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Individual Calculations January 2022 |
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| Chan, John Total change: 0.20 | |   |
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| Mechanics' Institute Tuesday Night Marathon November-December 2021 - Under 1800 | San Francisco, California | USA | 2021-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1535 | 1553 | 2.00 | 3 | 0.43 | 20 | 8.60 | |
|  Casares Jr, Nick | | | 1425 | USA | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Barreyro, Romeo | | | 1639 | USA | 0.00 | 1 | -0.38 | 20 | -7.60 | |  Agdamag, Samuel | | | 1542 | USA | 1.00 | 1 | 0.48 | 20 | 9.60 | |
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 IM John Donaldson Championship - Under 1600 | San Francisco, California | USA | 2021-12-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1159 | 1553 | 0.50 | 1 | -0.42 | 20 | -8.40 | |
| | Ballantyne, Andrew | | | 1159 | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | |
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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