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Individual Calculations January 2018 |
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| Adesina, ,adeyinka Total change: 3.20 | |   |
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| 1st Nigerian Mindgames Festival | Ibadan | NGR | 2017-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2167 | 2185 | 3.50 | 5 | 0.88 | 20 | 17.60 | |
|  Adelakun, ,adewale | | | 2028 | NGR | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Omorere, ,benjamin Aruoture | c | | 2104 | NGR | 1.00 | 1 | 0.39 | 20 | 7.80 | |  Anwuli , Daniel | f | | 2249 | NGR | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Aikhoje, ,odion | m | | 2276 | NGR | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Dr Martin, Odum | | | 2178 | NGR | 1.00 | 1 | 0.49 | 20 | 9.80 | |
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) | | | | 1st Osarobo Osamudiamwen Harrison Chess Tournament | Benin | NGR | 2017-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2038 | 2178 | 2.00 | 4 | -0.72 | 20 | -14.40 | |
| | Nesimeye , Okuma Ejomafuvwe | | | 1963 | NGR | 0.00 | 1 | -0.77 | 20 | -15.40 | | | Obanuta , David Ovie | | | 1991 | NGR | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Onokpite, Kennedy | | | 2073 | NGR | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Dennis, ,ogbogho | | | 2126 | NGR | 0.00 | 1 | -0.57 | 20 | -11.40 | |
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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