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Individual Calculations January 2023 |
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| Perez, Osvaldo Total change: 58.40 | |   |
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| 53rd annual National Chess Congress - U2000 | Philadelphia, PA | USA | 2022-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1620 | 1695 | 5.00 | 6 | 1.46 | 40 | 58.40 | |
|  Liu, Joshua | | | 1423 | USA | 1.00 | 1 | 0.17 | 40 | 6.80 | |  Zhou, Greg | | | 1451 | USA | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Castillo Pena, Patricia Evarista | | wc | 1788 | DOM | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Rojas, Youn Sun | | | 1620 | COL | 0.50 | 1 | -0.10 | 40 | -4.00 | | | Li, Mason Jin | | | 1623 | USA | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Shiman, Andrew Lewis | | | 1813 | USA | 0.50 | 1 | 0.16 | 40 | 6.40 | |
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) | | |
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