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Individual Calculations September 2009 |
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| Maly, Petr Total change: 4.70 | |   |
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| Prazsky sachovy festival 2009 | Prague | CZE | 2009-06-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1892 | 1675 | 1.50 | 6 | 0.08 | 25 | 2.00 | |
|  Petrak, Robert | | | 1997 | CZE | 0.50 | 1 | 0.37 | 25 | 9.25 | |  Bednar, Marcel | | | 2025 | CZE | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Cabart, Pavel | | | 1814 | CZE | 0.00 | 1 | -0.31 | 25 | -7.75 | | | Plicka, Petr | | | 1825 | CZE | 0.00 | 1 | -0.30 | 25 | -7.50 | | | Stepanek, Svatopluk | | | 1929 | CZE | 0.00 | 1 | -0.19 | 25 | -4.75 | | | Kral, Ladislav | | | 1764 | CZE | 1.00 | 1 | 0.62 | 25 | 15.50 | |
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) | | | NOTE: K factor changed | | Czech Open 2009 F - OCE Open | Pardubice | CZE | 2009-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1882 | 1675 | 1.00 | 3 | 0.18 | 15 | 2.70 | |
| | Hejl, Jaroslav | | | 2045 | CZE | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Postupa, Martin | | | 1986 | CZE | 0.50 | 1 | 0.36 | 15 | 5.40 | | | Kratochvil, Vit | | | 1614 | CZE | 0.50 | 1 | -0.08 | 15 | -1.20 | |
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) | | |
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