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Individual Calculations March 2019 |
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| Choi, Gyungsook Total change: -5.20 | |   |
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| 8th Igloo | Seoul | KOR | 2019-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1414 | 1138 | 0.00 | 1 | -0.17 | 20 | -3.40 | |
|  Park, Jaeyoung | | | 1414 | KOR | 0.00 | 1 | -0.17 | 20 | -3.40 | |
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) | | | | 9th I-Chess Cup | seoul | KOR | 2019-02-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1515 | 1138 | 0.00 | 1 | -0.09 | 20 | -1.80 | |
| | Lee, Sihu | | | 1515 | KOR | 0.00 | 1 | -0.09 | 20 | -1.80 | |
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) | | |
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