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Individual Calculations December 2017 |
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| Kolay, Alex Total change: -11.20 | |   |
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| 53rd Annual American Open | Costa Mesa, California | USA | 2017-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2067 | 2045 | 3.50 | 8 | -0.28 | 40 | -11.20 | |
|  Stearman, Josiah | f | | 2266 | USA | 0.00 | 1 | -0.22 | 40 | -8.80 | |  Zaloznyy, Mike | | | 2094 | USA | 0.00 | 1 | -0.43 | 40 | -17.20 | | | Mandelkern, Jeremy | | | 2079 | USA | 0.50 | 1 | 0.05 | 40 | 2.00 | | | Somalwar, Anaiy | | | 1974 | USA | 0.50 | 1 | -0.10 | 40 | -4.00 | | | Acosta, Mariano | | | 1956 | USA | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Weeramantry, Sunil | f | | 2066 | SRI | 1.00 | 1 | 0.53 | 40 | 21.20 | | | Ke, Ivan | | | 2166 | USA | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Chou, Jeffrey | | | 1935 | USA | 0.50 | 1 | -0.15 | 40 | -6.00 | |
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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