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Individual Calculations June 2013 |
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| Njobvu, Ignatius Total change: -16.50 | |   |
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| Zone 4.3 Individual Chess Championships 2013-Open Section | Gaborone | BOT | 2013-05-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2151 | 2239 | 3.50 | 8 | -1.41 | 15 | -21.15 | |
|  Tangani, Goabaone | | | 1985 | BOT | 0.00 | 1 | -0.81 | 15 | -12.15 | |  Olebile, Thato | | | 2086 | BOT | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Solomons, Deon | c | | 2169 | RSA | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Klaasen, Calvin Jong | | | 2131 | RSA | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Gumpo, Thabo | c | | 2025 | BOT | 0.50 | 1 | -0.27 | 15 | -4.05 | | | Johannes Manyedi, Mabusela | m | | 2320 | RSA | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Bwalya, Gillan | f | | 2315 | ZAM | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Chaka, Jona | | | 2175 | ZIM | 0.50 | 1 | -0.09 | 15 | -1.35 | |
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) | | | | African Individual Chess Championship - Open | Tunis | TUN | 2013-05-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2309 | 2239 | 4.00 | 9 | 0.31 | 15 | 4.65 | |
| | Haddouche, Mohamed | m | | 2459 | ALG | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Nassr, Ali | f | | 2070 | ALG | 0.50 | 1 | -0.22 | 15 | -3.30 | | | El Adnani, Mokliss | f | | 2365 | MAR | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Solomons, Deon | c | | 2169 | RSA | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Belkhodja, Slim | g | | 2444 | TUN | 1.00 | 1 | 0.76 | 15 | 11.40 | | | Zaibi, Amir | f | | 2285 | TUN | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Sarwat, Walaa | m | | 2335 | EGY | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Solomon, Kenny | m | | 2406 | RSA | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Amdouni, Zoubaier | f | | 2249 | TUN | 0.50 | 1 | 0.01 | 15 | 0.15 | |
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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