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Individual Calculations August 2021 |
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| Ji, Y Owen Total change: 137.60 | |   |
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| 49th Annual World Open - Under 2200 | Philadelphia, Pennsylvania | USA | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1902 | 1553 | 4.00 | 7 | 3.15 | 40 | 126.00 | |
|  Kelley, Deshawn | | | 1953 * | USA | 1.00 | 1 | 0.92 | 40 | 36.80 | |  Le, Nguyen | c | | 1953 * | VIE | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Keisler, Philip Gomory | | | 1849 | USA | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Yedidia, Daniel | | | 1953 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Malyshev, Roman P | | | 1953 * | RUS | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Iinuma, Paul Yuu | | | 1953 * | USA | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Cardinal, Scott Matthew | | | 1702 | USA | 0.00 | 1 | -0.30 | 40 | -12.00 | | | * 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) | | | | 26th Annual Bradley Open - Major | Windsor Locks, Connecticut | USA | 2021-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1913 | 1553 | 0.50 | 2 | 0.29 | 40 | 11.60 | |
| | Sage, J Timothy | | | 1953 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Modi, Ethan | | | 1872 | USA | 0.50 | 1 | 0.37 | 40 | 14.80 | | | * 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) | | |
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