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Individual Calculations January 2018 |
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| Marek, Grzegorz Total change: 24.80 | |   |
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| IV Dolnoslaska Liga Szachowa 2017/2018 r 4-5 | Dolny Slask | POL | 2017-12-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1531 | 1272 | 1.00 | 2 | 0.64 | 40 | 25.60 | |
|  Kasianczuk, Krzysztof | | | 1552 | POL | 0.00 | 1 | -0.16 | 40 | -6.40 | |  Posluszny, Rafal | | | 1509 | POL | 1.00 | 1 | 0.80 | 40 | 32.00 | |
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) | | | | Olawa Winter Chess Classic 2017 | Olawa | POL | 2017-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1189 | 1272 | 3.00 | 5 | -0.02 | 40 | -0.80 | |
| | Dawgiel, Bartosz | | | 1290 | POL | 1.00 | 1 | 0.53 | 40 | 21.20 | | | Makhmudov, Akbar | | | 1043 | POL | 0.00 | 1 | -0.79 | 40 | -31.60 | | | Lupinski, Marcel | | | 1075 | POL | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Jurkowska, Magdalena | | | 1297 | POL | 0.50 | 1 | 0.03 | 40 | 1.20 | | | Wilgosz, Jan | | | 1242 | POL | 0.50 | 1 | -0.04 | 40 | -1.60 | |
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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