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Individual Calculations February 2018 |
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| Nyaga, James Kabui Total change: 107.80 | |   |
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| Kenya National Chess Championship 2017 Open | Nairobi | KEN | 2017-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1900 | 1634 | 3.50 | 6 | 2.42 | 40 | 96.80 | |
|  Mukabi, John | c | | 1881 | KEN | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Gohil, Mehul | | | 2034 * | KEN | 1.00 | 1 | 0.92 | 40 | 36.80 | |  Kagambi, Lawrence | | | 1907 | KEN | 1.00 | 1 | 0.83 | 40 | 33.20 | | | Ngani, Victor | | | 1880 | KEN | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Nderitu, George | | | 1861 | KEN | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Mulaga, Geoffrey | | | 1834 | KEN | 0.50 | 1 | 0.26 | 40 | 10.40 | | | * 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) | | | NOTE: K factor changed | | Kireka Open Chess Championship 2017 | Kireka, Kampala | UGA | 2017-12-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1916 | 1634 | 0.50 | 3 | -0.03 | 20 | -0.60 | |
| | Amoko, Ivy Claire | | wf | 1813 | UGA | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Kamoga, Rajab | | | 2034 * | UGA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Luggya, Vianney | | | 1900 | UGA | 0.00 | 1 | -0.18 | 20 | -3.60 | | | * 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) | | | NOTE: K factor changed | | Second Phase Olympiad Qualifiers - Open Section | Nairobi | KEN | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1712 | 1634 | 3.00 | 6 | 0.58 | 20 | 11.60 | |
| | Ngani, Victor | | | 1880 | KEN | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Shafat, Abdi Nasir Mohamed | | | 1831 | KEN | 1.00 | 1 | 0.75 | 20 | 15.00 | | | Muchai, James | | | 1828 | KEN | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Michuki, Francis | | | 1605 | KEN | 0.00 | 1 | -0.54 | 20 | -10.80 | | | Mulindi, Trevor Murengu | | | 1505 | KEN | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Omondi, Timothy | | | 1621 | KEN | 1.00 | 1 | 0.48 | 20 | 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) | | |
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