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Individual Calculations December 2021 |
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| Holliman, Bob Total change: 22.20 | |   |
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| 12th Annual Des Moines Fall Classic Open | Des Moines, Iowa | USA | 2021-11-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1857 | 1924 | 3.50 | 5 | 0.67 | 20 | 13.40 | |
|  Reigenborn, Jonath | | | 1568 | USA | 1.00 | 1 | 0.11 | 20 | 2.20 | |  Cunningham, Charle | | | 1646 | USA | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Mc Entee, Tim R | | | 1975 | USA | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Magness, Trevor S | | | 2136 | USA | 0.50 | 1 | 0.27 | 20 | 5.40 | | | Reynolds, Robert L | | | 1958 | USA | 0.00 | 1 | -0.45 | 20 | -9.00 | |
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) | | | | 2021 North Carolina Open | Charlotte, North Carolina | USA | 2021-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1750 | 1924 | 4.00 | 5 | 0.44 | 20 | 8.80 | |
| | Kumar, Asha | | | 1584 | USA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Hardin, John | | | 1696 | USA | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Lozitskiy, Oleksandr T | | | 1746 | USA | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Chirilov, James Andrei | | | 1757 | USA | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Karthik, Advaith | | | 1965 | USA | 0.50 | 1 | 0.06 | 20 | 1.20 | |
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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