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Individual Calculations September 2023 |
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| Du, Toit Dawid Total change: -30.40 | |   |
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| 2023 ZCA Challenge | Windhoek | NAM | 2023-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1368 | 1146 | 0.00 | 2 | -0.45 | 40 | -18.00 | |
|  Becker, Stefan | | | 1428 | NAM | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Angula, Sbusiso | | | 1308 | NAM | 0.00 | 1 | -0.29 | 40 | -11.60 | |
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) | | | | GRIT Open Chess Tournament | Windhoek | NAM | 2023-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1493 | 1146 | 0.00 | 2 | -0.31 | 40 | -12.40 | |
| | Nghifikwa, Leonard | | | 1672 | NAM | 0.00 | 1 | -0.03 | 40 | -1.20 | |  Beukes, Jamie-Nicole | | wc | 1314 | NAM | 0.00 | 1 | -0.28 | 40 | -11.20 | |
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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