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Individual Calculations August 2022 |
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| Groff, Jordan Total change: 30.60 | |   |
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| 50th Annual World Open - Under 2200 | Philadelphia, Pennsylvania | USA | 2022-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1684 | 1814 | 5.50 | 8 | 0.42 | 40 | 16.80 | |
|  Zelinski, Paul B | | | 1311 | USA | 1.00 | 1 | 0.04 | 40 | 1.60 | |  Luo, Will | | | 1563 | USA | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Batchuluun, Ariunbold | | | 2082 | MGL | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Eisenhauer, Stephen E | | | 1673 | USA | 0.50 | 1 | -0.19 | 40 | -7.60 | | | Ng, Timothy | | | 1715 | USA | 0.50 | 1 | -0.14 | 40 | -5.60 | | | Lin, Bryan Enming | | | 1736 | USA | 1.00 | 1 | 0.39 | 40 | 15.60 | | | Li, Eric | | | 1979 | CAN | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Safranek, William | | | 1414 * | USA | 0.00 | 1 | -0.92 | 40 | -36.80 | | | * 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) | | | NOTE: K factor changed | | 27th annual Bradley Open Major | Windsor Locks, CT | USA | 2022-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1936 | 1814 | 2.50 | 5 | 0.69 | 20 | 13.80 | |
| | Jin, Jerry | | | 1488 | USA | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Colas, Joshua | f | | 2192 | USA | 1.00 | 1 | 0.91 | 20 | 18.20 | | | Webster, Dex | | | 2092 | USA | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Yang, Qindong | | | 2122 | CHN | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Ji, Y Owen | | | 1788 | USA | 0.50 | 1 | -0.04 | 20 | -0.80 | |
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) | | |
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