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Rapid:
Individual Calculations August 2018 |
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| Okeke, Issac Total change: 47.20 | |   |
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| Chess Heights Southwest June 2018 | Lagos | NGR | 2018-06-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 1654 | 1.50 | 3 | 1.08 | 20 | 21.60 | |
|  Onyema , Ugochukwu | | | 2006 | NGR | 0.50 | 1 | 0.39 | 20 | 7.80 | |  Korede, Daniel Oluwashola | | | 2011 | NGR | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Assa, ,oluwaseun | | | 1897 | NGR | 1.00 | 1 | 0.80 | 20 | 16.00 | |
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 Heights Southwest July 2018 | Lagos | NGR | 2018-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1973 | 1654 | 2.00 | 5 | 1.28 | 20 | 25.60 | |
| | Osunfuyi , Abimbola | f | | 2054 * | NGR | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Oyama, ,ekok | c | | 1885 | NGR | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Chukwuemeka-Ehirim, ,chinyere | | | 1839 | NGR | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Lapite, ,oluwadurotimi | | | 2054 * | NGR | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Okhipo , Bartholomew Emmanuel | | | 2032 | NGR | 0.50 | 1 | 0.41 | 20 | 8.20 | | | * 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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