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Individual Calculations February 2020 |
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| Xiao, Ryan Total change: -6.80 | |   |
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| 2019 South African Junior Team Championships (U16A) | Boksburg | RSA | 2020-01-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1257 | 1286 | 0.00 | 1 | -0.54 | 40 | -21.60 | |
|  Lodi, Neo | | | 1257 | RSA | 0.00 | 1 | -0.54 | 40 | -21.60 | |
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) | | | | 2020 Wild Card Championships (U16 Boys) | Boksburg | RSA | 2020-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1424 | 1286 | 1.00 | 2 | 0.37 | 40 | 14.80 | |
| | Thakersee, Rishay | c | | 1418 | RSA | 0.50 | 1 | 0.18 | 40 | 7.20 | |  Rapholo, Motlatjo | | | 1429 | RSA | 0.50 | 1 | 0.19 | 40 | 7.60 | |
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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