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Individual Calculations May 2017 |
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| Essa, Naseem Ahmed Total change: -30.40 | |   |
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| Ethekwini Open (A-Section) | Durban | RSA | 2017-03-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1929 | 1855 | 2.50 | 4 | 0.94 | 40 | 37.60 | |
|  Mwale, Joseph | | | 2132 | MAW | 0.00 | 1 | -0.17 | 40 | -6.80 | |  Millard, Chad | | | 1455 * | RSA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Skosana, Stephen K. | | | 2039 | RSA | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Mthunzi, Brighton | | | 2090 | RSA | 1.00 | 1 | 0.79 | 40 | 31.60 | | | * 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) | | | | South African Junior Closed 2017 (u14 Open) | Benoni | RSA | 2017-04-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1499 | 1855 | 4.50 | 7 | -1.70 | 40 | -68.00 | |
| | Louw, Carlo | | | 1455 * | RSA | 0.00 | 1 | -0.92 | 40 | -36.80 | | | Cruywagen, Armand | | | 1455 * | RSA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Govender, Eli Jordan | | | 1481 | RSA | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Schoeman, Ewald | c | | 1468 | RSA | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Eaton, Dante | c | | 1455 * | RSA | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Nhamuave, Eleazar | | | 1527 | RSA | 0.50 | 1 | -0.37 | 40 | -14.80 | | | Schnabel, Johann Emil | c | | 1654 | RSA | 0.50 | 1 | -0.26 | 40 | -10.40 | | | * 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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