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Individual Calculations February 2022 |
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| Guo, Ethan Total change: 76.80 | |   |
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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 |
| 1953 | 1673 | 1.50 | 5 | 0.60 | 40 | 24.00 | |
|  Phillips, Ryan | | | 1932 | USA | 1.00 | 1 | 0.82 | 40 | 32.80 | |  Wu, Sibo | | | 2073 * | CHN | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Jiang, Brandon | | | 1924 | USA | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Phares, Eric | | | 1777 | USA | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Norman, Roger | | | 2061 | USA | 0.50 | 1 | 0.41 | 40 | 16.40 | | | * 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) | | | | 15th Annual Golden State Open - Major | Concord, California | USA | 2022-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1889 | 1650 | 2.50 | 5 | 1.32 | 40 | 52.80 | |
| | Li, Hanxiang | | | 2145 | CHN | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Nathan, Nitish Sg | c | | 1864 | USA | 1.00 | 1 | 0.77 | 40 | 30.80 | | | Coyne, Theodore | | | 1981 | USA | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Meiyappan, Annapoorni | | wf | 1664 | USA | 1.00 | 1 | 0.52 | 40 | 20.80 | | | Fong, Kevin Leong | | | 1791 | USA | 0.50 | 1 | 0.19 | 40 | 7.60 | |
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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