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Individual Calculations May 2019 |
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| Cha, Ethan Junhyeok Total change: 20.80 | |   |
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| 22nd Korea Club League Div2 R3 | Seongnam | KOR | 2019-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1704 | 1304 | 0.50 | 2 | 0.34 | 40 | 13.60 | |
|  Jo, Ukrae | | | 1704 * | KOR | 0.50 | 1 | 0.42 | 40 | 16.80 | |  Lee, Dongseob | | | 1704 * | KOR | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | 10th I-Chess Cup | seoul | KOR | 2019-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1348 | 1304 | 1.50 | 3 | 0.18 | 40 | 7.20 | |
| | Lee, Geo | | | 1143 | KOR | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Lee, Sihu | | | 1484 | KOR | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Lee, Hosan | | | 1417 | KOR | 0.00 | 1 | -0.35 | 40 | -14.00 | |
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) | | |
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