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Rapid:
Individual Calculations January 2024 |
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| Rosen, Eric Total change: -25.20 | |   |
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| 2023 Quintessential Quads - A | St. Louis, Missouri | USA | 2023-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2344 | 2363 | 1.00 | 3 | -0.58 | 20 | -11.60 | |
|  Posthuma, Joshua | m | | 2415 | USA | 0.00 | 1 | -0.43 | 20 | -8.60 | |  Larson, Matthew | m | | 2275 | USA | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Sukandar, Irine | m | wg | 2343 | INA | 0.00 | 1 | -0.53 | 20 | -10.60 | |
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) | | | | 2023 Saint Louis Club Championship | St. Louis, Missouri | USA | 2023-12-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2335 | 2363 | 1.50 | 4 | -0.59 | 20 | -11.80 | |
| | Tkachenko, Erik | | | 2008 | USA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Bruzon Batista, Lazaro | g | | 2600 | USA | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Bok, Benjamin | g | | 2604 | NED | 0.50 | 1 | 0.30 | 20 | 6.00 | | | Proleiko, Julian | | | 2127 | USA | 0.00 | 1 | -0.80 | 20 | -16.00 | |
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) | | | | Saturday Night Special - 1 | St. Louis, Missouri | USA | 2023-12-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2304 | 2363 | 1.00 | 2 | -0.09 | 20 | -1.80 | |
| | Bruzon Batista, Lazaro | g | | 2600 | USA | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Tkachenko, Erik | | | 2008 | USA | 1.00 | 1 | 0.11 | 20 | 2.20 | |
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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