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Individual Calculations February 2023 |
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| Jaroszuk, Marcin Total change: 17.20 | |   |
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| XIII Otwarte Mistrzostwa Garnizonu Warszawa w szachach klasycznych 2023 Round 1-3 | Warszawa | POL | 2023-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1379 | 1482 | 1.00 | 2 | -0.17 | 20 | -3.40 | |
|  Getka, Kamil | | | 1082 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Szyszko, Jan | | | 1676 | POL | 0.00 | 1 | -0.25 | 20 | -5.00 | | | * 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) | | | | 270th YMCA Winter 2023-B Round 1-3 | Warszawa | POL | 2023-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1686 | 1482 | 1.50 | 2 | 1.03 | 20 | 20.60 | |
| | Szukalski, Antoni | | | 1708 | POL | 1.00 | 1 | 0.79 | 20 | 15.80 | | | Pichurko, Jakub | | | 1663 | POL | 0.50 | 1 | 0.24 | 20 | 4.80 | |
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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