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Individual Calculations October 2015 |
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| Peng, David T Total change: -20.40 | |   |
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| 2015 Illinois Open State Chess Championship | Northbrook, Illinois | USA | 2015-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1988 | 2251 | 3.50 | 5 | -0.51 | 40 | -20.40 | |
|  Rajendra, Anupama S | | | 1851 * | USA | 0.50 | 1 | -0.42 | 40 | -16.80 | |  Bronfeyn, Daniel | | | 1996 | USA | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Shen, Christopher Y | c | | 1961 | USA | 0.00 | 1 | -0.84 | 40 | -33.60 | | | Robledo Jr, Mark | | | 1932 | USA | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Kasiurak, Zach | | | 2199 | USA | 1.00 | 1 | 0.43 | 40 | 17.20 | | | * 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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