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Individual Calculations November 2017 |
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| De Abreu, Roberto N Total change: -32.20 | |   |
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| 2017 KCF Africa Team Chess Invitational (Team) | Brakpan | RSA | 2017-10-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2129 | 2142 | 1.50 | 6 | -1.61 | 20 | -32.20 | |
|  Mthunzi, Brighton | | | 2075 | RSA | 0.00 | 1 | -0.59 | 20 | -11.80 | |  Luanja, Geoffrey | | | 2182 | ZAM | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Goosen, Anton | c | | 2025 | RSA | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Simulundu, Judah | | | 2159 | ZAM | 1.00 | 1 | 0.52 | 20 | 10.40 | | | Mnguni, Jacob Dumisani | | | 2165 | RSA | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Mwale, Joseph | | | 2165 | MAW | 0.50 | 1 | 0.03 | 20 | 0.60 | |
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) | | |
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