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Individual Calculations September 2023 |
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| Klein, Ethan J Total change: -18.20 | |   |
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| July-August 2023 Marshall Monday Rounds 1-3 | New York, NY | USA | 2023-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1655 | 1930 | 1.50 | 2 | -0.16 | 20 | -3.20 | |
|  Feld, Uri | | | 1704 | USA | 0.50 | 1 | -0.29 | 20 | -5.80 | |  Wong, Wyatt | | | 1605 | USA | 1.00 | 1 | 0.13 | 20 | 2.60 | |
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) | | | | July-August 2023 Marshall Monday Rounds 4-6 | New York, NY | USA | 2023-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1913 | 1930 | 0.50 | 2 | -0.55 | 20 | -11.00 | |
| | Berg, George | | | 1789 | USA | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Johnston, Daniel F | | | 2036 | USA | 0.00 | 1 | -0.36 | 20 | -7.20 | |
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) | | | | August 2023 Marshall Premier | New York, NY | USA | 2023-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1895 | 1930 | 2.00 | 4 | -0.20 | 20 | -4.00 | |
| | Buchanan, Royal | | | 1887 | USA | 0.00 | 1 | -0.56 | 20 | -11.20 | | | Zhu, Linxi | | | 1897 | USA | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Das, Aditeya | | | 1922 | USA | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Gaw, Chloe | | | 1874 | USA | 1.00 | 1 | 0.42 | 20 | 8.40 | |
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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