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Individual Calculations February 2023 |
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| Graif, William Total change: 2.40 | |   |
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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 |
| 2036 | 2305 | 3.00 | 5 | -1.06 | 20 | -21.20 | |
|  Theil, Carey | | | 2158 | USA | 1.00 | 1 | 0.30 | 20 | 6.00 | |  He, Henry | | | 1909 | USA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Groff, Jordan | | | 1905 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Deatrick, Alexander | | | 2095 | USA | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Kavi, Nithin | | | 2112 | USA | 0.00 | 1 | -0.75 | 20 | -15.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 |
| 2323 | 2305 | 3.50 | 5 | 1.18 | 20 | 23.60 | |
| | Gramb, Marius | | | 2167 | GER | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Zhou, Jianchao | g | | 2550 | CHN | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Luger, Sam | | | 1905 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Stripunsky, Alexander | g | | 2493 | USA | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Corrales Jimenez, Fidel | g | | 2501 | USA | 0.50 | 1 | 0.25 | 20 | 5.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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