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Individual Calculations August 2017 |
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| Walkowski, Jonasz Total change: -21.60 | |   |
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| IV WIELKOPOLSKA LIGA SENIORÓW GRUPA A-2016-2017 Round 10 | Poznan | POL | 2017-04-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1753 | 1515 | 0.50 | 1 | 0.30 | 40 | 12.00 | |
|  Jarmuzek, Karolina | | | 1753 | POL | 0.50 | 1 | 0.30 | 40 | 12.00 | |
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) | | | | CHESS SUMMER 2017 | Poznan | POL | 2017-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1484 | 1517 | 3.50 | 8 | -0.84 | 40 | -33.60 | |
| | Jedras, Piotr | | | 1917 * | POL | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Korzystka, Wiktor | | | 1238 | POL | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Lisiecki, Robert | | | 1803 | POL | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Roszkiewicz, Zofia | | | 1195 | POL | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Roszkiewicz, Anna | | | 1420 | POL | 0.00 | 1 | -0.63 | 40 | -25.20 | | | Rosenfeld, Noe | | | 1168 | POL | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Ciesielski, Marceli | | | 1482 | POL | 0.50 | 1 | -0.05 | 40 | -2.00 | | | Olszewski, Jerzy | | | 1647 | POL | 0.00 | 1 | -0.32 | 40 | -12.80 | | | * 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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