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Individual Calculations January 2023 |
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| Sparg, Nathan Total change: -20.80 | |   |
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| 2022 South African Junior Team Chess Championships (U18 Open) | Port Edward | RSA | 2022-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1612 | 1417 | 0.50 | 3 | -0.52 | 40 | -20.80 | |
|  Kotze, Christiaan | c | | 1305 | RSA | 0.00 | 1 | -0.65 | 40 | -26.00 | |  Lefyedi, Thatego | | | 1530 | RSA | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Simpson, Michael | | | 2002 | RSA | 0.00 | 1 | -0.02 | 40 | -0.80 | |
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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