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Individual Calculations August 2017 |
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| Vassiliadis, John Total change: -41.60 | |   |
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| Gaborone International Open 2017 | Gaborone | BOT | 2017-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1933 | 1729 | 1.00 | 2 | 0.52 | 40 | 20.80 | |
|  Mapini, Otsile | c | | 1962 | BOT | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Mogale, Onkabetse | | | 1904 | BOT | 1.00 | 1 | 0.73 | 40 | 29.20 | |
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 Open Chess Championships 2017 (A-Section) | Durban | RSA | 2017-07-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1633 | 1729 | 4.00 | 9 | -1.56 | 40 | -62.40 | |
| | Vedant, Kumar Saravana | | | 1329 * | IND | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Mnguni, Jacob Dumisani | | | 2129 * | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Moremi, Thato | | | 1493 | RSA | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Mosenya, Ndawana | c | | 2062 | BOT | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Nkuna, Windsor | | | 1437 | RSA | 0.50 | 1 | -0.35 | 40 | -14.00 | | | Jacobs, Kevin T | | | 1882 | RSA | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Nyathi, Musa | | | 1470 | RSA | 0.00 | 1 | -0.82 | 40 | -32.80 | | | Pather, Cayden | | | 1465 | RSA | 0.50 | 1 | -0.32 | 40 | -12.80 | | | Woolf, Charne | | wf | 1433 | RSA | 1.00 | 1 | 0.15 | 40 | 6.00 | | | * 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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