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Individual Calculations September 2023 |
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| Yu, Vincent Zhiwen Total change: -2.80 | |   |
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| 28th annual Bradley Open - U2100 | Windsor Locks, CT | USA | 2023-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1536 | 1329 | 0.00 | 2 | -0.53 | 40 | -21.20 | |
|  Hardin, John Michael | | | 1694 | USA | 0.00 | 1 | -0.10 | 40 | -4.00 | |  Sajeevan, Jithu | | | 1377 | IND | 0.00 | 1 | -0.43 | 40 | -17.20 | |
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) | | | | XXXIII Pan-American Youth Chess Festival - Under 12 Open | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1706 | 1302 | 1.00 | 5 | 0.46 | 40 | 18.40 | |
| | Martinez Flores, Matias | | | 1740 | MEX | 0.00 | 1 | -0.06 | 40 | -2.40 | | | Jammalamadaka, Vihaan | | | 1812 | USA | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Simo Paulino, Leonardo Michael | | | 1534 | DOM | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Vanama, Agastya | | | 1524 | USA | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Leal Escamilla, Daniel Zinedine | | | 1922 | MEX | 0.00 | 1 | -0.01 | 40 | -0.40 | |
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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