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Individual Calculations September 2020 |
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| Racis, Michal Total change: 9.20 | |   |
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| Indywidualne Mistrzostwa Polski Niewidomych i Slabowidzacych Juniorow w szachach | Brok | POL | 2020-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1240 | 1453 | 2.00 | 3 | -0.20 | 40 | -8.00 | |
|  Spionkowski, Fabian | | | 1487 | POL | 0.00 | 1 | -0.45 | 40 | -18.00 | |  Balinska, Amelia | | | 1069 | POL | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Racis, Weronika | | | 1163 | POL | 1.00 | 1 | 0.16 | 40 | 6.40 | |
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) | | | | IV Miedzynarodowy Memorial Ireny Warakomskiej - Open B | Suwalki | POL | 2020-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1482 | 1554 | 5.00 | 8 | 0.43 | 40 | 17.20 | |
| | Zalega, Joanna | | | 1154 * | POL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Wierzbicki, Michal | | | 1849 | POL | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Palejko, Maria | | | 1263 | POL | 0.00 | 1 | -0.85 | 40 | -34.00 | | | Zawal, Krzysztof | | | 1154 * | POL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Borowik, Monika | | | 1348 | POL | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Czech, Mieczyslaw | | | 1863 | POL | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Kaznowska, Weronika | | | 1594 | POL | 1.00 | 1 | 0.56 | 40 | 22.40 | | | Siekanska, Zuzanna | | | 1633 | POL | 1.00 | 1 | 0.61 | 40 | 24.40 | | | * 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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