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Individual Calculations April 2023 |
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| Park, Onyoo Total change: 16.80 | |   |
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| 18th IChess Winter Cup SS | seoul | KOR | 2023-01-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1323 | 1373 | 3.00 | 4 | 0.79 | 40 | 31.60 | |
|  Chung, Jiwon | | | 1072 | KOR | 1.00 | 1 | 0.15 | 40 | 6.00 | |  Kim, Donghan | | | 1527 | KOR | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Kim, Sarang | | | 1335 | KOR | 0.50 | 1 | -0.05 | 40 | -2.00 | | | Feigin, Daniel | | | 1356 | KOR | 0.50 | 1 | -0.02 | 40 | -0.80 | |
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) | | | | 2023 Youth Selection U12 | Seongnam | KOR | 2023-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1232 | 1381 | 3.00 | 5 | -0.37 | 40 | -14.80 | |
| | Kim, Minjun D | | | 1169 | KOR | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Song, Mingeun | | | 1252 | KOR | 0.50 | 1 | -0.17 | 40 | -6.80 | | | Lee, Jiwoo A | | | 1580 | KOR | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Kim, Mingeon | | | 1157 | KOR | 0.00 | 1 | -0.78 | 40 | -31.20 | | | Lee, Geunha | | | 1003 | KOR | 1.00 | 1 | 0.09 | 40 | 3.60 | |
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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