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Individual Calculations July 2021 |
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| Bader, Jeremy Total change: 18.60 | |   |
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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 |
| 1702 | 1806 | 4.00 | 5 | 0.94 | 20 | 18.80 | |
|  Kumar, Sanjay | | | 1406 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Mu, Grant | | | 1574 | USA | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Tolliver, Kameron | | | 1816 | USA | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Starkman, Eric | | | 1796 | USA | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Ancheta, Rene | | | 1919 | USA | 1.00 | 1 | 0.65 | 20 | 13.00 | | | * 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) | | | | 2021 National Open - Under 2100 | Las Vegas, Nevada | USA | 2021-06-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1737 | 1806 | 3.50 | 6 | -0.01 | 20 | -0.20 | |
| | Hung, Anthony | | | 1647 | USA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Parvathaneni, Nikhil | | | 1533 | USA | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Klein, Ethan J | | | 1953 | USA | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Whale, Nicholas | | | 1864 | USA | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Beck, Alec | | | 1755 | USA | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Andranigian, Armen | | | 1669 | USA | 0.50 | 1 | -0.18 | 20 | -3.60 | |
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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