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Rapid:
Individual Calculations December 2017 |
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| Koita, Idrissa Total change: 18.20 | |   |
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| CIV Invitational - Open Swiss Rapid | ABIDJAN | CIV | 2017-10-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1938 | 1639 | 1.50 | 4 | 0.91 | 20 | 18.20 | |
|  Barcon, Harmon | f | | 1970 | LBR | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Charles, Haji Kiadii | | | 1956 | LBR | 0.50 | 1 | 0.37 | 20 | 7.40 | |  Bie, Kouko Hubert | | | 1900 | CIV | 1.00 | 1 | 0.82 | 20 | 16.40 | | | Aka, Justin Jean-Robert Koum | | | 1925 | CIV | 0.00 | 1 | -0.16 | 20 | -3.20 | |
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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