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Individual Calculations February 2016 |
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| Osunfuyi, Abimbola Total change: -57.80 | |   |
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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 |
| 2090 | 2242 | 4.50 | 9 | -1.82 | 20 | -36.40 | |
|  Abdulkadir, Umar | | | 2077 | NGR | 0.50 | 1 | -0.22 | 20 | -4.40 | |  Dasaolu, Olurotimi | | | 2060 | NGR | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Campbell, Charles | c | | 2157 | NGR | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Emuakpeje, Ochuko | | | 2114 | NGR | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Omoifo, Osemekhian I | | | 2106 | USA | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Oluwaseyitan, Femi | | | 2101 | NGR | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Ajibowo, Olamide Patrick | f | | 2101 | NGR | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Obubele, Koko | | | 2084 | NGR | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Okonkwo, Ifeanyi | | | 2006 | NGR | 0.50 | 1 | -0.30 | 20 | -6.00 | |
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) | | | | 2ND ASHTONWELLS (INVITATIONAL) CHESS CHAMPIONSHIP MALE SECTION | ABRAKA | NGR | 2015-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2240 | 2242 | 5.00 | 9 | 0.48 | 20 | 9.60 | |
| | Adeshina, Adeyinka | c | | 2287 | NGR | 1.00 | 1 | 0.56 | 20 | 11.20 | | | Adu, Oladapo | m | | 2238 | NGR | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Adegboyega, Adebayo | f | | 2269 | NGR | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Unwana, Eugene Ekpoikong | f | | 2235 | NGR | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Sorungbe , Ademola | c | | 2243 | NGR | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Abdulraheem, Abdulrahman Akintoye | | | 2203 | NGR | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Dieyi, Roland | c | | 2252 | NGR | 0.50 | 1 | 0.01 | 20 | 0.20 | | | Anwuli, Daniel | | | 2182 | NGR | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Oragwu, Chukwunonso | c | | 2254 | NGR | 1.00 | 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) | | | | 3RD BENIN CHESS TOURNAMENT | BENIN-CITY | NGR | 2015-12-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2137 | 2242 | 1.00 | 4 | -1.55 | 20 | -31.00 | |
| | Ugushidah, Ikorogbudu | | | 2056 | NGR | 0.00 | 1 | -0.74 | 20 | -14.80 | | | Unwana, Eugene Ekpoikong | f | | 2235 | NGR | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Onovughe, Ochuko Emmanuel | | | 2177 | NGR | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Obanuta, David Ovie | | | 2081 | NGR | 0.50 | 1 | -0.21 | 20 | -4.20 | |
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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