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Individual Calculations July 2021 |
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| Cordova Daza, Emilio Total change: -9.30 | |   |
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| 30th Annual Chicago Open - Open | Wheeling, Illinois | USA | 2021-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2371 | 2590 | 6.00 | 9 | -0.86 | 10 | -8.60 | |
|  Oberoi, Shelev | | | 2198 | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Mardov, Dimitar | f | | 2318 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Torres, Luis Carlos | m | | 2375 | MEX | 0.50 | 1 | -0.27 | 10 | -2.70 | | | Kevlishvili, Robby | m | | 2495 | NED | 0.00 | 1 | -0.63 | 10 | -6.30 | | | Yang, Kevin | | | 2275 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Song, Edward | m | | 2401 | USA | 0.50 | 1 | -0.25 | 10 | -2.50 | | | Homa, Seth | f | | 2287 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Bortnyk, Olexandr | g | | 2598 | UKR | 0.50 | 1 | 0.01 | 10 | 0.10 | | | Bora, Safal | m | | 2395 | USA | 0.50 | 1 | -0.25 | 10 | -2.50 | |
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 National Open - Championship | Las Vegas, Nevada | USA | 2021-06-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2350 | 2590 | 7.00 | 9 | -0.07 | 10 | -0.70 | |
| | Lin, Andy | | | 2205 | USA | 0.50 | 1 | -0.41 | 10 | -4.10 | | | Kolay, Alex | | | 2190 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Wang, Jason | f | | 2312 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | Javakhadze, Zurabi | m | | 2462 | GEO | 0.50 | 1 | -0.17 | 10 | -1.70 | | | Bachin, Vitaly | m | | 2373 | RUS | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Griffith, Kyron Waykuan | f | | 2351 | USA | 0.50 | 1 | -0.30 | 10 | -3.00 | | | Chandra, Akshat | g | | 2536 | USA | 1.00 | 1 | 0.42 | 10 | 4.20 | | | Stearman, Josiah | m | | 2364 | USA | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Guo, Arthur | m | | 2359 | USA | 0.50 | 1 | -0.29 | 10 | -2.90 | | | * 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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