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Individual Calculations December 2019 |
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| Grubiak, Roman Total change: -46.80 | |   |
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| IV Liga 2019/2020 - Wroclaw-Zachod Round 1-3 | Dolny Slask | POL | 2019-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1702 | 1658 | 0.50 | 2 | -0.39 | 20 | -7.80 | |
|  Antoniewicz, Jakub | | | 1807 | POL | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Plichta, Krzysztof | | | 1596 | POL | 0.50 | 1 | -0.09 | 20 | -1.80 | |
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) | | | | XVII MIEDZYNARODOWY INTEGRACYJNY TURNIEJ SZACHOWY W POWIECIE ZYWIECKIM | Milowka | POL | 2019-11-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1413 | 1658 | 5.00 | 9 | -1.95 | 20 | -39.00 | |
|  Kudlacik, Jan | | | 1258 * | POL | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Jagiello, Adolf | | | 1277 | POL | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Zabrzanska, Weronika | | | 1867 | POL | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Gackowski, Marian | | | 1440 | POL | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Jaworowski, Andre | | | 1273 | USA | 0.00 | 1 | -0.91 | 20 | -18.20 | | | Czylok, Wladyslaw | | | 1258 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Barczyk, Tadeusz | | | 1338 | POL | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Kolarz, Maciej | | | 1532 | POL | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Rozkowicz, Czeslaw | | | 1478 | POL | 1.00 | 1 | 0.26 | 20 | 5.20 | | | * 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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