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Individual Calculations January 2019 |
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| Reddy, Ananta Total change: -25.20 | |   |
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| 2018 South African Junion Chess Championships (u18A) | Boksburg | RSA | 2018-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1414 | 1704 | 1.50 | 3 | -0.96 | 40 | -38.40 | |
|  Vuso, Hlomisa | | | 1304 * | RSA | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Felix, Devon | | | 1611 | RSA | 0.50 | 1 | -0.13 | 40 | -5.20 | |  Joule, Ethan | | | 1326 | RSA | 0.50 | 1 | -0.41 | 40 | -16.40 | | | * 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) | | | | 2018 Wild Card Chess Championships (U18 Open) | Boksburg | RSA | 2018-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1421 | 1704 | 2.00 | 2 | 0.33 | 40 | 13.20 | |
| | Willenberg, Tristan | | | 1358 | RSA | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Fibiger, Jethro Nathanael | | | 1484 | RSA | 1.00 | 1 | 0.22 | 40 | 8.80 | |
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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