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Individual Calculations August 2015 |
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| Chumfwa, Stanley Total change: -3.80 | |   |
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| Kafue Open Chess Championship 2015 | Kafue | ZAM | 2015-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2134 | 2311 | 5.00 | 7 | 0.00 | 20 | 0.00 | |
|  Chisha, Lyapa | | | 1956 | ZAM | 1.00 | 1 | 0.11 | 20 | 2.20 | |  Simulundu, Judah | | | 2080 | ZAM | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Phiri, Godwin | | | 2148 | ZAM | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Chumfwa, Kelvin | m | | 2268 | ZAM | 0.00 | 1 | -0.56 | 20 | -11.20 | | | Mwenya, Oscar | | | 2049 | ZAM | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Bwalya, Gillan | m | | 2353 | ZAM | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Daka, Justin | | | 2086 | ZAM | 1.00 | 1 | 0.22 | 20 | 4.40 | |
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) | | | | South African Open Chess Championships 2015 | Cape Town | RSA | 2015-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2173 | 2311 | 6.50 | 10 | -0.19 | 20 | -3.80 | |
| | Southey, Andrew M. | | | 1911 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mbedza, Richard | c | | 1989 | MAW | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Odendaal, Frederick | | | 2054 | RSA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Kunte, Abhijit | g | | 2483 | IND | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Mwale, Joseph | | | 2094 | MAW | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Van Rensburg, Ryan Pierre | | | 2208 | RSA | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Short, Nigel D | g | | 2683 | ENG | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Takawira, Erick | | | 2153 | ZIM | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Bouah, Lyndon | c | | 2124 | RSA | 0.00 | 1 | -0.74 | 20 | -14.80 | | | Du Plessis, Heinco | | | 2031 | RSA | 1.00 | 1 | 0.16 | 20 | 3.20 | | | * 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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