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Individual Calculations May 2017 |
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| Woolf, Charne Total change: 54.20 | |   |
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| South African Junior Closed 2017 (u20 Girls) | Benoni | RSA | 2017-04-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1779 | 1379 | 1.00 | 2 | 0.84 | 40 | 33.60 | |
|  February, Jesse Nikki | | wm | 1779 * | RSA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  February, Jesse Nikki | | wm | 1779 * | RSA | 1.00 | 1 | 0.92 | 40 | 36.80 | | | * 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) | | | NOTE: K factor changed | | Steinitz Chess Festival 2017 (Prestige) | Cape Town | RSA | 2017-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1628 | 1379 | 2.00 | 5 | 1.03 | 20 | 20.60 | |
| | Yu, Changrui | | | 1606 | RSA | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Van Niekerk, Megan | | | 1649 | RSA | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Joubert, Dantelle | | wf | 1572 | RSA | 1.00 | 1 | 0.75 | 20 | 15.00 | | | Galleid, Stephen | | | 1657 | RSA | 0.50 | 1 | 0.33 | 20 | 6.60 | | | Samuels, Ethan | | | 1656 | RSA | 0.50 | 1 | 0.33 | 20 | 6.60 | |
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) | | |
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