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Individual Calculations January 2022 |
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| Espinosa, Pedro Total change: 119.20 | |   |
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| Jerry Simon Memorial 2021 | New York, NY | USA | 2021-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1942 | 1879 | 3.00 | 4 | 1.34 | 40 | 53.60 | |
|  He, Daniel | | | 1800 | USA | 1.00 | 1 | 0.39 | 40 | 15.60 | |  Underwood, Toshinori | | | 1946 | USA | 1.00 | 1 | 0.59 | 40 | 23.60 | | | Dans, Dwight Gregorio | | | 2003 | USA | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Miller, Rachel | c | wm | 2019 | JAM | 0.00 | 1 | -0.31 | 40 | -12.40 | |
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) | | | | 105th Edward Lasker Memorial - MCC Championship | New York, NY | USA | 2021-12-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2118 | 1879 | 2.00 | 4 | 1.13 | 40 | 45.20 | |
| | Sarkar, Justin | m | | 2279 * | USA | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Tanenbaum, Zachary | | | 2146 | USA | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Umayan, Vincent | | | 2026 | PHI | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Miller, Rachel | c | wm | 2019 | JAM | 1.00 | 1 | 0.69 | 40 | 27.60 | | | * 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) | | | | 2021 North American Junior Championship - Open Under 20 | Charlotte, North Carolina | USA | 2021-12-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1933 | 1879 | 4.00 | 8 | 0.51 | 40 | 20.40 | |
| | Wang, Jason | f | | 2279 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Iyer, Vedanth | | | 1513 | USA | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Le, Harry | | | 2075 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Hu, Merric | | | 2013 | USA | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Jiang, Mathew | | | 1510 | USA | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Pillai, Adithya | | | 1671 | USA | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Kumar, Naman | | | 2138 | USA | 1.00 | 1 | 0.82 | 40 | 32.80 | | | Oberoi, Shelev | | | 2268 | USA | 0.00 | 1 | -0.09 | 40 | -3.60 | | | * 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) | | |
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