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Individual Calculations May 2019 |
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| February, Jesse Nikki Total change: -32.00 | |   |
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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 |
| 1753 | 1920 | 4.50 | 7 | -0.44 | 20 | -8.80 | |
|  Oosthuizen, Michal Jacobus | | | 1678 | RSA | 1.00 | 1 | 0.20 | 20 | 4.00 | |  Nevin, Tyler | | | 1639 | RSA | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Mhango, Banele | c | | 1816 | RSA | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Masiya, Mfundo | | | 1952 | RSA | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Van Zyl, Charlize | | wm | 1651 | RSA | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Wolmarans, Gregory | | | 1633 | RSA | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Jacobs, Kevin T | | | 1900 | RSA | 0.50 | 1 | -0.03 | 20 | -0.60 | |
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 A) | Pretoria | RSA | 2019-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1991 | 1920 | 2.50 | 9 | -1.16 | 20 | -23.20 | |
| | Zwakala, Ntando | | | 2071 | RSA | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Acho, Christian | | | 1953 | RSA | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Mlahleki, Vusimuzi | | | 2065 | RSA | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Masiya, Mfundo | | | 1944 | RSA | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Mazibuko, Khanya | c | | 1962 | RSA | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Mpya, Tshediso M | | | 1919 | RSA | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Wilken, Justin Barend | | | 1864 | RSA | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Mnguni, Jacob Dumisani | | | 2155 | RSA | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Goosen, Anton | c | | 1989 | RSA | 0.50 | 1 | 0.10 | 20 | 2.00 | |
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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