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Individual Calculations November 2015 |
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| Yagiz, Bora Total change: -38.20 | |   |
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| Marshall 2015 October Weekend | New York, New York | USA | 2015-10-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2040 | 1952 | 0.50 | 3 | -0.69 | 20 | -13.80 | |
|  Kumar, Aravind | f | | 2272 | USA | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Jacobson, Aaron | | | 2119 | USA | 0.00 | 1 | -0.28 | 20 | -5.60 | |  Boxer, Matthew | | | 1728 | USA | 0.50 | 1 | -0.28 | 20 | -5.60 | |
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) | | | | 2nd Annual Washington Chess Congress | Arlington, Virginia | USA | 2015-10-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2010 | 1952 | 0.50 | 4 | -1.22 | 20 | -24.40 | |
| | Yu, Jennifer R | | wf | 2220 | USA | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Wang, Justin | | | 2046 | USA | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Collier, Philip M. | | | 1837 | USA | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Helfst, Matt D | | | 1938 | USA | 0.00 | 1 | -0.52 | 20 | -10.40 | |
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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