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Individual Calculations July 2021 |
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| Putnam, Liam Total change: 77.60 | |   |
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| 30th Annual Chicago Open - Open | Wheeling, Illinois | USA | 2021-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2247 | 2104 | 3.50 | 7 | 1.28 | 40 | 51.20 | |
|  Song, Edward | m | | 2401 | USA | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Vibbert, Sean | f | | 2270 | USA | 0.00 | 1 | -0.28 | 40 | -11.20 | |  Cervantes, Thalia | f | wm | 2288 | USA | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Xie, Bryan | c | | 1998 | USA | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Canty, James | | | 2210 | USA | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Homa, Seth | f | | 2287 | USA | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Yang, Kevin | | | 2275 | USA | 1.00 | 1 | 0.73 | 40 | 29.20 | |
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 Carolinas Classic | Charlotte, North Carolina | USA | 2021-06-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1970 | 2104 | 4.00 | 5 | 0.66 | 40 | 26.40 | |
| | Kumar, Arya | | | 1876 | USA | 0.50 | 1 | -0.29 | 40 | -11.60 | | | Karthik, Advaith | | | 1828 | USA | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Sammons, Evan | | | 1704 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Ruiz Castillo, Joshua | g | | 2502 | COL | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Taylor, Stewart | | | 1939 | USA | 1.00 | 1 | 0.28 | 40 | 11.20 | | | * 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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