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Individual Calculations July 2023 |
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| Kosakowski, Jakub Total change: -10.00 | |   |
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| 32nd annual Chicago Open - Open Section | Wheeling, IL | USA | 2023-05-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2252 | 2485 | 6.00 | 9 | -1.00 | 10 | -10.00 | |
|  Nguyen, James L | | | 2088 | USA | 0.50 | 1 | -0.42 | 10 | -4.20 | |  Quirke, Jeffrey L | | | 2085 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Venkat, Raghav | | | 2188 | USA | 0.50 | 1 | -0.35 | 10 | -3.50 | | | Andersen, Gunnar | | | 2283 | USA | 0.50 | 1 | -0.26 | 10 | -2.60 | | | Rudzinska, Michalina | | wf | 2297 | POL | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Quesada Vera, Liordis | m | | 2322 | CUB | 0.50 | 1 | -0.22 | 10 | -2.20 | | | Schmakel, Sam A | m | | 2420 | USA | 0.50 | 1 | -0.09 | 10 | -0.90 | | | Liu, Eric Chang | c | | 2299 | USA | 0.50 | 1 | -0.24 | 10 | -2.40 | | | Vettese, Nicholas | m | | 2283 | CAN | 1.00 | 1 | 0.24 | 10 | 2.40 | | | * 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) | | |
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