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Individual Calculations September 2019 |
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| Sikwati, Lizo Total change: 9.40 | |   |
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| 2019 Alekhine (A-Section) | Pretoria | RSA | 2019-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1719 | 1683 | 3.00 | 4 | 1.13 | 20 | 22.60 | |
|  Jacobs, Calvin Nicholas | | | 1312 | RSA | 1.00 | 1 | 0.10 | 20 | 2.00 | |  Zwakala, Ntando | | | 2083 * | RSA | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Simpson, Michael | | | 1492 | RSA | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Masiya, Mfundo | | | 1989 | RSA | 0.50 | 1 | 0.36 | 20 | 7.20 | | | * 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 Namibian Open | Windhoek | NAM | 2019-08-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1540 | 1683 | 2.00 | 4 | -0.66 | 20 | -13.20 | |
| | Gorata, Mere | | | 1283 * | BOT | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Nyakansaila, Raphael | | | 2005 | NAM | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Gurirab, Kevin | | | 1429 | NAM | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Thuto, Mpene | | | 1444 | BOT | 1.00 | 1 | 0.20 | 20 | 4.00 | | | * 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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