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Individual Calculations May 2023 |
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| Zuri, Tatiina Total change: 13.60 | |   |
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| Kenya Open Chess Championship 2023 - Ladies Section | Nairobi | KEN | 2023-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1341 | 1171 | 2.00 | 4 | 0.81 | 40 | 32.40 | |
|  Wanjiru, Lucy | | wc | 1459 | KEN | 0.50 | 1 | 0.34 | 40 | 13.60 | |  Nalunga, Sandra Esther | | | 1288 | UGA | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Muthoni, Vivian | | | 1145 | KEN | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Takali, Milly | | | 1471 | UGA | 0.50 | 1 | 0.35 | 40 | 14.00 | |
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) | | | | 2023 World School Chess Championships - girls U15 | Rhodes | GRE | 2023-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1472 | 1171 | 0.50 | 4 | -0.47 | 40 | -18.80 | |
| | Gkoutzouki, Aikaterini Argyro | | | 1772 | GRE | 0.00 | 1 | -0.02 | 40 | -0.80 | | | Abdallah, Esraa | | | 1098 | TUN | 0.50 | 1 | -0.10 | 40 | -4.00 | | | Rasheva, Nora | | wc | 1710 | BUL | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Suyerkulova, Daniya | | | 1308 | KAZ | 0.00 | 1 | -0.32 | 40 | -12.80 | |
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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