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Individual Calculations July 2021 |
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| Shawkat, Saif Total change: 20.20 | |   |
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| 30th Annual Chicago Open - Open | Wheeling, Illinois | USA | 2021-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2125 | 1934 | 1.50 | 7 | -0.31 | 20 | -6.20 | |
|  Turgut, Aydin | f | | 2269 | USA | 0.00 | 1 | -0.12 | 20 | -2.40 | |  Titus, Andrew Lewis | | | 2154 | USA | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Kolay, Alex | | | 2126 | USA | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Zaloznyy, Mike Yuriyovych | | | 2014 | USA | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Quirke, Jeffrey L | | | 2107 | USA | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Xu, Arthur | c | | 2106 | USA | 1.00 | 1 | 0.73 | 20 | 14.60 | | | Singh, Hersh | | | 2096 | USA | 0.00 | 1 | -0.29 | 20 | -5.80 | |
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 |
| 2149 | 1934 | 3.50 | 9 | 1.32 | 20 | 26.40 | |
| | Griffith, Kyron Waykuan | f | | 2334 * | USA | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Grabinsky, Joshua | c | | 2251 | USA | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Taylor, Timothy W | m | | 2220 | USA | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Wen, Tommy | | | 2014 | USA | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Atanasov, Anthony | f | | 2172 | CAN | 1.00 | 1 | 0.80 | 20 | 16.00 | | | Chen, Ryo Wenyu | | | 2181 | USA | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Tian, Eddy | | | 2204 | USA | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Krishnakumar, Sriram | c | | 1981 | USA | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Wang, Alex Yuxuan | | | 1983 | USA | 1.00 | 1 | 0.57 | 20 | 11.40 | | | * 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) | | |
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