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Individual Calculations August 2022 |
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| Szpisjak, Steven Total change: -59.20 | |   |
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| 2022 Chicago Summer Open | Schaumburg, IL, USA | USA | 2022-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1707 | 1984 | 2.00 | 5 | -2.01 | 20 | -40.20 | |
|  Liang, Ethan Y | | | 1632 | USA | 0.00 | 1 | -0.89 | 20 | -17.80 | |  Pikus, Matthew Kent | | | 1573 | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Shen, Newman | | | 1747 | USA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Kakutani, Yuta | | | 2001 | JPN | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Li, David Tongjia | | | 1584 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 Master | Wheeling, IL | USA | 2022-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1904 | 1984 | 2.00 | 5 | -1.04 | 20 | -20.80 | |
| | Reiss, Aiden | | | 1971 | USA | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Platnick, Elijah Samuel | | | 1881 | USA | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Ren, Jesse | | | 1958 | USA | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Rhine, Frederick S | | | 1902 | USA | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Kaplan, Avi Harrison | | | 1810 | USA | 0.00 | 1 | -0.73 | 20 | -14.60 | |
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) | | | | US Senior Open | Elmhurst, IL | USA | 2022-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2059 | 1984 | 1.00 | 2 | 0.09 | 20 | 1.80 | |
| | Cohen, Fredric S | | | 1674 | USA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Yermolinsky, Alex | g | | 2444 | USA | 0.00 | 1 | -0.05 | 20 | -1.00 | |
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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