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Individual Calculations February 2023 |
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| Deatrick, Alexander Total change: -14.40 | |   |
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| 11th annual Boston Chess Congress - Premier | Boston MA | USA | 2023-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2005 | 2095 | 3.00 | 5 | -0.02 | 20 | -0.40 | |
|  Schexnaydre, Benson | | | 1933 | USA | 0.50 | 1 | -0.21 | 20 | -4.20 | |  Chang, Nathan Hsichen | | | 1727 | USA | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Times, Lawyer | | | 1972 | USA | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Graif, William | f | | 2305 | CAN | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Bryant, Todd Charles | | | 2087 | USA | 0.50 | 1 | -0.01 | 20 | -0.20 | |
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) | | | | 55th annual Liberty Bell Open - Major | Philadelphia, PA | USA | 2023-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1850 | 2095 | 2.50 | 4 | -0.70 | 20 | -14.00 | |
| | Dean, Edward Thorpe | | | 1858 | USA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Luger, Sam | | | 1889 | USA | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Chen, Kevin | | | 1761 | USA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Carey, Michael P | | | 1891 | USA | 0.50 | 1 | -0.26 | 20 | -5.20 | |
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) | | |
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