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Individual Calculations July 2023 |
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| Chen, Alan Zishun Total change: 14.00 | |   |
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| 2023 Carolinas Classic - Under 2100 | Charlotte, NC | USA | 2023-06-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1536 | 1575 | 1.50 | 2 | 0.39 | 40 | 15.60 | |
|  Zhang, Oscar Yihang | | | 1451 | USA | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Shangin, Lev | | | 1621 | USA | 0.50 | 1 | 0.06 | 40 | 2.40 | |
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) | | | | 17th annual Philadelphia Open - U2100 | Philadelphia, PA | USA | 2023-06-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1367 | 1575 | 1.50 | 2 | -0.04 | 40 | -1.60 | |
| | Wu, Zhuoyuan (jake) | | | 1404 | USA | 1.00 | 1 | 0.27 | 40 | 10.80 | |  Jani, Aakash | | | 1329 | USA | 0.50 | 1 | -0.31 | 40 | -12.40 | |
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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