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Individual Calculations August 2022 |
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| Dinham, James Total change: 28.80 | |   |
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| 2022 Blou Bul Open Chess Tournament (A) | Pretoria | RSA | 2022-06-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1627 | 1848 | 5.00 | 5 | 1.30 | 20 | 26.00 | |
|  Jacobs, Tiaan Benjamin | | | 1448 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Richter, Jan-Michael | | | 1603 | RSA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Smit, Devon | | | 1766 | RSA | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Ponelis, Albert A. | | | 1892 | RSA | 1.00 | 1 | 0.56 | 20 | 11.20 | | | Smit, Yoshua | | | 1426 | RSA | 1.00 | 1 | 0.07 | 20 | 1.40 | | | * 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) | | | | 2022 South African Open Chess Championships (Open) | Cape Town | RSA | 2022-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1727 | 1843 | 6.00 | 10 | -0.52 | 20 | -10.40 | |
| | Daniel, Angelo | | | 1561 | RSA | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Jacobs, Cavan | | | 1748 | RSA | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Milford, Eugene | | | 1708 | RSA | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Jacobs, Peter-John | | | 1686 | RSA | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Felix, Ethon | | | 1758 | RSA | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Klaasen, Robyn Julian | | | 1609 | RSA | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Schuller, Ashley | | | 1789 | RSA | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Goredema, Dione | | | 1719 | RSA | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Lawerlot, George Lee-Roy | | | 1812 | RSA | 1.00 | 1 | 0.46 | 20 | 9.20 | | | De Jager, Luan | | | 1875 | RSA | 1.00 | 1 | 0.54 | 20 | 10.80 | |
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) | | | | 8th Piet van Zyl Chess Festival 2022 (A) | Bloemfontein | RSA | 2022-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1737 | 1843 | 2.50 | 3 | 0.66 | 20 | 13.20 | |
| | Njoku, Greatman | | | 1443 * | RSA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Khumalo, Keith | c | | 2113 | RSA | 0.50 | 1 | 0.33 | 20 | 6.60 | | | Springbok, Jason | | | 1654 | RSA | 1.00 | 1 | 0.25 | 20 | 5.00 | | | * 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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