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Individual Calculations August 2023 |
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| Canzhou, He Total change: 43.20 | |   |
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| 2nd annual World Open Amateur | Philadelphia, PA | USA | 2023-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1680 | 1773 | 2.50 | 5 | -0.47 | 40 | -18.80 | |
|  Nair, Sarvesh | | | 1373 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Carey, Michael P | | | 1860 | USA | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Wu, Eliot S | | | 1503 | USA | 1.00 | 1 | 0.17 | 40 | 6.80 | | | England, Max | | | 1807 | CAN | 0.00 | 1 | -0.45 | 40 | -18.00 | | | Su, Kenneth | | | 1855 | USA | 0.50 | 1 | 0.11 | 40 | 4.40 | | | * 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) | | | | 51st annual World Open - Open | Philadelphia, PA | USA | 2023-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2004 | 1773 | 3.50 | 9 | 1.55 | 40 | 62.00 | |
| | Puckett, Matthew | | | 2120 | USA | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Hiwale, Ronak | | | 1992 | USA | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Karthik, Advaith | | | 2073 | USA | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Wu, William | | | 1991 | USA | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Peatman, Carter Frank | | | 2006 | USA | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Flynn, William Patrick | | | 1916 | USA | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Zeng, Sheena | | wc | 1932 | USA | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Kudryavtsev, Vadim | | | 1934 | RUS | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Kumar, Arya | | wc | 2073 | USA | 1.00 | 1 | 0.85 | 40 | 34.00 | |
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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