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Individual Calculations February 2023 |
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| Onley, David E Total change: -6.20 | |   |
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| 32nd annual North American Open | Paradise, Nevada | USA | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2025 | 2031 | 4.00 | 9 | -0.64 | 20 | -12.80 | |
|  Welch, Mason Jeffery | | | 1631 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Levine, Joseph | f | | 2451 | USA | 0.50 | 1 | 0.43 | 20 | 8.60 | | | Tarjan, James Edward | g | | 2360 | USA | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Ward, Noah | | | 1848 | USA | 0.00 | 1 | -0.74 | 20 | -14.80 | | | Shetty, Anshul P | | | 1843 | USA | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Min, Ryan | | | 1871 | USA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Kaufman, Ray | m | | 2174 | CAN | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Tang, Zoey | | wm | 2201 | USA | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Rajmohan, Vikram | | | 1842 | ENG | 0.00 | 1 | -0.75 | 20 | -15.00 | | | * 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) | | | | 2022/23 4NCL Division 4 Rounds 3-4 | Daventry | ENG | 2023-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1749 | 2031 | 2.00 | 2 | 0.33 | 20 | 6.60 | |
| | Evans, Christopher J | | | 1732 | ENG | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Latypova, Olga L | | | 1766 | ENG | 1.00 | 1 | 0.18 | 20 | 3.60 | |
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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