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Individual Calculations July 2021 |
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| Niemann, Hans Total change: 4.30 | |   |
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| 30th Annual Chicago Open - Open | Wheeling, Illinois | USA | 2021-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2449 | 2546 | 6.00 | 9 | 0.43 | 10 | 4.30 | |
|  Ramer, Scott | | | 2196 | USA | 1.00 | 1 | 0.11 | 10 | 1.10 | |  Wang, Jason | f | | 2312 | USA | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Williams, Justus | f | | 2328 | USA | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Bortnyk, Olexandr | g | | 2598 | UKR | 0.50 | 1 | 0.07 | 10 | 0.70 | | | Shabalov, Alexander | g | | 2528 | USA | 1.00 | 1 | 0.47 | 10 | 4.70 | | | Swiercz, Dariusz | g | | 2649 | USA | 0.50 | 1 | 0.14 | 10 | 1.40 | | | Balakrishnan, Praveen | m | | 2500 | USA | 0.00 | 1 | -0.56 | 10 | -5.60 | | | Repka, Christopher | g | | 2497 | SVK | 0.00 | 1 | -0.57 | 10 | -5.70 | | | Rao, Prasanna Raghuram | m | | 2429 | IND | 1.00 | 1 | 0.34 | 10 | 3.40 | |
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) | | | | 2021 National Open - Championship | Las Vegas, Nevada | USA | 2021-06-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2431 | 2567 | 6.00 | 9 | 0.00 | 10 | 0.00 | |
| | Oberoi, Shelev | | | 2198 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Colas, Joshua | f | | 2315 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Wang, Justin | m | | 2447 | USA | 0.50 | 1 | -0.16 | 10 | -1.60 | | | Ostrovskiy, Aleksandr | m | | 2422 | USA | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Shetty, Atulya Arya | m | | 2461 | USA | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Hakobyan, Aram | g | | 2598 | ARM | 0.50 | 1 | 0.04 | 10 | 0.40 | | | Guo, Arthur | m | | 2359 | USA | 0.00 | 1 | -0.77 | 10 | -7.70 | | | Katz, Alexander | m | | 2398 | USA | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Nyzhnyk, Illia | g | | 2679 | UKR | 0.00 | 1 | -0.35 | 10 | -3.50 | |
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) | | |
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