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Individual Calculations February 2019 |
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| Platnick, Elijah Total change: -4.40 | |   |
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| Tim Just Winter Open XXXVI | Schaumburg, Illinois | USA | 2019-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1710 | 1628 | 2.50 | 4 | 0.82 | 40 | 32.80 | |
|  Stevens, Matthew | | | 2028 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Henderson, S E | | | 1556 | USA | 1.00 | 1 | 0.40 | 40 | 16.00 | |  Heller, Harry | | | 1669 | USA | 0.50 | 1 | 0.06 | 40 | 2.40 | | | Elgat, Adam | | | 1585 | USA | 1.00 | 1 | 0.44 | 40 | 17.60 | | | * 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) | | | | Chicago Chess Center 2nd Jane Addams Memorial | Halsted, Illinois | USA | 2019-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1795 | 1628 | 0.00 | 3 | -0.93 | 40 | -37.20 | |
| | Chinitz, Michael | | | 1973 | USA | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Santner, Jack | | | 1880 | USA | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Zhao, Alex | | | 1531 | USA | 0.00 | 1 | -0.63 | 40 | -25.20 | |
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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