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Individual Calculations October 2021 |
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| Thibault, William Total change: 21.40 | |   |
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| 2021 IM John Grefe Marathon | Berkeley, California | USA | 2021-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1513 | 1249 | 2.00 | 5 | 1.07 | 20 | 21.40 | |
|  Trestor, David | | | 1583 | USA | 0.50 | 1 | 0.38 | 20 | 7.60 | |  Morgan, Jerry | | | 1480 | USA | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Asgari, Mohammad | | | 1475 | USA | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Nagel, Ralph | | | 1402 | USA | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Lesquillier, Walter | | | 1625 | USA | 0.50 | 1 | 0.41 | 20 | 8.20 | |
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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