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Individual Calculations November 2023 |
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| Emmanuel, Joy Idara Total change: 40.20 | |   |
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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 |
| 1938 | 2064 | 5.50 | 8 | 0.31 | 20 | 6.20 | |
|  Ajieh, Ebenezer Osamudiamen | | | 1866 | NGR | 1.00 | 1 | 0.24 | 20 | 4.80 | |  Ikuenomore, Ayodeji Olumuyiwa | | | 1826 | NGR | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Onoja, Iyefu Joy | | | 1852 | NGR | 0.00 | 1 | -0.77 | 20 | -15.40 | | | Nkekere, Tommy | | | 1831 | NGR | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Osayande, Kingsley | | | 1664 * | NGR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Okpongete, Edidiong Aniefiok | | | 1980 | NGR | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Okemakinde, Toluwanimi | | | 2228 | NGR | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Abdulraheem, Abdulrahman Akintoye | f | | 2259 | NGR | 1.00 | 1 | 0.75 | 20 | 15.00 | | | * 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) | | | | NIGERIA NATIONAL CHESS CHAMPIONSHIP 2023 | Lekki, LAGOS | NGR | 2023-10-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2186 | 2106 | 6.00 | 11 | 1.70 | 20 | 34.00 | |
| | Adu, Oladapo | m | | 2025 | NGR | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Olisa, Tennyson | | | 2136 | NGR | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Balogun, Oluwafemi Daniel | m | | 2234 | NGR | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Kigigha, Bomo Lovet | f | | 2282 | NGR | 1.00 | 1 | 0.73 | 20 | 14.60 | | | Abdulraheem, Abdulrahman Akintoye | f | | 2259 | NGR | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Ekunke, Odey Goodness | | | 2153 | NGR | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Okemakinde, Toluwanimi | | | 2228 | NGR | 1.00 | 1 | 0.67 | 20 | 13.40 | | | Eyetonghan, Denyefa Callistus | | | 2175 | NGR | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Olanrewaju, Ajibola | | | 2195 | NGR | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Akinseye, Abiola Daniel | f | | 2183 | NGR | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Ferdinand, Tersee Nyuima | | | 2178 | NGR | 0.00 | 1 | -0.40 | 20 | -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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