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Individual Calculations November 2021 |
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| Thibault, William Total change: -11.20 | |   |
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| Mechanics Institute Tuesday Night Marathon September-October 2021 - Under 1800 | San Francisco, California | USA | 2021-09-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1512 | 1246 | 0.00 | 1 | -0.18 | 20 | -3.60 | |
|  Parsons, Stephen | | | 1512 | USA | 0.00 | 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) | | | | 2021 GM Walter Browne Marathon | Berkeley, California | USA | 2021-09-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1582 | 1246 | 0.00 | 3 | -0.38 | 20 | -7.60 | |
|  Kelly, Sean | | | 1646 * | USA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Lemkin, Ben | | | 1614 | USA | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Morgan, Jerry D | | | 1485 | USA | 0.00 | 1 | -0.20 | 20 | -4.00 | | | * 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) | | |
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