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Individual Calculations November 2023 |
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| Quickpen, Deborah Ebimobo-Ere Total change: 198.80 | |   |
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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 |
| 1915 | 1713 | 1.50 | 4 | 0.49 | 40 | 19.60 | |
|  Eluekezi, Chukwuwikeh Phoenix | | | 1979 | NGR | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Eyenghe, Sunny | | | 2015 | NGR | 0.00 | 1 | -0.15 | 40 | -6.00 | |  Egbujie, Stanley Okechukwu | | | 1906 | NGR | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Igboecheonwu, Clinton | | | 1760 | NGR | 1.00 | 1 | 0.57 | 40 | 22.80 | |
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) | | | | National Youth Chess Teams Championship (GIRLS) | ASABA, DELTA STATE. | NGR | 2023-09-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1661 | 1713 | 1.00 | 1 | 0.43 | 40 | 17.20 | |
| | Omoruyi, Sandra | | | 1661 | NGR | 1.00 | 1 | 0.43 | 40 | 17.20 | |
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 WOMEN CHESS CHAMPIONSHIP 2003 | Lekki, LAGOS | NGR | 2023-10-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1759 | 1755 | 9.50 | 11 | 4.05 | 40 | 162.00 | |
| | Oyelese, Mayomi Olayinka | | | 1683 | NGR | 0.00 | 1 | -0.60 | 40 | -24.00 | | | Ofowino, Toritsemuwa | | | 1878 | NGR | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Amadasun, Rosemary | | | 1750 | NGR | 1.00 | 1 | 0.49 | 40 | 19.60 | | | Erhabor, Joy Felix | | | 1698 | NGR | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Nzeako, Chizoba Treasure | | | 1611 | NGR | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Diachavbe, Chemuete | | | 1741 | NGR | 1.00 | 1 | 0.48 | 40 | 19.20 | | | Michael, Bridget | | | 1865 | NGR | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Olabisii, Elizabeth Oluwaseun | | | 1649 | NGR | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Suleiman, Azumi Ayisha | | | 1900 | NGR | 1.00 | 1 | 0.69 | 40 | 27.60 | | | Nwankwo, Michelle Chiamaka | | | 1719 | NGR | 1.00 | 1 | 0.45 | 40 | 18.00 | | | Onoja, Iyefu Joy | | | 1852 | NGR | 1.00 | 1 | 0.63 | 40 | 25.20 | |
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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