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Individual Calculations February 2023 |
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| Borys, Marek Total change: 20.20 | |   |
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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 |
| 1280 | 1357 | 2.00 | 3 | 0.22 | 20 | 4.40 | |
|  Morczynski, Bartosz | | | 1003 | POL | 1.00 | 1 | 0.11 | 20 | 2.20 | |  Sypula, Krzysztof | | | 1681 | POL | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Czech, Franciszek | | | 1156 | POL | 1.00 | 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) | | | | 269th YMCA Winter 2023-C Round 1-3 | Warszawa | POL | 2023-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1307 | 1357 | 2.50 | 3 | 0.79 | 20 | 15.80 | |
| | Uzieblo, Konrad | | | 1258 | POL | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Kwiek, Janusz | | | 1382 | POL | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Przybylski, Marek | | | 1281 | POL | 0.50 | 1 | -0.10 | 20 | -2.00 | |
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) | | |
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