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Individual Calculations January 2022 |
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| Yan, Ruiyang Total change: 60.00 | |   |
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| 2021 Berkeley Chess Club Championship | Berkeley, California | USA | 2021-10-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1928 | 2149 | 5.50 | 6 | 0.97 | 40 | 38.80 | |
|  Sherwood, Peter | | | 1749 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Rigel, Marlon | | | 1749 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Walder, Michael | | | 1968 | USA | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Thornally, Frank | f | | 1972 | USA | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Winslow, Elliott | m | | 2158 | USA | 1.00 | 1 | 0.51 | 40 | 20.40 | | | Thieme, Steffen | | | 1972 | GER | 1.00 | 1 | 0.27 | 40 | 10.80 | | | * 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) | | | | 56th American Open - Open | Orange, California | USA | 2021-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2103 | 2124 | 3.50 | 6 | 0.53 | 40 | 21.20 | |
| | Tarjan, James | g | | 2398 | USA | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Liu, Aiden | | | 1724 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Eswaran, Ashritha | | wm | 2275 | USA | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Kretchetov, Alexandre | f | | 2249 | RUS | 0.50 | 1 | 0.17 | 40 | 6.80 | | | Costello, Alexander | m | | 2249 | USA | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Tang, Benjamin Ben | | | 1724 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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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