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Individual Calculations July 2021 |
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| Pau, Ethan Total change: -30.00 | |   |
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| 30th Annual Chicago Open - Under 2100 | Wheeling, Illinois | USA | 2021-05-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1680 | 1933 | 1.50 | 3 | -0.90 | 40 | -36.00 | |
|  Sheshappa, Ankith | | | 1794 | USA | 1.00 | 1 | 0.31 | 40 | 12.40 | |  Kozower, Ethan | | | 1558 | USA | 0.00 | 1 | -0.91 | 40 | -36.40 | | | Heller, Jack | | | 1688 | USA | 0.50 | 1 | -0.30 | 40 | -12.00 | |
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) | | | | 2021 National Open - Under 2100 | Las Vegas, Nevada | USA | 2021-06-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1746 | 1933 | 3.00 | 4 | 0.15 | 40 | 6.00 | |
| | Phipps, Daniel Joseph | | | 1680 | USA | 0.50 | 1 | -0.31 | 40 | -12.40 | | | Mukashev, Aminzhan | | | 1782 | KAZ | 0.50 | 1 | -0.20 | 40 | -8.00 | | | Erick, Kevin Lynn | | | 1989 | USA | 1.00 | 1 | 0.58 | 40 | 23.20 | | | Tang, Austin | | | 1533 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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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