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Individual Calculations September 2023 |
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| Zhang, Bohan Total change: -92.40 | |   |
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| Washington Open - Open | Redmond, WA | USA | 2023-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1734 | 1643 | 2.00 | 5 | -0.07 | 40 | -2.80 | |
|  Lykins, Pace | | | 1295 | USA | 1.00 | 1 | 0.11 | 40 | 4.40 | |  Wan, Bertrand | | | 1642 | USA | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Porter, Ryan | f | | 2184 | USA | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Liu, Zachary | | | 1794 | CAN | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Thorwe, Pratik | | | 1756 | IND | 0.00 | 1 | -0.35 | 40 | -14.00 | |
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) | | | | 2023 Seattle Chess Classic | Seattle, WA | USA | 2023-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1483 | 1643 | 0.50 | 4 | -2.24 | 40 | -89.60 | |
| | Colombo, Dominic M | | | 1804 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Wang, Leonardo | | | 1346 | SGP | 0.50 | 1 | -0.35 | 40 | -14.00 | | | Han, Shuyi | | | 1475 | USA | 0.00 | 1 | -0.72 | 40 | -28.80 | | | Vemuri, Vihari | | | 1306 | IND | 0.00 | 1 | -0.88 | 40 | -35.20 | |
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) | | |
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