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Individual Calculations October 2021 |
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| Posthuma, Joshua Total change: 5.40 | |   |
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| 2021 Michigan Open | Lansing, Michigan | USA | 2021-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2033 | 2362 | 5.00 | 6 | -0.14 | 20 | -2.80 | |
|  Ouyang, Nathan | | | 1962 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Arganian, David | | | 1962 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Liang, Justin | | | 2067 | USA | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Homa, Seth | f | | 2285 | USA | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Davidovich, Manis | | | 1962 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Hahn, David | | | 1962 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | 2021 Indy FIDE - Premier | Indianapolis, Indiana | USA | 2021-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2147 | 2362 | 4.00 | 5 | 0.41 | 20 | 8.20 | |
| | Toliver, Stuart | | | 1962 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Bora, Safal | m | | 2423 | USA | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Smith, Josh | | | 1964 | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Nguyen, James Le | | | 1962 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Smith, Bryan | g | | 2425 | USA | 1.00 | 1 | 0.59 | 20 | 11.80 | | | * 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) | | |
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