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Individual Calculations February 2022 |
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| Zhang, Alex Total change: -56.40 | |   |
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| 31st Annual North American Open - Under 2300 | Las Vegas, Nevada | USA | 2021-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1875 | 1924 | 3.00 | 7 | -0.90 | 40 | -36.00 | |
|  Onyekwere, Chikwere Godwin | c | | 2208 | NGR | 0.00 | 1 | -0.16 | 40 | -6.40 | |  Karunakaran, Kapilan | | | 1589 | USA | 0.50 | 1 | -0.38 | 40 | -15.20 | | | Hong, Pearson | | | 1694 | USA | 0.00 | 1 | -0.79 | 40 | -31.60 | | | Martin, Drew | | | 1730 | USA | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Hon, Eric | | | 1922 | USA | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Su, Kenneth | | | 1969 | USA | 0.50 | 1 | 0.06 | 40 | 2.40 | | | Capocyan, Sam Lander Cabrera | | | 2012 | USA | 0.00 | 1 | -0.38 | 40 | -15.20 | |
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) | | | | 2022 St. Louis Chess Club Championship | St. Louis, Missouri | USA | 2022-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2066 | 1924 | 0.50 | 3 | -0.51 | 40 | -20.40 | |
| | Proleiko, Julian | | | 2219 | USA | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Thatiparthi, Vinee | | | 1773 | USA | 0.50 | 1 | -0.20 | 40 | -8.00 | | | Eckert, Doug | f | | 2206 | USA | 0.00 | 1 | -0.16 | 40 | -6.40 | |
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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