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Individual Calculations January 2022 |
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| Qian, Bobby Total change: 76.00 | |   |
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| 52nd Annual National Chess Congress - Under 2200 | Philadelphia, Pennsylvania | USA | 2021-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1611 | 1348 | 2.50 | 5 | 1.51 | 40 | 60.40 | |
|  Cardenas, Nicholas | | | 1748 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Ayyappan, Santhosh | | | 1444 | USA | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Chen, Ryan Zilu | | | 1588 | USA | 1.00 | 1 | 0.80 | 40 | 32.00 | | | He, Daniel | | | 1748 * | USA | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Chua, Cyril | | | 1529 | SGP | 1.00 | 1 | 0.74 | 40 | 29.60 | | | * 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) | | | | 7th Annual Empire State Open - Open | Albany, New York | USA | 2021-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1721 | 1370 | 0.50 | 1 | 0.39 | 40 | 15.60 | |
| | Bagchi, Sounak | | | 1721 | USA | 0.50 | 1 | 0.39 | 40 | 15.60 | |
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) | | |
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