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Individual Calculations February 2018 |
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| Sijenyi, Stephen Ouma Total change: -26.20 | |   |
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| Kenya National Chess Championship 2017 Open | Nairobi | KEN | 2017-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1716 | 2011 | 5.00 | 8 | -1.69 | 20 | -33.80 | |
|  Matiko, Chacha | | | 1611 * | KEN | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Lwanga, Charles Karoli | | | 1761 | KEN | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Ngani, Victor | | | 1880 | KEN | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Mwamburi, Nixon | | | 1703 | KEN | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Mulaga, Geoffrey | | | 1834 | KEN | 0.00 | 1 | -0.73 | 20 | -14.60 | | | Omondi, Timothy | | | 1621 | KEN | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Hongo, Victor Machel | | | 1706 | KEN | 0.00 | 1 | -0.86 | 20 | -17.20 | | | Lamba, Tole | | | 1611 * | KEN | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | Second Phase Olympiad Qualifiers - Open Section | Nairobi | KEN | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1933 | 2011 | 4.00 | 6 | 0.38 | 20 | 7.60 | |
| | Mmata, Brian | | | 1800 | KEN | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Maigua, Joseph Ngooro | | | 1831 | KEN | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Ndegwa, Jackson Kamau | | | 1944 | KEN | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Hinga, Githinji | | | 2114 | KEN | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Sang, Ricky | | | 1937 | KEN | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Methu, Joseph Muragu | | | 1971 | KEN | 0.50 | 1 | -0.06 | 20 | -1.20 | |
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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