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Individual Calculations September 2018 |
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| Brooks, Michael Total change: -10.20 | |   |
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| 64th Iowa Open | Coralville, Iowa | USA | 2018-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2000 | 2345 | 2.50 | 4 | -1.02 | 10 | -10.20 | |
|  Gradsky, Benjamin | | | 2124 | USA | 0.50 | 1 | -0.28 | 10 | -2.80 | |  Shoykhet, Benjamin | | | 1945 * | USA | 0.50 | 1 | -0.42 | 10 | -4.20 | | | Reynolds, Robert | | | 1986 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Rudolph, Joziah | | | 1945 * | USA | 0.50 | 1 | -0.42 | 10 | -4.20 | | | * 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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