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Individual Calculations February 2023 |
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| Li, Justin Y Total change: 0.80 | |   |
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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 |
| 1669 | 1772 | 2.00 | 2 | 0.73 | 40 | 29.20 | |
|  Ravn, William E | | | 1767 | USA | 1.00 | 1 | 0.49 | 40 | 19.60 | |  Gartenlaub, Corin | | | 1570 | USA | 1.00 | 1 | 0.24 | 40 | 9.60 | |
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) | | | | 55th annual Liberty Bell Open - Major | Philadelphia, PA | USA | 2023-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1874 | 1772 | 1.50 | 6 | -0.71 | 40 | -28.40 | |
| | Yeliseyev, Igor | | | 2023 | USA | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Zhang, Roger | | | 1929 | USA | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Rawshani, Kamran | | | 1845 | USA | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Hoffman, Luc William Crim | | | 1848 | USA | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Serota, Adam H | | | 1954 | USA | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Dubnoff, Micah Simon | | | 1647 | USA | 0.00 | 1 | -0.67 | 40 | -26.80 | |
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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