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Individual Calculations January 2020 |
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| Colas, Josh Total change: 15.60 | |   |
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| 2019 Saint Louis Chess Club Championship | Saint Louis, Missouri | USA | 2019-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2506 | 2292 | 1.50 | 3 | 0.78 | 20 | 15.60 | |
|  Prohaszka, Peter | g | | 2595 | HUN | 0.50 | 1 | 0.36 | 20 | 7.20 | |  Gordievskiy, Dmitry | g | | 2575 | RUS | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Grabinsky, Aaron | | | 2349 | USA | 1.00 | 1 | 0.58 | 20 | 11.60 | |
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) | | |
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