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Individual Calculations July 2021 |
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| Proleiko, Julian Total change: -23.20 | |   |
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| 30th Annual Chicago Open - Open | Wheeling, Illinois | USA | 2021-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2150 | 2149 | 3.50 | 9 | -1.05 | 20 | -21.00 | |
|  Finegold, Benjamin P | g | | 2476 | USA | 0.00 | 1 | -0.13 | 20 | -2.60 | |  Fricano, Paul | | | 1966 | USA | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Wang, Jason | f | | 2312 | USA | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Chubakov, Sultan | | | 2026 | KGZ | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Thomas, Kenneth Patrick | | | 1973 | USA | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Singh, Hersh | | | 2096 | USA | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Stevens, Matthew James | f | | 2237 | USA | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Yang, Kevin | | | 2275 | USA | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Kondakov, Adrian | c | | 1986 | USA | 0.00 | 1 | -0.72 | 20 | -14.40 | |
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) | | | | 2021 National Open - Under 2300 | Las Vegas, Nevada | USA | 2021-06-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1964 | 2134 | 3.50 | 5 | -0.11 | 20 | -2.20 | |
| | Hon, Eric | | | 1930 | USA | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Sivakumar, Shaashwath | | | 1864 | USA | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Salik, Serkan | | | 1986 | USA | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Wang, Henry | | | 2035 | USA | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Avila, Joshua | | | 2004 | MEX | 0.50 | 1 | -0.18 | 20 | -3.60 | |
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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