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Rapid:
Individual Calculations February 2015 |
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| Somyk, Marcin Total change: -14.20 | |   |
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| Grand Prix Polonii Wroclaw - 9.01.2015 | Wroclaw | POL | 2015-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1924 | 1975 | 3.50 | 7 | -0.38 | 20 | -7.60 | |
|  Kosinski, Bartosz | | | 1576 | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Tworzydlo, Piotr | | | 2163 | POL | 0.00 | 1 | -0.26 | 20 | -5.20 | | | White, John | | | 1811 | USA | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Sernecki, Franciszek | | | 1849 | POL | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Kossobudzki, Robert | | | 2108 | POL | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Sawczuk, Czeslaw | | | 1753 | POL | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Kubien, Jerzy | f | | 2206 | POL | 0.00 | 1 | -0.21 | 20 | -4.20 | |
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) | | | | Grand Prix Polonii Wroclaw - 16.01.2015 | Wroclaw | POL | 2015-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2043 | 1975 | 3.50 | 7 | 0.56 | 20 | 11.20 | |
| | Dowgird, Filip | | | 2299 | POL | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Krol, Krzysztof | | | 1748 | POL | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Stecki, Witold | | | 2170 | POL | 1.00 | 1 | 0.75 | 20 | 15.00 | | | Piotrowski, Przemyslaw | | | 2162 | POL | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Kulon, Boguslaw | | | 2103 | POL | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Puszczewicz, Krzysztof | | | 2007 | POL | 0.00 | 1 | -0.46 | 20 | -9.20 | | | White, John | | | 1811 | USA | 1.00 | 1 | 0.28 | 20 | 5.60 | |
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) | | | | Grand Prix Polonii Wroclaw - 23.01.2015 | Wroclaw | POL | 2015-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2001 | 1975 | 2.50 | 7 | -0.89 | 20 | -17.80 | |
| | Weichhold, Pawel | m | | 2375 * | POL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Karnas, Leszek | | | 1771 | POL | 1.00 | 1 | 0.24 | 20 | 4.80 | | | White, John | | | 1811 | USA | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Kotkowski, Adam | | | 1875 | POL | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Szumilas, Piotr | | | 2120 | POL | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Kubien, Jerzy | f | | 2206 | POL | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Sernecki, Franciszek | | | 1849 | POL | 0.00 | 1 | -0.67 | 20 | -13.40 | | | * 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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