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Individual Calculations December 2023 |
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| Zhang, Warren Xiao Total change: -0.80 | |   |
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| 18th annual Los Angeles Open - U2100 | Irvine, CA | USA | 2023-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1669 | 1463 | 0.00 | 2 | -0.51 | 40 | -20.40 | |
|  Gattani, Sarthak | | | 1788 | USA | 0.00 | 1 | -0.13 | 40 | -5.20 | |  Bagdasarian, Ararat | | | 1550 | 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) | | | | 58th American Open - Under2200 | Garden Grove, California | USA | 2023-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1641 | 1463 | 2.00 | 5 | 0.49 | 40 | 19.60 | |
| | Taylor, Stewart Bradley, Jr | | | 1877 | USA | 0.50 | 1 | 0.43 | 40 | 17.20 | | | Gattani, Sarthak | | | 1788 | USA | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Yu, Tianxiang Carlos | | | 1343 | USA | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Hsiao, Oliver | | | 1512 | USA | 0.00 | 1 | -0.43 | 40 | -17.20 | | | Sun, Ethan | | | 1684 | USA | 0.00 | 1 | -0.22 | 40 | -8.80 | |
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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