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Individual Calculations October 2019 |
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| Holliman, Bob Total change: -3.20 | |   |
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| 65th Iowa Open Championship | Iowa City, Iowa | USA | 2019-09-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1883 | 1940 | 1.00 | 2 | -0.16 | 20 | -3.20 | |
|  Reynolds, Robert | | | 1948 | USA | 0.00 | 1 | -0.49 | 20 | -9.80 | |  Dutiel, Tony | | | 1817 | USA | 1.00 | 1 | 0.33 | 20 | 6.60 | |
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) | | |
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