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Individual Calculations July 2023 |
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| Pregon, Joseph Jeffery Total change: 26.20 | |   |
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| 32nd annual Chicago Open - U2300 Section | Wheeling, IL | USA | 2023-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1959 | 1720 | 1.50 | 5 | 0.43 | 20 | 8.60 | |
|  Beck, Alec | | | 1911 | USA | 0.50 | 1 | 0.25 | 20 | 5.00 | |  Rhine, Frederick S | | | 1905 | USA | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Kaulule, Kela Siame | c | | 2144 | ZAM | 0.00 | 1 | -0.07 | 20 | -1.40 | | | Widjaja, Luke | | | 1927 | USA | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Stein, Josiah Robert | | | 1906 | USA | 0.00 | 1 | -0.26 | 20 | -5.20 | |
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 Des Moines Open | Des Moines, IA | USA | 2023-06-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1792 | 1720 | 2.50 | 4 | 0.88 | 20 | 17.60 | |
| | Mehlhaff, Samuel | | | 1479 | USA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Mc Entee, Tim R | | | 1945 | USA | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Butcher, Jacob Gregory | | | 1830 | USA | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Darr, Ben J | | | 1914 | USA | 1.00 | 1 | 0.75 | 20 | 15.00 | |
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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