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Individual Calculations January 2022 |
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| Lemkin, Ben Total change: -22.80 | |   |
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| 2021 Berkeley Chess Club Championship | Berkeley, California | USA | 2021-10-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1607 | 1617 | 2.50 | 6 | -0.57 | 40 | -22.80 | |
|  Shaughnessy, Elizabeth | | | 1430 | IRL | 0.50 | 1 | -0.24 | 40 | -9.60 | |  Nelson, Carl | | | 1462 | USA | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Stowell, Tobias | | | 1383 | USA | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Maser, Thomas F | | | 1760 | USA | 1.00 | 1 | 0.69 | 40 | 27.60 | | | Yanofsky, Kevin | | | 1811 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Shrauger, Alex Hay | | | 1793 | USA | 0.00 | 1 | -0.27 | 40 | -10.80 | |
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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