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Individual Calculations October 2021 |
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| Iwu, Okechukwu Ane Total change: -29.40 | |   |
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| 66th Annual Iowa Open | Iowa City, Iowa | USA | 2021-09-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2058 | 2081 | 3.00 | 5 | 0.27 | 20 | 5.40 | |
|  Hodina, James | | | 1799 | USA | 1.00 | 1 | 0.16 | 20 | 3.20 | |  Mc Entee, Tim R | | | 2020 | USA | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Thangavel, Gokul | | | 1977 | USA | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Takahashi, Michael | | | 2013 | USA | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Gareyev, Timur | g | | 2481 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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) | | | | 2021 Minnesota State Championship Playoffs | Bloomington, Minnesota | USA | 2021-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2130 | 2081 | 0.50 | 5 | -1.74 | 20 | -34.80 | |
| | Johnson, Frank B | | | 2208 | USA | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Nagle, Sean | m | | 2417 | USA | 0.50 | 1 | 0.38 | 20 | 7.60 | | | Jin, Ashton | | | 2071 | USA | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Radermacher, Timothy | | | 1945 | USA | 0.00 | 1 | -0.68 | 20 | -13.60 | | | Cavanah, Troy | | | 2009 | USA | 0.00 | 1 | -0.60 | 20 | -12.00 | |
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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