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Individual Calculations November 2023 |
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| Zhang, Joy Total change: -13.60 | |   |
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| 2nd Skyline Open - U2100 Section | Dulles, VA | USA | 2023-10-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1567 | 1477 | 1.50 | 4 | -0.06 | 40 | -2.40 | |
|  Murugan Ayyappan, Adhiraiyan | | | 1650 | USA | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Yang, Jack Nathani | | | 1784 | USA | 0.00 | 1 | -0.14 | 40 | -5.60 | |  Gilbert, Walker Wa | | | 1292 | USA | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Chang, Leonhard | | | 1540 | USA | 1.00 | 1 | 0.59 | 40 | 23.60 | |
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) | | | | 13th annual Washington Chess Congress - U2200 | Reston, VA | USA | 2023-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1537 | 1477 | 1.00 | 3 | -0.28 | 40 | -11.20 | |
| | Stefanello, Michael | | | 1625 | USA | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Yue, Andy | | | 1802 | USA | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Ayyappan, Anushka | | | 1184 | IND | 1.00 | 1 | 0.15 | 40 | 6.00 | |
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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