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Individual Calculations May 2011 |
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| Erikson, Roberto R Total change: 1.80 | |   |
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| African Junior Championships 2010/11 (Boys) | East London | RSA | 2011-02-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2083 | 2194 | 4.00 | 6 | 0.12 | 15 | 1.80 | |
|  Ghattour, Mosab M | | | 2078 | LBA | 0.50 | 1 | -0.16 | 15 | -2.40 | |  Oussedik, Mahfoud M | c | | 2222 | ALG | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Hercules, Benjamin Bv | | | 2085 | RSA | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Campos, Rui R | | | 2064 | ANG | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Van Rensburg, Ryan Rp | | | 2104 | RSA | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Gumpo, Thabo T | c | | 1945 | BOT | 0.50 | 1 | -0.31 | 15 | -4.65 | |
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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