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Individual Calculations February 2020 |
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| Platnick, Elijah Samuel Total change: 92.00 | |   |
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| Tim Just Winter Open XXXVII | Schaumburg, Illinois | USA | 2020-01-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1845 | 1779 | 2.00 | 4 | 0.28 | 40 | 11.20 | |
|  Lin, Sarah | | | 1663 | USA | 1.00 | 1 | 0.34 | 40 | 13.60 | |  Bartochowski, Nicholas | | | 2117 | USA | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Baumgartner, Christopher | | | 1735 | USA | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Hoesley, Aria | | | 1865 | USA | 0.00 | 1 | -0.38 | 40 | -15.20 | |
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) | | | | Chicago Chess Center 3rd Jane Addams Memorial | Chicago, IL | USA | 2020-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1873 | 1779 | 4.00 | 5 | 2.02 | 40 | 80.80 | |
| | Gurevich, Dmitry | g | | 2179 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Johnson, Henderson | | | 1379 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Lang, Jonathan J | | | 2010 | USA | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Kaplan, Avi Harrison | | | 1664 | USA | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Mathur, Rithwik | | | 2135 | USA | 1.00 | 1 | 0.89 | 40 | 35.60 | | | * 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) | | |
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