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Individual Calculations February 2023 |
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| Skonieczny, Marcin Total change: 7.80 | |   |
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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 |
| 1303 | 1122 | 1.00 | 3 | 0.13 | 20 | 2.60 | |
|  Wilczynski, Adam | | | 1499 | POL | 0.50 | 1 | 0.41 | 20 | 8.20 | |  Jaworowski, Andre | | | 1105 | USA | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Zoltkowski, Marcin | | | 1305 | POL | 0.00 | 1 | -0.26 | 20 | -5.20 | |
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) | | | | Ursynowski Festiwal Szachowy - Grupa A 2023 | Warszawa | POL | 2023-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1331 | 1122 | 1.50 | 5 | 0.26 | 20 | 5.20 | |
| | Kowalski, Witold | | | 1485 | POL | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Lesik, Sebastian | | | 1328 | POL | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Krogulski, Maksymilian | | | 1380 | POL | 1.00 | 1 | 0.82 | 20 | 16.40 | | | Tarnowski, Pawel | | | 1319 | POL | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Kosiorek, Dominik | | | 1143 | POL | 0.50 | 1 | 0.03 | 20 | 0.60 | |
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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