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Individual Calculations May 2019 |
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| Oosthuizen, Michal Jacobus Total change: -74.00 | |   |
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| Boardwalk Pearson Chess Tournament 2019 (Open) | Port Elizabeth | RSA | 2019-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1507 | 1678 | 1.50 | 4 | -1.25 | 40 | -50.00 | |
|  February, Jesse Nikki | | wm | 1920 | RSA | 0.00 | 1 | -0.20 | 40 | -8.00 | |  Deang, Alman | | | 1322 | RSA | 0.50 | 1 | -0.39 | 40 | -15.60 | | | Levitan, Caleb Levi | | | 1299 | RSA | 0.00 | 1 | -0.91 | 40 | -36.40 | | | Racaza, Sinovuyo | | | 1486 | RSA | 1.00 | 1 | 0.25 | 40 | 10.00 | |
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) | | | | Capablanca Chess Festival (Round Robin D) | Pretoria | RSA | 2019-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1537 | 1586 | 4.50 | 9 | -0.60 | 40 | -24.00 | |
| | Fourie, Brandon | | | 1462 | RSA | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Lesuthu, Kali M. | | | 1585 | RSA | 0.00 | 1 | -0.50 | 40 | -20.00 | | | Nyathi, Musa | | | 1528 | RSA | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Mathebula, Xolani Cebo | | | 1643 | RSA | 0.00 | 1 | -0.42 | 40 | -16.80 | | | Simpson, Michael | | | 1437 | RSA | 0.50 | 1 | -0.20 | 40 | -8.00 | | | Engelbrecht, Hanri | | wf | 1503 | RSA | 0.50 | 1 | -0.11 | 40 | -4.40 | | | Nkuna, Windsor | | | 1575 | RSA | 0.50 | 1 | -0.02 | 40 | -0.80 | | | Richter, Jan-Michael | | | 1587 | RSA | 0.00 | 1 | -0.50 | 40 | -20.00 | | | Denner, Duan | c | | 1513 | RSA | 1.00 | 1 | 0.40 | 40 | 16.00 | |
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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