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Individual Calculations January 2020 |
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| Ndirangu, Joyce Nyaruai Total change: -4.00 | |   |
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| Tanzania Open Chess Championship 2019 | Dar es Salaam | TAN | 2019-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1880 | 1653 | 1.00 | 4 | -0.03 | 20 | -0.60 | |
|  Magana, Ben | c | | 2053 * | KEN | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Adorwa, Brian Kadenge | | | 1852 | KEN | 0.00 | 1 | -0.24 | 20 | -4.80 | |  Jumba, Gloria | | | 1561 | KEN | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Nsubuga, Haruna | f | | 2053 * | UGA | 0.00 | 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) | | | | 2019 Rwabushenyi Memorial Open chess championship | Kampala | UGA | 2019-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1887 | 1653 | 2.00 | 5 | 0.88 | 20 | 17.60 | |
| | Etoru, Amos | | | 2023 | UGA | 0.50 | 1 | 0.40 | 20 | 8.00 | | | Mawanda, Michael | | | 1978 | UGA | 0.50 | 1 | 0.37 | 20 | 7.40 | | | Ssali , Julius | | | 1917 | UGA | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Kalema, Rogers | | | 1768 | UGA | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Muwanika, Phillip | | | 1748 | UGA | 0.00 | 1 | -0.37 | 20 | -7.40 | |
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) | | | | The 2019 Kenya National Chess Championship - Ladies | Nairobi | KEN | 2019-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1354 | 1653 | 6.50 | 9 | -1.05 | 20 | -21.00 | |
| | Metrine, Nyaboke | | | 1253 * | KEN | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Njeri, Maureen Kirigo | | | 1253 * | KEN | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mable, Kawa | | | 1257 | KEN | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gosrani, Naiya | | | 1406 | KEN | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Mongeli, Sasha | | wf | 1550 | KEN | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Awinja, Easter | | | 1460 | KEN | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Francisca, Kagwiria | | | 1253 * | KEN | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Muthoni, Vivian | | | 1373 | KEN | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Madelta, Glenda | | | 1380 | KEN | 0.50 | 1 | -0.33 | 20 | -6.60 | | | * 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) | | |
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