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Individual Calculations August 2018 |
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| Boshoma, Chisomo Total change: -88.80 | |   |
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| Commonwealth Chess Championship 2018 U 12 Girls | Delhi | IND | 2018-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1245 | 1188 | 1.00 | 5 | -1.13 | 40 | -45.20 | |
|  Kheerthi, Ganta | | | 1388 | IND | 0.00 | 1 | -0.24 | 40 | -9.60 | |  Panda, Miracle | | | 1278 | IND | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Khuanna, Kapoor | | | 1257 | IND | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Srivastav, Manishika | | | 1146 | IND | 0.50 | 1 | -0.06 | 40 | -2.40 | | | Sritama, Sen | | | 1154 | IND | 0.00 | 1 | -0.55 | 40 | -22.00 | |
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) | | | | 2018 South African Open Chess Championships (B-Section) | Bloemfontein | RSA | 2018-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1368 | 1188 | 0.00 | 4 | -1.09 | 40 | -43.60 | |
| | Posholi, Kamohelo | | | 1460 | RSA | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Aphane, Maesela | | | 1437 | RSA | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Nyamandi, Langutani Lucas | | | 1262 | RSA | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Mamburu, Mutsidzi | | | 1313 | RSA | 0.00 | 1 | -0.33 | 40 | -13.20 | |
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) | | |
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