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Individual Calculations February 2018 |
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| Ngima, Cheryl Total change: -120.00 | |   |
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| Kenya National Chess Championship 2017 Ladies | Nairobi | KEN | 2017-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1328 | 1463 | 1.00 | 4 | -1.71 | 40 | -68.40 | |
|  Wanjiru, Lucy | | | 1257 | KEN | 0.00 | 1 | -0.76 | 40 | -30.40 | |  Thitu, Winfred | | | 1364 | KEN | 0.00 | 1 | -0.64 | 40 | -25.60 | | | Mwikali, Daphne | | | 1413 | KEN | 0.00 | 1 | -0.57 | 40 | -22.80 | | | Thuo, Agnes Gathoni | | | 1277 | KEN | 1.00 | 1 | 0.26 | 40 | 10.40 | |
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) | | | | Second Phase Olympiad Qualifiers - Ladies Section | Nairobi | KEN | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1386 | 1463 | 0.50 | 3 | -1.29 | 40 | -51.60 | |
| | Wanjiru, Lucy | | | 1257 | KEN | 0.00 | 1 | -0.76 | 40 | -30.40 | | | Jumba, Gloria | | | 1593 | KEN | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Mumbi, Stephanie | | | 1307 | KEN | 0.50 | 1 | -0.21 | 40 | -8.40 | |
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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