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Individual Calculations November 2021 |
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| Trestor, David J Total change: -4.80 | |   |
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| 2021 GM Walter Browne Marathon | Berkeley, California | USA | 2021-09-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1526 | 1589 | 1.50 | 3 | -0.24 | 20 | -4.80 | |
|  Stowell, Tobias | | | 1383 | USA | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Nelson, Carl | | | 1466 | USA | 1.00 | 1 | 0.33 | 20 | 6.60 | |  Del Rosario, Frisco | | | 1729 | USA | 0.50 | 1 | 0.19 | 20 | 3.80 | |
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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