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Individual Calculations July 2018 |
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| Kolay, Alex Total change: 29.60 | |   |
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| 2018 National Open | Las Vegas, Nevada | USA | 2018-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2239 | 2158 | 3.00 | 6 | 0.74 | 40 | 29.60 | |
|  Wongso, Steve | | | 1758 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Raptis, Nicholas | f | | 2312 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Rohde, Michael | g | | 2375 | USA | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Blatny, Pavel | g | | 2344 | CZE | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Vigorito, David | m | | 2346 | USA | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Foisor, Sabina-Francesca | | wg | 2301 | USA | 0.50 | 1 | 0.19 | 40 | 7.60 | | | * 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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