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Individual Calculations January 2024 |
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| Nasution, Erjan Akbar Total change: 0.00 | |   |
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| RKBN International Chess Tournament 2023 - Challenger | Medan | INA | 2023-12-04 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1750 | 0 | 3.00 | 5 | 0.00 | 1770 | | 0.00 | |
|  Williams, Michael | | | 1912 | USA | 1.00 | 1 | 0.00 | | 0.00 | |  Ginting, Osaka Hendra | | | 1669 | INA | 0.50 | 1 | 0.00 | | 0.00 | | | Alidani, Leonardo | | | 1772 | PHI | 0.50 | 1 | 0.00 | | 0.00 | | | Ronen, Martin Tua Sidabutar | | | 1423 | INA | 1.00 | 1 | 0.00 | | 0.00 | | | Hamdan, Yelpi | | | 1972 | INA | 0.00 | 1 | 0.00 | | 0.00 | |
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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