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Individual Calculations July 2018 |
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| Oyamo, Martin Total change: 30.40 | |   |
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| Nairobi Open International Chess Championship | Nairobi | KEN | 2018-06-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1690 | 1726 | 3.00 | 6 | -0.29 | 20 | -5.80 | |
|  Kingora, Kamau | | | 1653 | KEN | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Amwai, Tom | | | 1557 | KEN | 1.00 | 1 | 0.28 | 20 | 5.60 | |  Adorwa, Brian Kadenge | | | 1847 | KEN | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Akhanyinya, Bryan Toboso | | | 1861 | KEN | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Akello, Wellington | | | 1546 | KEN | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Lwanga, Charles Karoli | | | 1673 | KEN | 0.50 | 1 | -0.07 | 20 | -1.40 | |
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) | | | | Nakuru Chess Tournament open section | Nakuru | KEN | 2018-06-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2000 | 1726 | 2.50 | 4 | 1.81 | 20 | 36.20 | |
| | Gohil, Mehul | | | 2015 | KEN | 1.00 | 1 | 0.84 | 20 | 16.80 | | | Sang, Ricky | | | 1966 | KEN | 0.50 | 1 | 0.30 | 20 | 6.00 | | | Methu, Joseph Muragu | | | 2028 | KEN | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Atwoli, Joseph | | | 1991 | KEN | 1.00 | 1 | 0.82 | 20 | 16.40 | |
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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