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Individual Calculations July 2023 |
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| Peterson, Brian Total change: -61.00 | |   |
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| 32nd annual Chicago Open - U2100 Section | Wheeling, IL | USA | 2023-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1688 | 1763 | 0.50 | 3 | -1.22 | 40 | -48.80 | |
|  Zaslow, Henry | | | 1794 | NZL | 0.00 | 1 | -0.46 | 40 | -18.40 | |  Girish, Niyathi | | | 1414 | USA | 0.50 | 1 | -0.39 | 40 | -15.60 | | | Schweitzer, William M | | | 1855 | USA | 0.00 | 1 | -0.37 | 40 | -14.80 | |
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) | | | NOTE: K factor changed | | Leonid Shamkovich FIDE Open | Naperville, IL | USA | 2023-06-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1603 | 1784 | 1.50 | 3 | -0.61 | 20 | -12.20 | |
| | Shrigadi, Aryan | | | 1544 | USA | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Joseph, Bennett A | | | 1857 | USA | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Musku, Himani | | | 1408 | USA | 1.00 | 1 | 0.09 | 20 | 1.80 | |
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) | | |
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