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Individual Calculations August 2017 |
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| Mwali, Chitumbo Total change: -31.40 | |   |
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| 2017 African Individual Chess Championships "Open" | Oran | ALG | 2017-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2263 | 2356 | 4.50 | 9 | -1.01 | 20 | -20.20 | |
|  Moulay, Mehdi | | | 2055 | ALG | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Adly, Ahmed | g | | 2620 | EGY | 0.00 | 1 | -0.18 | 20 | -3.60 | |  Chipanga, Takaedza | | | 2068 | ZIM | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Phiri, Richmond | m | | 2267 | ZAM | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Bouzidi, Ahmed | c | | 2193 | TUN | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Haddouche, Mohamed | g | | 2492 | ALG | 0.50 | 1 | 0.18 | 20 | 3.60 | | | El Gindy, Essam | g | | 2448 | EGY | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Hamdan, Abderahmane El Hadi | | | 2082 | ALG | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Boudaoud, Khaled | | | 2139 | ALG | 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 2017 (A-Section) | Durban | RSA | 2017-07-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2176 | 2356 | 6.50 | 10 | -0.56 | 20 | -11.20 | |
| | Southey, Andrew M. | | | 1956 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Abrantes, Persson | c | | 2003 | MOZ | 0.50 | 1 | -0.39 | 20 | -7.80 | | | Botao, Milton | | | 1963 | MOZ | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Bhawoodien, Mohamed Ozayr | f | | 2103 | RSA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Grover, Sahaj | g | | 2484 | IND | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Mnguni, Jacob Dumisani | | | 2147 | RSA | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Makoto, Rodwell | m | | 2372 | ZIM | 0.50 | 1 | 0.02 | 20 | 0.40 | | | Jere, Daniel | m | | 2380 | ZAM | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Masango, Spencer | | | 2203 | ZIM | 0.50 | 1 | -0.20 | 20 | -4.00 | | | De Abreu, Roberto N | f | | 2145 | RSA | 0.00 | 1 | -0.77 | 20 | -15.40 | | | * 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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