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Individual Calculations May 2023 |
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| Nokutenda, Michelle Madzikwa Total change: 6.40 | |   |
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| 2023 STEWARD BANK EASTER OPEN TOURNAMENT LADIES SECTION | Harare | ZIM | 2023-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1432 | 1105 | 1.00 | 6 | 0.14 | 40 | 5.60 | |
|  Mathe, Nomalungelo | | | 1608 | ZIM | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Ndou, Tatenda | | | 1312 | ZIM | 0.50 | 1 | 0.27 | 40 | 10.80 | |  Zengeni, Tatenda Melisa | | | 1552 | ZIM | 0.00 | 1 | -0.06 | 40 | -2.40 | | | Ndlovu, Blessing | | | 1324 | ZIM | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Munyimani, Sandra | | | 1363 | ZIM | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Niza, Chilingwe | | | 1431 | ZAM | 0.00 | 1 | -0.13 | 40 | -5.20 | |
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 |
| 1368 | 1105 | 1.50 | 6 | 0.02 | 40 | 0.80 | |
| | Rasheva, Nora | | wc | 1710 | BUL | 0.00 | 1 | -0.02 | 40 | -0.80 | | | Farhat, Assil | | | 1162 | TUN | 0.00 | 1 | -0.42 | 40 | -16.80 | | | Mahi, R. Shah | | | 1372 | TAN | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Rusu, Anastasia | | | 1238 | ROU | 1.00 | 1 | 0.68 | 40 | 27.20 | | | Zhong, April Yunwei | | | 1626 | CAN | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Abdallah, Esraa | | | 1098 | TUN | 0.00 | 1 | -0.51 | 40 | -20.40 | |
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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