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Individual Calculations February 2023 |
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| Ji, Y Luke Total change: 21.20 | |   |
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| 11th annual Boston Chess Congress - U2100 Section | Boston MA | USA | 2023-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1431 | 1462 | 1.00 | 2 | -0.09 | 40 | -3.60 | |
|  Yang, Adelynne | | | 1412 | USA | 1.00 | 1 | 0.43 | 40 | 17.20 | |  Wang, Bohan | | | 1450 | USA | 0.00 | 1 | -0.52 | 40 | -20.80 | |
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) | | | | 55th annual Liberty Bell Open - Major | Philadelphia, PA | USA | 2023-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1858 | 1462 | 1.00 | 4 | 0.62 | 40 | 24.80 | |
| | Dong, Kyle Qiyu | | | 1831 | USA | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Serota, Adam H | | | 1954 | USA | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Joseph, Jonath | | | 1717 | CAN | 1.00 | 1 | 0.81 | 40 | 32.40 | | | Zhang, Roger | | | 1929 | USA | 0.00 | 1 | -0.05 | 40 | -2.00 | |
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) | | |
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