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Individual Calculations January 2023 |
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| Ziegenhagen, Vian Luke Total change: -9.60 | |   |
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| 2022 South African Junior Team Chess Championships (U16 Open) | Port Edward | RSA | 2022-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1109 | 1132 | 0.50 | 2 | -0.56 | 40 | -22.40 | |
|  McPhail, Ryan | | | 1012 | RSA | 0.50 | 1 | -0.16 | 40 | -6.40 | |  Matshego, Thato | | | 1206 | RSA | 0.00 | 1 | -0.40 | 40 | -16.00 | |
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) | | | | 2022 South African Junior Wild Card Chess Championships (U16 Open) | Port Edward | RSA | 2022-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1398 | 1132 | 0.50 | 1 | 0.32 | 40 | 12.80 | |
| | Goliath, Brimarion | | | 1398 | RSA | 0.50 | 1 | 0.32 | 40 | 12.80 | |
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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