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Individual Calculations January 2020 |
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| Prohaszka, Peter Total change: -7.50 | |   |
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| 2019 Thanksgiving Open | Saint Louis, Missouri | USA | 2019-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2347 | 2610 | 5.00 | 6 | 0.26 | 10 | 2.60 | |
|  Amburgy, Ryan | | | 2210 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  McConnell, Sullivan | | | 2210 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Lodh, Anish | | | 2210 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Hakobyan, Aram | g | | 2576 | ARM | 0.50 | 1 | -0.05 | 10 | -0.50 | | | Ali Marandi, Cemil Can | g | | 2537 | TUR | 0.50 | 1 | -0.10 | 10 | -1.00 | | | Grabinsky, Aaron | | | 2338 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | | | * 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) | | | | 2019 Saint Louis Chess Club Championship | Saint Louis, Missouri | USA | 2019-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2303 | 2595 | 1.50 | 3 | -1.01 | 10 | -10.10 | |
| | Eckert, Doug | f | | 2195 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Colas, Josh | f | | 2292 | USA | 0.50 | 1 | -0.36 | 10 | -3.60 | | | Escalante, Brian | m | | 2421 | PER | 0.00 | 1 | -0.73 | 10 | -7.30 | | | * 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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