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Individual Calculations January 2023 |
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| Su, Kevin Total change: -8.80 | |   |
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| 53rd annual National Chess Congress - Premier | Philadelphia, PA | USA | 2022-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1850 | 1889 | 3.00 | 6 | -0.31 | 40 | -12.40 | |
|  Wang, Ryan R | | | 1762 | USA | 0.00 | 1 | -0.67 | 40 | -26.80 | |  Chen, Derek | | | 1793 | USA | 0.00 | 1 | -0.63 | 40 | -25.20 | | | Mariappan, Anish M | | | 1778 | USA | 0.50 | 1 | -0.15 | 40 | -6.00 | | | Kerimkulov, Omurbek | | | 1850 | KGZ | 1.00 | 1 | 0.45 | 40 | 18.00 | | | Regam, Jessica | | wf | 1954 | USA | 0.50 | 1 | 0.09 | 40 | 3.60 | | | Sharma, Vishruth Vinayak | | | 1962 | CAN | 1.00 | 1 | 0.60 | 40 | 24.00 | |
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) | | | | 37th annual Eastern Open - Premier | Arlington, VA | USA | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1967 | 1999 | 4.50 | 8 | 0.09 | 40 | 3.60 | |
| | Altucher, James | | | 1854 | USA | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Molner, Mackenzie S | g | | 2438 | USA | 0.00 | 1 | -0.06 | 40 | -2.40 | | | Cherukuri, Nitesh | | | 1728 | USA | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Chen, Derek | | | 1793 | USA | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Colas, Joshua | f | | 2228 | USA | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Yang, Qindong | | | 2150 | CHN | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Lane, Thomas Coe | | | 1717 | USA | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Slate, Kent | | | 1829 | USA | 0.50 | 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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