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Individual Calculations August 2021 |
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| Tyau, Christopher Total change: 39.60 | |   |
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| 14th Annual Philadelphia International - Expert | Philadelphia, Pennsylvania | USA | 2021-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1577 | 1533 | 2.50 | 6 | -0.26 | 40 | -10.40 | |
|  Mucerino, Joseph J | | | 1933 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Franklin, William | | | 1521 | USA | 1.00 | 1 | 0.48 | 40 | 19.20 | | | Chin, Spencer | | | 1716 | USA | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Wang, Lilian | | | 1458 | USA | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Liu, Kelsey | | | 1488 | USA | 0.00 | 1 | -0.56 | 40 | -22.40 | | | Kumar, Sanjay | | | 1345 | USA | 0.50 | 1 | -0.24 | 40 | -9.60 | | | * 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) | | | | 49th Annual World Open - Under 2000 | Philadelphia, Pennsylvania | USA | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1726 | 1521 | 2.00 | 3 | 1.25 | 40 | 50.00 | |
| | Mero, Daniel | | | 1579 | USA | 1.00 | 1 | 0.58 | 40 | 23.20 | | | Bailey, Gregory E | | | 1762 | USA | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Chen, Danni | | | 1837 | USA | 0.00 | 1 | -0.13 | 40 | -5.20 | |
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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