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Individual Calculations September 2017 |
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| Chen, Kevin Emmanuel Total change: 3.40 | |   |
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| 63rd Iowa Open Championship | Coralville, Iowa | USA | 2017-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2047 | 1943 | 1.00 | 2 | 0.17 | 20 | 3.40 | |
|  Nagle, Sean | m | | 2343 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Peralta, Luis M | | | 1751 | USA | 1.00 | 1 | 0.25 | 20 | 5.00 | | | * 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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