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Individual Calculations August 2021 |
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| Zhang, Andrew H Total change: 33.20 | |   |
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| 49th Annual World Open - Under 2000 | Philadelphia, Pennsylvania | USA | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1493 | 1606 | 2.50 | 5 | -0.71 | 40 | -28.40 | |
|  Liu, Joshua | | | 1370 | USA | 1.00 | 1 | 0.20 | 40 | 8.00 | |  Hebbar, Eshaan | | | 1453 | USA | 0.00 | 1 | -0.70 | 40 | -28.00 | | | Raman, Sanjeev Raghu | | | 1293 | USA | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Winters, Lance A | | | 1885 | USA | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Liotino, Peter John | | | 1464 | USA | 0.00 | 1 | -0.69 | 40 | -27.60 | |
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) | | | | 2021 US Class Championships - Expert | Houston, Texas | USA | 2021-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1873 | 1606 | 2.50 | 5 | 1.54 | 40 | 61.60 | |
| | Carvajal, Cristian R | | | 2006 * | CHI | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Palang, Warren Jesse | | | 1878 | USA | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Rajaram, Rudransh | | | 1679 | USA | 1.00 | 1 | 0.60 | 40 | 24.00 | | | Panda, Asish | | | 1858 | IND | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Luscomb, David | | | 1942 | USA | 0.00 | 1 | -0.12 | 40 | -4.80 | | | * 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) | | |
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