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Individual Calculations September 2009 |
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| Phiri, Richmond Total change: -16.00 | |   |
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| South African Open Chess Championship | Cape Town | RSA | 2009-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2027 | 2181 | 2.00 | 4 | -0.64 | 25 | -16.00 | |
|  Pon, Matt | | | 1781 * | RSA | 1.00 | 1 | 0.08 | 25 | 2.00 | | | Wang, Puchen | m | | 2465 | NZL | 0.00 | 1 | -0.16 | 25 | -4.00 | |  Steyn, Hans | | | 1781 * | RSA | 0.50 | 1 | -0.42 | 25 | -10.50 | | | Nelson, William Jh. | | | 2082 | RSA | 0.50 | 1 | -0.14 | 25 | -3.50 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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