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Individual Calculations August 2022 |
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| O`brien, Bret Thomas Total change: -22.80 | |   |
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| 2022 Chicago Summer Open | Schaumburg, IL, USA | USA | 2022-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1863 | 1677 | 2.00 | 4 | 0.84 | 40 | 33.60 | |
|  Cooklev, Steven | | | 2084 | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Heller, Jack | | | 1943 | USA | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Shen, Newman | | | 1747 | USA | 1.00 | 1 | 0.60 | 40 | 24.00 | | | Dmitriev, Andrey | | | 1678 | USA | 1.00 | 1 | 0.50 | 40 | 20.00 | |
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) | | | | 15th annual Chicago Class - Class A | Wheeling, IL | USA | 2022-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1521 | 1677 | 2.00 | 5 | -1.41 | 40 | -56.40 | |
| | Kosteris, Dimitri | | | 1677 | USA | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Phillips, Jon Douglas | | | 1521 | USA | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Nudo, Zach | | | 1701 | USA | 1.00 | 1 | 0.53 | 40 | 21.20 | | | Tsyganova, Margarita | | | 1417 | USA | 0.00 | 1 | -0.82 | 40 | -32.80 | | | Bhargava, Yash S | | | 1290 | USA | 0.00 | 1 | -0.91 | 40 | -36.40 | |
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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