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Individual Calculations November 2023 |
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| Nnabuike, David Chidera Total change: 20.00 | |   |
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| SOUTH SOUTH OPEN CHESS TOURNAMENT | NMA BUILDING EAST WEST ROAD, PORTHARCOURT | NGR | 2023-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2008 | 1762 | 1.50 | 5 | 0.50 | 40 | 20.00 | |
|  Ilegieuno, Justus | | | 1917 | NGR | 1.00 | 1 | 0.71 | 40 | 28.40 | |  Afam, Ndidi Ernest | | | 2124 | NGR | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Okpongete, Edidiong Aniefiok | | | 1980 | NGR | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Osadebe, Michael Ikechukwu | | | 2018 | NGR | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Chima, Mount Zion Kenechuku | | | 2001 | NGR | 0.00 | 1 | -0.20 | 40 | -8.00 | |
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) | | |
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