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Individual Calculations February 2020 |
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| Okonkwo, Ifeanyi Total change: 25.80 | |   |
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| National Friends of Chess Below 2000 | Lagos | NGR | 2020-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1914 | 2003 | 5.00 | 6 | 1.29 | 20 | 25.80 | |
|  Okonye, Sampson Ichiban | | | 1839 | NGR | 1.00 | 1 | 0.28 | 20 | 5.60 | |  Izuogu, Mickey | | | 1938 | NGR | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Oyakhilome, David | | | 1791 | NGR | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Omosebi, Adebowale | | | 1948 | NGR | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Odugbesan, Adedapo Olatunde | | | 1983 | NGR | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Agusto, Olaonikpekun | | | 1987 | NGR | 0.50 | 1 | -0.02 | 20 | -0.40 | |
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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