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Individual Calculations February 2016 |
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| Oragwu, Chukwunonso Total change: -102.60 | |   |
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| 38TH NIGERIAN BREWERIES PLC INTERNATIONAL OPEN CHESS CHAMPIONSHIPS MASTERS SECTION | LAGOS | NGR | 2015-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2063 | 2254 | 5.00 | 9 | -1.72 | 40 | -68.80 | |
|  Dr Martin, Odum | | | 2087 | NGR | 0.50 | 1 | -0.22 | 40 | -8.80 | |  David, Erhabor | | | 2062 | NGR | 0.00 | 1 | -0.75 | 40 | -30.00 | | | Dasaolu, Olurotimi | | | 2060 | NGR | 0.00 | 1 | -0.75 | 40 | -30.00 | | | Izokwu, Sylvester | | | 2011 | NGR | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Oyeneyin, Tajudeen | | | 2092 | NGR | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Ajibowo, Olamide Patrick | f | | 2101 | NGR | 0.50 | 1 | -0.20 | 40 | -8.00 | | | Obanuta, David Ovie | | | 2081 | NGR | 0.00 | 1 | -0.73 | 40 | -29.20 | | | Fabeyo, Frederick | | | 2016 | NGR | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Dooterna, Shaapera | | | 2054 | NGR | 1.00 | 1 | 0.24 | 40 | 9.60 | |
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) | | | NOTE: K factor changed | | 2ND ASHTONWELLS (INVITATIONAL) CHESS CHAMPIONSHIP MALE SECTION | ABRAKA | NGR | 2015-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2239 | 2254 | 3.00 | 9 | -1.69 | 20 | -33.80 | |
| | Unwana, Eugene Ekpoikong | f | | 2235 | NGR | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Sorungbe , Ademola | c | | 2243 | NGR | 0.00 | 1 | -0.52 | 20 | -10.40 | | | Abdulraheem, Abdulrahman Akintoye | | | 2203 | NGR | 0.00 | 1 | -0.57 | 20 | -11.40 | | | Dieyi, Roland | c | | 2252 | NGR | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Anwuli, Daniel | | | 2182 | NGR | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Adegboyega, Adebayo | f | | 2269 | NGR | 0.50 | 1 | 0.02 | 20 | 0.40 | | | Adeshina, Adeyinka | c | | 2287 | NGR | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Adu, Oladapo | m | | 2238 | NGR | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Abimbola, Osunfuyi | | | 2242 | NGR | 0.00 | 1 | -0.52 | 20 | -10.40 | |
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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