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Individual Calculations August 2018 |
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| Boleme, Reetsang William Total change: -180.80 | |   |
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| 2018 South African Open Chess Championships (A-Section) | Bloemfontein | RSA | 2018-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1539 | 1741 | 1.50 | 8 | -4.52 | 40 | -180.80 | |
|  Racaza, Sinovuyo | | | 1487 | RSA | 0.00 | 1 | -0.81 | 40 | -32.40 | |  Oosthuizen, Michal Jacobus | | | 1481 | RSA | 0.00 | 1 | -0.82 | 40 | -32.80 | | | Phillips, Nigel J. | | | 1554 | RSA | 0.00 | 1 | -0.74 | 40 | -29.60 | | | Swart, George | | | 1512 | RSA | 0.50 | 1 | -0.29 | 40 | -11.60 | | | Chueu, Calvin | | | 1602 | RSA | 0.00 | 1 | -0.69 | 40 | -27.60 | | | Wright, Adrian | | | 1694 | RSA | 0.00 | 1 | -0.57 | 40 | -22.80 | | | Fibiger, Jethro Nathanael | | | 1405 | RSA | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Valashia, Itumeleng Houston | | | 1575 | RSA | 0.00 | 1 | -0.72 | 40 | -28.80 | |
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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