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Individual Calculations November 2023 |
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| Koko, Obubele Total change: -5.20 | |   |
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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 |
| 1984 | 2071 | 4.00 | 7 | -0.26 | 20 | -5.20 | |
|  Damasus, Chikezie | | | 1875 | NGR | 1.00 | 1 | 0.25 | 20 | 5.00 | |  Michael, Bridget | | | 1865 | NGR | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Egbujie, Stanley Okechukwu | | | 1906 | NGR | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Ikuenomore, Ayodeji Olumuyiwa | | | 1826 | NGR | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Omoifo, Osemekhian I | | | 2181 | USA | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Chima, Mount Zion Kenechuku | | | 2001 | NGR | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Balogun, Oluwafemi Daniel | m | | 2234 | NGR | 0.00 | 1 | -0.28 | 20 | -5.60 | |
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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