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Individual Calculations July 2022 |
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| Perrine, Dalton Total change: 6.40 | |   |
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| 31st Annual Chicago Open - Open | Wheeling, Illinois | USA | 2022-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2279 | 2280 | 4.00 | 9 | -0.37 | 20 | -7.40 | |
|  Nanugonda, Vishva | | | 1880 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Ghazarian, Kirk Vagho | f | | 2427 | USA | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Harutyunian, Tigran K | g | | 2550 | ARM | 0.50 | 1 | 0.33 | 20 | 6.60 | | | Song, Edward | m | | 2390 | USA | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Finegold, Benjamin P | g | | 2424 | USA | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Schmakel, Sam A | m | | 2415 | USA | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Espinosa, Pedro | | | 2019 | USA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Marek, Matyas | m | | 2363 | CZE | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Iwu, Okechukwu Anele Nnej | | | 2046 | USA | 0.00 | 1 | -0.79 | 20 | -15.80 | | | * 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) | | | | James Altucher Norm Invitational | Naperville, Illinois | USA | 2022-06-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2255 | 2280 | 5.50 | 9 | 0.69 | 20 | 13.80 | |
| | Zaloznyy, Mike | | | 2149 | USA | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Yesuntumur, Tugstumur | f | | 2363 | MGL | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Canty, James | f | | 2219 | USA | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Arjun, Vishnuvardhan | m | | 2292 | IND | 1.00 | 1 | 0.52 | 20 | 10.40 | | | Lehmann, Spencer George | f | | 2224 | USA | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Kogen, Jonathan | | | 2233 | USA | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Wan, Joseph Cheng-Yue | | | 2116 | USA | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Georgiev, Vladimir | g | | 2444 | MKD | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Martin Del Campo, Roberto | m | | 2255 | MEX | 0.50 | 1 | -0.03 | 20 | -0.60 | |
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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