -0.10 | 20 | -2.00 | |  Dembele, Marcel | | | 1645 | FRA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Antova, Gabriela | f | wm | 2293 | BUL | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Ren, Jesse | | | 1884 | USA | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Dean, Edward Thorpe | | | 1883 | USA | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Sloan, Jed | | | 1974 | USA | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Altucher, James | | | 1808 | USA | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Nanugonda, Vishva | | | 1770 | USA | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Perrine, Dalton | f | | 2280 | USA | 1.00 | 1 | 0.79 | 20 | 15.80 | |
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) | | | | Midwest Chess Congress - Major | Des Moines, Iowa | USA | 2022-06-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1942 | 2046 | 3.50 | 5 | 0.31 | 20 | 6.20 | |
| | Murray, William | | | 1877 | USA | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Revesz, Gregory | | | 1933 | USA | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Zhou, Iris Yi-Xian | | wc | 1855 | USA | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Gupta, Aditya | | | 2047 | USA | 0.50 | 1 | 0.00 | 20 | 0.00 | | | McConnell, Griffin Thomas | | | 1998 | USA | 0.50 | 1 | -0.07 | 20 | -1.40 | |
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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