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Individual Calculations March 2015 |
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| Nel, Andre Total change: 17.60 | |   |
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| Piet Robbertse Open Chess Tournament 2015 | Pretoria | RSA | 2015-01-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1919 | 1940 | 3.50 | 5 | 0.88 | 20 | 17.60 | |
|  Sadie, Johan Jacobus Hendrik | | | 1692 | RSA | 1.00 | 1 | 0.19 | 20 | 3.80 | |  Masungwini, Michael T | | | 1995 | RSA | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Mthunzi, Brighton | | | 2096 | RSA | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Katema, Patrick | | | 1912 | ZIM | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Hoek, Cornelis | | | 1900 | RSA | 0.50 | 1 | -0.06 | 20 | -1.20 | |
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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