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Individual Calculations December 2015 |
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| Bornheim, Craig Total change: 14.40 | |   |
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| Gauteng Chess League (Premier Section) | Johannesburg | RSA | 2015-10-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1919 | 2025 | 2.00 | 2 | 0.72 | 20 | 14.40 | |
|  Ristovich, Dmitar S. | | | 1988 | RSA | 1.00 | 1 | 0.45 | 20 | 9.00 | |  Sibiya, Ruddy T | | | 1850 | RSA | 1.00 | 1 | 0.27 | 20 | 5.40 | |
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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