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Individual Calculations January 2019 |
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| Moremi, Thato Total change: 39.40 | |   |
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| 2018 South African Junion Chess Championships (u20A) | Boksburg | RSA | 2018-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1705 | 1680 | 3.50 | 4 | 1.63 | 40 | 65.20 | |
|  Marais, Daniel | | | 1770 | RSA | 1.00 | 1 | 0.62 | 40 | 24.80 | |  Wolmarans, Riekie | | | 1523 | RSA | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Ndlovu, Sizwe | | | 1823 | RSA | 1.00 | 1 | 0.69 | 40 | 27.60 | | | Flores Bartoli, Andrew | c | | 1704 | RSA | 1.00 | 1 | 0.53 | 40 | 21.20 | |
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) | | | NOTE: K factor changed | | 2018 Inter Region Chess Championships | Boksburg | RSA | 2018-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1637 | 1680 | 1.50 | 5 | -1.29 | 20 | -25.80 | |
| | Mnguni, Jacob Dumisani | | | 2080 * | RSA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Schoeman, Ewald | c | | 1509 | RSA | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Maredi, Alex | | | 1791 | RSA | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Wolmarans, Riekie | | | 1523 | RSA | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Qangule, Lithitha Qhayiya | | | 1280 * | RSA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * 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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