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Individual Calculations August 2019 |
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| Chumfwa, Stanley Total change: 19.80 | |   |
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| Zambia Open International Chess Championships - Championship Section | Lusaka | ZAM | 2019-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2306 | 2297 | 5.00 | 8 | 1.10 | 20 | 22.00 | |
|  Chola, Midosantos | | | 2087 | ZAM | 1.00 | 1 | 0.23 | 20 | 4.60 | |  Mwansa, Mambwe | | | 2094 | ZAM | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Ssegwanyi, Arthur | m | | 2370 | UGA | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Grover, Sahaj | g | | 2515 | IND | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Mulenga, Prince Daniel | | | 2279 | ZAM | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Phiri, Richmond | m | | 2297 | ZAM | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Hesham, Abdelrahman | g | | 2417 | EGY | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Raetsky, Alexander | g | | 2387 | RUS | 0.00 | 1 | -0.38 | 20 | -7.60 | |
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) | | | | Championnat Individuel Africain 2019 Open | Hammamet | TUN | 2019-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2290 | 2297 | 4.50 | 9 | -0.11 | 20 | -2.20 | |
| | Mande, Allan Benjamin | | | 1897 * | UGA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Bellahcene, Bilel | g | | 2541 | ALG | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Mesfin, Leykun | f | | 2160 | ETH | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Amin, Bassem | g | | 2697 * | EGY | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Silva, David | m | | 2246 | ANG | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Solomon, Kenny | g | | 2375 | RSA | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Munenga, Douglas D | f | | 2329 | ZAM | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Degondo, Simplice Armel | f | | 2115 | CIV | 0.00 | 1 | -0.74 | 20 | -14.80 | | | Douissa, Oussama | f | | 2248 | TUN | 0.50 | 1 | -0.07 | 20 | -1.40 | | | * 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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