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Individual Calculations October 2018 |
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| Heredia Serrano, Carla Total change: 15.60 | |   |
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| 84th Annual Southwest Open | Irving, Texas | USA | 2018-08-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2268 | 2166 | 0.00 | 1 | -0.36 | 20 | -7.20 | |
|  Kumar, Nikhil | f | | 2268 | USA | 0.00 | 1 | -0.36 | 20 | -7.20 | |
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) | | | | 84th Annual Southwest Open - U2300 | Irving, Texas | USA | 2018-08-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1976 | 2166 | 5.50 | 6 | 1.14 | 20 | 22.80 | |
|  Steiner, Tim | c | | 1994 | USA | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Mao, Andrew | | | 1766 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Obili, Abhishek | | | 2091 | USA | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Nonchev, Kalin | | | 2168 | USA | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Moore, Alex | | | 1870 | USA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Aktunc, Ozgur | | | 1967 | USA | 1.00 | 1 | 0.24 | 20 | 4.80 | | | * 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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