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Individual Calculations January 2012 |
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| Iwu, Okechukwu N Total change: -42.45 | |   |
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| 20th Annual Kings Island Open | Mason, Ohio | USA | 2011-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2055 | 2198 | 1.00 | 4 | -1.76 | 15 | -26.40 | |
|  Hellwig, Luke | | | 2016 | USA | 0.00 | 1 | -0.74 | 15 | -11.10 | |  Bath, John | | | 2107 | USA | 0.00 | 1 | -0.62 | 15 | -9.30 | | | O`Donnell, Robert | | | 2074 | USA | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Brock, William H | | | 2022 | USA | 0.00 | 1 | -0.73 | 15 | -10.95 | |
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) | | | | Chess.MN 10th FIDE Open Rating Tournament | Minneapolis, Minnesota | USA | 2011-11-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1967 | 2198 | 0.50 | 2 | -1.07 | 15 | -16.05 | |
| | Voje, Daniel W | | | 1890 | USA | 0.00 | 1 | -0.86 | 15 | -12.90 | | | Amarasinghe, Prashantha | | | 2043 | SRI | 0.50 | 1 | -0.21 | 15 | -3.15 | |
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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