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Individual Calculations February 2017 |
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| Kiwilsza, Piotr Total change: -68.00 | |   |
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| IV WIELKOPOLSKA LIGA SENIORÓW GRUPA A-2016-2017 round 4-5 | Poznan | POL | 2017-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1484 | 1689 | 0.00 | 1 | -0.76 | 20 | -15.20 | |
|  Huchwajda, Grzegorz | | | 1484 | POL | 0.00 | 1 | -0.76 | 20 | -15.20 | |
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) | | | | V SZACHOWI GIGANCI TURNIEJ OPEN | Poznan | POL | 2017-01-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1305 | 1689 | 1.00 | 4 | -2.64 | 20 | -52.80 | |
| | Ullrich, Karol | | | 1289 * | POL | 0.00 | 1 | -0.92 | 20 | -18.40 | |  Choremska, Zuzanna | | | 1352 | POL | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Lazniewska, Zofia | | | 1289 * | POL | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Skrzypinski, Jan | | | 1289 * | POL | 0.00 | 1 | -0.92 | 20 | -18.40 | | | * 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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