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Individual Calculations January 2020 |
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| Grabinsky, Aaron Total change: 13.80 | |   |
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| 2019 Thanksgiving Open | Saint Louis, Missouri | USA | 2019-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2350 | 2338 | 4.00 | 6 | 1.18 | 20 | 23.60 | |
|  Gollapudi, Jonathan | | | 1938 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Ye, Luke | | | 1938 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Bok, Benjamin | g | | 2636 | NED | 1.00 | 1 | 0.85 | 20 | 17.00 | | | Vibbert, Sean | f | | 2320 | USA | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Nyzhnyk, Illia | g | | 2660 | UKR | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Prohaszka, Peter | g | | 2610 | HUN | 0.00 | 1 | -0.17 | 20 | -3.40 | | | * 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 |
| 2238 | 2349 | 2.00 | 4 | -0.49 | 20 | -9.80 | |
| | Ye, Luke | | | 1949 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ali Marandi, Cemil Can | g | | 2537 | TUR | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Eckert, Doug | f | | 2172 | USA | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Colas, Josh | f | | 2292 | USA | 0.00 | 1 | -0.58 | 20 | -11.60 | | | * 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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