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Individual Calculations August 2018 |
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| Van Der Merwe, Alexander Total change: 163.20 | |   |
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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 |
| 1762 | 1477 | 6.00 | 11 | 4.08 | 40 | 163.20 | |
|  Pesa, Mofoka A. | | | 1831 | RSA | 1.00 | 1 | 0.89 | 40 | 35.60 | |  Wilken, Justin Barend | | | 1877 * | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Lesuthu, Kali M. | | | 1580 | RSA | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Louw, Gideon N. | | | 1721 | RSA | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Mmoneng, Patrick L. | | | 1839 | RSA | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Khumalo, Keith | | | 1877 * | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Southey, Andrew M. | | | 1762 | RSA | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Manaba, Thembani | | | 1664 | RSA | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Vermeulen, George Barrett | | | 1662 | RSA | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Mofokeng, Rasweu Samson | | | 1690 | RSA | 1.00 | 1 | 0.77 | 40 | 30.80 | | | Odendaal, Frederick | | | 1877 * | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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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