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Individual Calculations September 2021 |
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| Talwalkar, Vedant Ameya Total change: 2.40 | |   |
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| 26th Annual Pacific Coast Open - Under 2100 | Van Nuys, California | USA | 2021-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1693 | 1592 | 2.50 | 3 | 1.39 | 40 | 55.60 | |
|  Spector, Marchand G | | | 1624 | USA | 0.50 | 1 | 0.04 | 40 | 1.60 | | | Xu, Jayden | | | 1649 | USA | 1.00 | 1 | 0.58 | 40 | 23.20 | |  Mathe, Lennart | | | 1806 | USA | 1.00 | 1 | 0.77 | 40 | 30.80 | |
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 North American Youth Chess Championships - Open Under 12 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1476 | 1630 | 0.00 | 2 | -1.33 | 40 | -53.20 | |
| | Min, Ryan | | | 1679 | USA | 0.00 | 1 | -0.43 | 40 | -17.20 | | | Boydell, Oliver | | | 1272 | USA | 0.00 | 1 | -0.90 | 40 | -36.00 | |
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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