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Individual Calculations October 2017 |
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| Allen, David Total change: 23.40 | |   |
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| 73rd Ohio Chess Congress | Aurora, Ohio | USA | 2017-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2027 | 2117 | 3.00 | 3 | 1.17 | 20 | 23.40 | |
|  Basalla, Robert W | | | 1862 | USA | 1.00 | 1 | 0.19 | 20 | 3.80 | |  Ramer, Scott | | | 2195 | USA | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Miller, John | | | 2024 | USA | 1.00 | 1 | 0.37 | 20 | 7.40 | |
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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