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Individual Calculations September 2021 |
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| Jankowiak, Piotr Total change: -11.00 | |   |
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| V Miedzynarodowy Memorial Ireny Warakomskiej - Open A | Suwalki | POL | 2021-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2182 | 2039 | 3.50 | 9 | 0.71 | 20 | 14.20 | |
|  Kiolbasa, Oliwia | | wm | 2255 | POL | 0.00 | 1 | -0.22 | 20 | -4.40 | |  Praczukowski, Stanislaw | | | 2156 | POL | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Dzhuguryan, Tygran | | | 2176 | POL | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Wikar, Martyna | | | 2168 | POL | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Juknis, Paulius | | | 2172 | LTU | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Lach, Aleksandra | | wm | 2183 | POL | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Kumala, Aleksander | c | | 2206 | POL | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Kukula, Pawel | | | 2195 | POL | 1.00 | 1 | 0.71 | 20 | 14.20 | | | Valantiejus, Vaidotas | | | 2124 | LTU | 1.00 | 1 | 0.62 | 20 | 12.40 | |
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) | | | | 57th Akiba Rubinstein Chess Festival - OPEN A | Polanica-Zdroj | POL | 2021-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1989 | 2091 | 4.50 | 9 | -1.26 | 20 | -25.20 | |
| | Nasuta, Grzegorz | g | | 2491 * | POL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Bojczewski, Mateusz | | | 1922 | POL | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Paszkowski, Krystian | | | 1811 | POL | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Zalega, Maciej | | | 1859 | POL | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Bartodziej, Bartosz | | | 1843 | POL | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Giacomini, Hector | | | 2104 | FRA | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Starosciak, Szymon | | | 1956 | POL | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Dziewonski, Dariusz | | | 1936 | POL | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Paprocki, Antoni | | | 1982 | POL | 1.00 | 1 | 0.35 | 20 | 7.00 | | | * 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) | | |
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