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Individual Calculations December 2023 |
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| Robinson, Datris Total change: -40.00 | |   |
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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 |
| 1702 | 1633 | 0.50 | 2 | -0.32 | 40 | -12.80 | |
|  Fan, Shengjie | | | 1615 | USA | 0.50 | 1 | -0.03 | 40 | -1.20 | |  Gattani, Sarthak | | | 1788 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | |
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) | | | | 58th American Open - Under2000 | Garden Grove, California | USA | 2023-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1388 | 1633 | 2.50 | 4 | -0.68 | 40 | -27.20 | |
| | Prabhu, Tanya Gurpur Madke | | | 1483 | USA | 1.00 | 1 | 0.30 | 40 | 12.00 | | | He, Bonnie | | | 1336 | USA | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Chakraborty, Ritam | | | 1452 | USA | 0.00 | 1 | -0.74 | 40 | -29.60 | | | Wang, Tianmu | | | 1281 | USA | 0.50 | 1 | -0.39 | 40 | -15.60 | |
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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