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Individual Calculations May 2012 |
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| Witczak, Jakub Total change: 50.10 | |   |
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| V Turniej szachowy - KARKONOSZE | Karpacz | POL | 2012-02-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1764 | 1621 | 2.50 | 6 | 0.47 | 15 | 7.05 | |
|  Jacek, Krystian | | | 2021 * | POL | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Tomczak, Mikolaj | | | 1836 | POL | 0.00 | 1 | -0.23 | 15 | -3.45 | |  Czerniawski, Krzysztof | | | 1581 | POL | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Krupa, Jerzy | | | 1899 | POL | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Snihur, Adam | | | 1575 | POL | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Kaluzny, Tomasz | | | 1671 | POL | 0.50 | 1 | 0.07 | 15 | 1.05 | | | * 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) | | | | VIII Lubuska Wiosna Szachowa | Gorzow Wlkp. | POL | 2012-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1862 | 1626 | 1.50 | 5 | 0.28 | 15 | 4.20 | |
| | Klim, Kamil | | | 2026 * | POL | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Gigola, Jacek | | | 1917 | POL | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Pyka, Slawomir | | | 1468 | POL | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Grzeskow, Adrian | | | 1871 | POL | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Aliavdin, Nikolai | m | | 2026 * | BLR | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * 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) | | | | Olimpiada Sportow Umyslowych B14 | Solina | POL | 2012-04-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1809 | 1626 | 5.00 | 9 | 2.59 | 15 | 38.85 | |
| | Wisniewski, Michal | | | 1805 | POL | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Maciejewski, Andrzej | | | 1779 | POL | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Snihur, Piotr | | | 1956 | POL | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Januszkiewicz, Wojciech | | | 1761 | POL | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Zarnowski, Krzysztof | | | 1747 | POL | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Smal, Tobiasz | | | 1821 | POL | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Tomczak, Mikolaj | | | 1836 | POL | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Buraczewski, Rafal | | | 1719 | POL | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Lizak, Jakub | | | 1855 | POL | 0.50 | 1 | 0.29 | 15 | 4.35 | |
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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