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Individual Calculations October 2019 |
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| Betaneli, Alex Total change: 15.60 | |   |
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| 65th Iowa Open Championship | Iowa City, Iowa | USA | 2019-09-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1941 | 2158 | 4.50 | 5 | 0.78 | 20 | 15.60 | |
|  Alexander, Roger | | | 1758 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Zhang, Richard | | | 1758 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Magness, Trevor | | | 2113 | USA | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Zaloznyy, Mike | | | 1999 | USA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Neal, James | | | 2078 | USA | 0.50 | 1 | -0.11 | 20 | -2.20 | | | * 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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