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Individual Calculations July 2011 |
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| Chaka, Jona Total change: 6.25 | |   |
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| Gaborone Open 2011- Open Section | Gaborone | BOT | 2011-06-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2111 | 2156 | 2.50 | 4 | 0.25 | 25 | 6.25 | |
|  Boikanyo, Cinky | | | 2029 | BOT | 1.00 | 1 | 0.33 | 25 | 8.25 | |  Moyo, Dion | | | 2130 | ZIM | 0.00 | 1 | -0.54 | 25 | -13.50 | | | Phiri, Richmond | f | | 2166 | ZAM | 1.00 | 1 | 0.51 | 25 | 12.75 | | | Simutowe, Musatwe | | | 2119 | ZAM | 0.50 | 1 | -0.05 | 25 | -1.25 | |
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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