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Individual Calculations May 2019 |
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| Sikwati, Lizo Total change: 7.00 | |   |
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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 |
| 1597 | 1712 | 4.00 | 7 | -0.41 | 20 | -8.20 | |
|  Meise, Keagen | | | 1312 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Masiya, Mfundo | | | 1952 | RSA | 0.00 | 1 | -0.20 | 20 | -4.00 | |  Peter, Neathan | c | | 1396 | RSA | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Jacobs, Kevin T | | | 1900 | RSA | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Van Zyl, Charlize | | wm | 1651 | RSA | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Racaza, Sinovuyo | | | 1486 | RSA | 0.00 | 1 | -0.79 | 20 | -15.80 | | | Kruger, Matthew | | | 1483 | RSA | 1.00 | 1 | 0.21 | 20 | 4.20 | | | * 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) | | | | Capablanca Chess Festival (Round Robin C) | Pretoria | RSA | 2019-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1663 | 1682 | 5.50 | 9 | 0.76 | 20 | 15.20 | |
| | Baloyi, Sipho | | | 1684 | RSA | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Vundla, Mthandazo | | | 1682 | RSA | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Van Der Westhuizen, Donald | | | 1624 | RSA | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Chueu, Calvin | | | 1656 | RSA | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Noreseb, Dudley | | | 1757 | NAM | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Chimbwanda, Panashe | | | 1742 | ZIM | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Prinsloo, Marthinus | | | 1570 | RSA | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Van Zyl, Charlize | | wm | 1651 | RSA | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Dinham, James | | | 1602 | RSA | 1.00 | 1 | 0.39 | 20 | 7.80 | |
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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