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Individual Calculations October 2015 |
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| Karagianis, Pete Total change: 15.40 | |   |
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| 61st Iowa Open Championship | Coralville, Iowa | USA | 2015-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2204 | 2188 | 2.50 | 3 | 1.03 | 20 | 20.60 | |
|  Vasto, Daniel | | | 2096 | USA | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Neal Ii, James A | | | 2084 | USA | 1.00 | 1 | 0.36 | 20 | 7.20 | |  Brooks, Michael A | m | | 2431 | USA | 0.50 | 1 | 0.30 | 20 | 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) | | | | 2015 Illinois Open State Chess Championship | Northbrook, Illinois | USA | 2015-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 2188 | 3.50 | 5 | -0.26 | 20 | -5.20 | |
| | Daniels, Jason S | | | 1837 | USA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Lehmann, Spencer G | | | 1861 | USA | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Bungo, D Gregory | | | 1936 | USA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Saleem, Arshaq | | | 1993 | USA | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Menon, Gopal S | | | 2229 | USA | 0.50 | 1 | 0.06 | 20 | 1.20 | |
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) | | |
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