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Individual Calculations February 2018 |
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| Mwamburi, Nixon Total change: 8.00 | |   |
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| Kenya National Chess Championship 2017 Open | Nairobi | KEN | 2017-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1798 | 1703 | 2.00 | 4 | 0.47 | 40 | 18.80 | |
|  Sijenyi, Stephen Ouma | f | | 2011 | KEN | 0.00 | 1 | -0.14 | 40 | -5.60 | |  Matiko, Chacha | | | 1498 | KEN | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Singe, Philip Mbawala | | | 1884 | KEN | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Mmata, Brian | | | 1800 | KEN | 0.50 | 1 | 0.13 | 40 | 5.20 | |
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) | | | | Second Phase Olympiad Qualifiers - Open Section | Nairobi | KEN | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1737 | 1703 | 2.50 | 6 | -0.27 | 40 | -10.80 | |
| | Sang, Ricky | | | 1937 | KEN | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Michuki, Francis | | | 1605 | KEN | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Omondi, Timothy | | | 1621 | KEN | 1.00 | 1 | 0.39 | 40 | 15.60 | | | Methu, Joseph Muragu | | | 1971 | KEN | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Mwangi, John Milton Kihara | | | 1700 | KEN | 0.00 | 1 | -0.50 | 40 | -20.00 | | | Juma, Maxwell | | | 1590 | KEN | 0.50 | 1 | -0.15 | 40 | -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) | | |
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