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Individual Calculations October 2018 |
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| Ampie, Mauro Total change: -4.60 | |   |
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| 2018 Illinois Open State Championship | Downers Grove, Illinois | USA | 2018-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2002 | 2340 | 5.00 | 6 | -0.23 | 20 | -4.60 | |
|  Chen, Megan | | | 1940 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Narayanan, Rishi | | | 1940 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mardov, Dimitar | | | 1940 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Stevens, Matthew | | | 2121 | USA | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Bareket, Adam | | | 1940 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Polgar-Shutzman, Tom | | | 2131 | USA | 1.00 | 1 | 0.23 | 20 | 4.60 | | | * 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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