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Individual Calculations March 2015 |
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| Masango, Spencer Total change: -13.80 | |   |
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| Piet Robbertse Open Chess Tournament 2015 | Pretoria | RSA | 2015-01-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2040 | 2146 | 2.50 | 5 | -0.69 | 20 | -13.80 | |
|  Ristovich, Dmitar S. | | | 1904 | RSA | 1.00 | 1 | 0.20 | 20 | 4.00 | |  Nelson, Jaco | | | 1962 | RSA | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Johannes Manyedi, Mabusela | m | | 2244 | RSA | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Mthunzi, Brighton | | | 2096 | RSA | 0.00 | 1 | -0.57 | 20 | -11.40 | | | Bornheim, Craig | c | | 1992 | RSA | 0.00 | 1 | -0.71 | 20 | -14.20 | |
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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