|
Individual Calculations October 2021 |
|
|
|
| Yang, Alex Total change: 6.80 | |   |
|
| 2021 Gauteng North Open (Section B) | Pretoria | RSA | 2021-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1168 | 1128 | 1.00 | 2 | 0.11 | 40 | 4.40 | |
|  Boheim, Eugene | | | 1090 | RSA | 1.00 | 1 | 0.45 | 40 | 18.00 | | | Badenhorst, Nicolaas Jacobus | | | 1246 | RSA | 0.00 | 1 | -0.34 | 40 | -13.60 | |
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) | | | | 2021 Etienne Lewis (U14 Open) | Pretoria | RSA | 2021-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1268 | 1128 | 1.00 | 3 | 0.06 | 40 | 2.40 | |
| | Reyneke, Luke | | | 1303 | RSA | 0.50 | 1 | 0.23 | 40 | 9.20 | |  Koning, Lehan | | | 1182 | RSA | 0.50 | 1 | 0.08 | 40 | 3.20 | | | Jacobs, Calvin Nicholas | | | 1320 | RSA | 0.00 | 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) | | |
|
