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Individual Calculations April 2008 |
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| Valden, Petros Total change: 5.55 | |   |
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| Open Indiv. Greek Champ. 2008 - Preliminary Phase | Thessaloniki | GRE | 2007-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2102 | 2181 | 4.50 | 7 | 0.37 | 15 | 5.55 | |
|  Sirpas, Argiris | | | 1831 | GRE | 1.00 | 1 | 0.11 | 15 | 1.65 | |  Mavreas, Dimitrios | | | 1995 | GRE | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Romanos, Theodoros | | | 2047 | GRE | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Zakarian, David | | | 2350 | ARM | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Georgiev, Krum | g | | 2488 | BUL | 0.50 | 1 | 0.36 | 15 | 5.40 | | | Galopoulos, N | | | 2172 | GRE | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Sourgkounis, Angelos | | | 1831 | GRE | 0.50 | 1 | -0.39 | 15 | -5.85 | |
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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