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Individual Calculations July 2015 |
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| Ivanov, Alexander Total change: 3.80 | |   |
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| 2015 US Senior Open Championship | Schaumburg, Illinois | USA | 2015-06-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2229 | 2524 | 4.50 | 5 | 0.38 | 10 | 3.80 | |
|  Dowling, John | | | 2124 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Chow, Albert C | f | | 2134 | USA | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Dehmelt, Karl | f | | 2278 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Gurevich, Dmitry | g | | 2476 | USA | 0.50 | 1 | -0.07 | 10 | -0.70 | | | Voelker, James R | | | 2135 | USA | 1.00 | 1 | 0.09 | 10 | 0.90 | | | * 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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